| /* GLIB - Library of useful routines for C programming |
| * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the |
| * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| * Boston, MA 02111-1307, USA. |
| */ |
| |
| /* |
| * Modified by the GLib Team and others 1997-2000. See the AUTHORS |
| * file for a list of people on the GLib Team. See the ChangeLog |
| * files for a list of changes. These files are distributed with |
| * GLib at ftp://ftp.gtk.org/pub/gtk/. |
| */ |
| |
| #ifndef __G_LIB_H__ |
| #define __G_LIB_H__ |
| |
| /* Here we provide G_GNUC_EXTENSION as an alias for __extension__, |
| * where this is valid. This allows for warningless compilation of |
| * "long long" types even in the presence of '-ansi -pedantic'. This |
| * of course should be with the other GCC-isms below, but then |
| * glibconfig.h wouldn't load cleanly and it is better to have that |
| * here, than in glibconfig.h. |
| */ |
| #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8) |
| # define G_GNUC_EXTENSION __extension__ |
| #else |
| # define G_GNUC_EXTENSION |
| #endif |
| |
| /* system specific config file glibconfig.h provides definitions for |
| * the extrema of many of the standard types. These are: |
| * |
| * G_MINSHORT, G_MAXSHORT |
| * G_MININT, G_MAXINT |
| * G_MINLONG, G_MAXLONG |
| * G_MINFLOAT, G_MAXFLOAT |
| * G_MINDOUBLE, G_MAXDOUBLE |
| * |
| * It also provides the following typedefs: |
| * |
| * gint8, guint8 |
| * gint16, guint16 |
| * gint32, guint32 |
| * gint64, guint64 |
| * gssize, gsize |
| * |
| * It defines the G_BYTE_ORDER symbol to one of G_*_ENDIAN (see later in |
| * this file). |
| * |
| * And it provides a way to store and retrieve a `gint' in/from a `gpointer'. |
| * This is useful to pass an integer instead of a pointer to a callback. |
| * |
| * GINT_TO_POINTER (i), GUINT_TO_POINTER (i) |
| * GPOINTER_TO_INT (p), GPOINTER_TO_UINT (p) |
| * |
| * Finally, it provides the following wrappers to STDC functions: |
| * |
| * void g_memmove (gpointer dest, gconstpointer void *src, gulong count); |
| * A wrapper for STDC memmove, or an implementation, if memmove doesn't |
| * exist. The prototype looks like the above, give or take a const, |
| * or size_t. |
| */ |
| #include <glibconfig.h> |
| |
| /* Define some mathematical constants that aren't available |
| * symbolically in some strict ISO C implementations. |
| */ |
| #define G_E 2.7182818284590452354E0 |
| #define G_LN2 6.9314718055994530942E-1 |
| #define G_LN10 2.3025850929940456840E0 |
| #define G_PI 3.14159265358979323846E0 |
| #define G_PI_2 1.57079632679489661923E0 |
| #define G_PI_4 0.78539816339744830962E0 |
| #define G_SQRT2 1.4142135623730950488E0 |
| |
| /* include varargs functions for assertment macros |
| */ |
| #include <stdarg.h> |
| |
| /* optionally feature DMALLOC memory allocation debugger |
| */ |
| #ifdef USE_DMALLOC |
| #include "dmalloc.h" |
| #endif |
| |
| |
| #ifdef G_OS_WIN32 |
| |
| /* On native Win32, directory separator is the backslash, and search path |
| * separator is the semicolon. |
| */ |
| #define G_DIR_SEPARATOR '\\' |
| #define G_DIR_SEPARATOR_S "\\" |
| #define G_SEARCHPATH_SEPARATOR ';' |
| #define G_SEARCHPATH_SEPARATOR_S ";" |
| |
| #else /* !G_OS_WIN32 */ |
| |
| /* Unix */ |
| |
| #define G_DIR_SEPARATOR '/' |
| #define G_DIR_SEPARATOR_S "/" |
| #define G_SEARCHPATH_SEPARATOR ':' |
| #define G_SEARCHPATH_SEPARATOR_S ":" |
| |
| #endif /* !G_OS_WIN32 */ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif /* __cplusplus */ |
| |
| |
| /* Provide definitions for some commonly used macros. |
| * Some of them are only provided if they haven't already |
| * been defined. It is assumed that if they are already |
| * defined then the current definition is correct. |
| */ |
| #ifndef NULL |
| # ifdef __cplusplus |
| # define NULL (0L) |
| # else /* !__cplusplus */ |
| # define NULL ((void*) 0) |
| # endif /* !__cplusplus */ |
| #endif |
| |
| #ifndef FALSE |
| #define FALSE (0) |
| #endif |
| |
| #ifndef TRUE |
| #define TRUE (!FALSE) |
| #endif |
| |
| #undef MAX |
| #define MAX(a, b) (((a) > (b)) ? (a) : (b)) |
| |
| #undef MIN |
| #define MIN(a, b) (((a) < (b)) ? (a) : (b)) |
| |
| #undef ABS |
| #define ABS(a) (((a) < 0) ? -(a) : (a)) |
| |
| #undef CLAMP |
| #define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x))) |
| |
| #define G_STRINGIFY(macro_or_string) G_STRINGIFY_ARG (macro_or_string) |
| #define G_STRINGIFY_ARG(contents) #contents |
| |
| /* provide a string identifying the current code position */ |
| #ifdef __GNUC__ |
| # define G_STRLOC __FILE__ ":" G_STRINGIFY (__LINE__) ":" __PRETTY_FUNCTION__ "()" |
| #else |
| # define G_STRLOC __FILE__ ":" G_STRINGIFY (__LINE__) |
| #endif |
| |
| |
| /* Count the number of elements in an array. The array must be defined |
| * as such; using this with a dynamically allocated array will give |
| * incorrect results. |
| */ |
| #define G_N_ELEMENTS(arr) (sizeof (arr) / sizeof ((arr)[0])) |
| |
| /* Define G_VA_COPY() to do the right thing for copying va_list variables. |
| * glibconfig.h may have already defined G_VA_COPY as va_copy or __va_copy. |
| */ |
| #if !defined (G_VA_COPY) |
| # if defined (__GNUC__) && defined (__PPC__) && (defined (_CALL_SYSV) || defined (_WIN32)) |
| # define G_VA_COPY(ap1, ap2) (*(ap1) = *(ap2)) |
| # elif defined (G_VA_COPY_AS_ARRAY) |
| # define G_VA_COPY(ap1, ap2) g_memmove ((ap1), (ap2), sizeof (va_list)) |
| # else /* va_list is a pointer */ |
| # define G_VA_COPY(ap1, ap2) ((ap1) = (ap2)) |
| # endif /* va_list is a pointer */ |
| #endif /* !G_VA_COPY */ |
| |
| |
| /* Provide convenience macros for handling structure |
| * fields through their offsets. |
| */ |
| #define G_STRUCT_OFFSET(struct_type, member) \ |
| ((glong) ((guint8*) &((struct_type*) 0)->member)) |
| #define G_STRUCT_MEMBER_P(struct_p, struct_offset) \ |
| ((gpointer) ((guint8*) (struct_p) + (glong) (struct_offset))) |
| #define G_STRUCT_MEMBER(member_type, struct_p, struct_offset) \ |
| (*(member_type*) G_STRUCT_MEMBER_P ((struct_p), (struct_offset))) |
| |
| |
| /* inlining hassle. for compilers that don't allow the `inline' keyword, |
| * mostly because of strict ANSI C compliance or dumbness, we try to fall |
| * back to either `__inline__' or `__inline'. |
| * we define G_CAN_INLINE, if the compiler seems to be actually |
| * *capable* to do function inlining, in which case inline function bodys |
| * do make sense. we also define G_INLINE_FUNC to properly export the |
| * function prototypes if no inlining can be performed. |
| * inline function bodies have to be special cased with G_CAN_INLINE and a |
| * .c file specific macro to allow one compiled instance with extern linkage |
| * of the functions by defining G_IMPLEMENT_INLINES and the .c file macro. |
| */ |
| #ifdef G_IMPLEMENT_INLINES |
| # define G_INLINE_FUNC extern |
| # undef G_CAN_INLINE |
| #endif |
| #ifndef G_INLINE_FUNC |
| # define G_CAN_INLINE 1 |
| #endif |
| #if defined (G_HAVE_INLINE) && defined (__GNUC__) && defined (__STRICT_ANSI__) |
| # undef inline |
| # define inline __inline__ |
| #elif !defined (G_HAVE_INLINE) |
| # undef inline |
| # if defined (G_HAVE___INLINE__) |
| # define inline __inline__ |
| # elif defined (G_HAVE___INLINE) |
| # define inline __inline |
| # else /* !inline && !__inline__ && !__inline */ |
| # define inline /* don't inline, then */ |
| # ifndef G_INLINE_FUNC |
| # undef G_CAN_INLINE |
| # endif |
| # endif |
| #endif |
| #ifndef G_INLINE_FUNC |
| # if defined (__GNUC__) && (__OPTIMIZE__) |
| # define G_INLINE_FUNC extern inline |
| # elif defined (G_CAN_INLINE) && !defined (__GNUC__) |
| # define G_INLINE_FUNC static inline |
| # else /* can't inline */ |
| # define G_INLINE_FUNC extern |
| # undef G_CAN_INLINE |
| # endif |
| #endif /* !G_INLINE_FUNC */ |
| |
| |
| /* Provide simple macro statement wrappers (adapted from Perl): |
| * G_STMT_START { statements; } G_STMT_END; |
| * can be used as a single statement, as in |
| * if (x) G_STMT_START { ... } G_STMT_END; else ... |
| * |
| * For gcc we will wrap the statements within `({' and `})' braces. |
| * For SunOS they will be wrapped within `if (1)' and `else (void) 0', |
| * and otherwise within `do' and `while (0)'. |
| */ |
| #if !(defined (G_STMT_START) && defined (G_STMT_END)) |
| # if defined (__GNUC__) && !defined (__STRICT_ANSI__) && !defined (__cplusplus) |
| # define G_STMT_START (void)( |
| # define G_STMT_END ) |
| # else |
| # if (defined (sun) || defined (__sun__)) |
| # define G_STMT_START if (1) |
| # define G_STMT_END else (void)0 |
| # else |
| # define G_STMT_START do |
| # define G_STMT_END while (0) |
| # endif |
| # endif |
| #endif |
| |
| |
| /* Provide macros to feature the GCC function attribute. |
| */ |
| #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) |
| #define G_GNUC_PURE \ |
| __attribute__((pure)) |
| #else |
| #define G_GNUC_PURE |
| #endif |
| |
| #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4) |
| #define G_GNUC_PRINTF( format_idx, arg_idx ) \ |
| __attribute__((format (printf, format_idx, arg_idx))) |
| #define G_GNUC_SCANF( format_idx, arg_idx ) \ |
| __attribute__((format (scanf, format_idx, arg_idx))) |
| #define G_GNUC_FORMAT( arg_idx ) \ |
| __attribute__((format_arg (arg_idx))) |
| #define G_GNUC_NORETURN \ |
| __attribute__((noreturn)) |
| #define G_GNUC_CONST \ |
| __attribute__((const)) |
| #define G_GNUC_UNUSED \ |
| __attribute__((unused)) |
| #else /* !__GNUC__ */ |
| #define G_GNUC_PRINTF( format_idx, arg_idx ) |
| #define G_GNUC_SCANF( format_idx, arg_idx ) |
| #define G_GNUC_FORMAT( arg_idx ) |
| #define G_GNUC_NORETURN |
| #define G_GNUC_CONST |
| #define G_GNUC_UNUSED |
| #endif /* !__GNUC__ */ |
| |
| /* Wrap the gcc __PRETTY_FUNCTION__ and __FUNCTION__ variables with |
| * macros, so we can refer to them as strings unconditionally. |
| */ |
| #ifdef __GNUC__ |
| #define G_GNUC_FUNCTION __FUNCTION__ |
| #define G_GNUC_PRETTY_FUNCTION __PRETTY_FUNCTION__ |
| #else /* !__GNUC__ */ |
| #define G_GNUC_FUNCTION "" |
| #define G_GNUC_PRETTY_FUNCTION "" |
| #endif /* !__GNUC__ */ |
| |
| /* we try to provide a usefull equivalent for ATEXIT if it is |
| * not defined, but use is actually abandoned. people should |
| * use g_atexit() instead. |
| */ |
| #ifndef ATEXIT |
| # define ATEXIT(proc) g_ATEXIT(proc) |
| #else |
| # define G_NATIVE_ATEXIT |
| #endif /* ATEXIT */ |
| |
| /* Hacker macro to place breakpoints for elected machines. |
| * Actual use is strongly deprecated of course ;) |
| */ |
| #if defined (__i386__) && defined (__GNUC__) && __GNUC__ >= 2 |
| # define G_BREAKPOINT() G_STMT_START{ __asm__ __volatile__ ("int $03"); }G_STMT_END |
| #elif defined (__alpha__) && defined (__GNUC__) && __GNUC__ >= 2 |
| # define G_BREAKPOINT() G_STMT_START{ __asm__ __volatile__ ("bpt"); }G_STMT_END |
| #else /* !__i386__ && !__alpha__ */ |
| # define G_BREAKPOINT() G_STMT_START{ raise (5 /* SIGTRAP */); }G_STMT_END |
| #endif /* __i386__ */ |
| |
| /* g_alloca handling */ |
| #ifdef GLIB_HAVE_ALLOCA_H |
| #include <alloca.h> |
| #endif |
| |
| #include <string.h> |
| #ifdef __GNUC__ |
| /* glibc already does this for us */ |
| #ifndef alloca |
| # define alloca(size) __builtin_alloca (size) |
| #endif |
| #else |
| # ifdef _MSC_VER |
| # include <malloc.h> |
| # define alloca _alloca |
| # else |
| # ifdef _AIX |
| #pragma alloca |
| # else |
| # ifndef alloca /* predefined by HP cc +Olibcalls */ |
| char *alloca (); |
| # endif |
| # endif |
| # endif |
| #endif |
| |
| #define g_alloca(size) alloca (size) |
| /* End g_alloca handling */ |
| |
| /* Provide macros for easily allocating memory. The macros |
| * will cast the allocated memory to the specified type |
| * in order to avoid compiler warnings. (Makes the code neater). |
| */ |
| |
| #ifdef __DMALLOC_H__ |
| # define g_new(type, count) (ALLOC (type, count)) |
| # define g_new0(type, count) (CALLOC (type, count)) |
| # define g_renew(type, mem, count) (REALLOC (mem, type, count)) |
| #else /* __DMALLOC_H__ */ |
| # define g_new(type, count) \ |
| ((type *) g_malloc ((unsigned) sizeof (type) * (count))) |
| # define g_new0(type, count) \ |
| ((type *) g_malloc0 ((unsigned) sizeof (type) * (count))) |
| # define g_renew(type, mem, count) \ |
| ((type *) g_realloc (mem, (unsigned) sizeof (type) * (count))) |
| #endif /* __DMALLOC_H__ */ |
| |
| #define g_mem_chunk_create(type, pre_alloc, alloc_type) ( \ |
| g_mem_chunk_new (#type " mem chunks (" #pre_alloc ")", \ |
| sizeof (type), \ |
| sizeof (type) * (pre_alloc), \ |
| (alloc_type)) \ |
| ) |
| #define g_chunk_new(type, chunk) ( \ |
| (type *) g_mem_chunk_alloc (chunk) \ |
| ) |
| #define g_chunk_new0(type, chunk) ( \ |
| (type *) g_mem_chunk_alloc0 (chunk) \ |
| ) |
| #define g_chunk_free(mem, mem_chunk) G_STMT_START { \ |
| g_mem_chunk_free ((mem_chunk), (mem)); \ |
| } G_STMT_END |
| |
| |
| /* Provide macros for error handling. The "assert" macros will |
| * exit on failure. The "return" macros will exit the current |
| * function. Two different definitions are given for the macros |
| * if G_DISABLE_ASSERT is not defined, in order to support gcc's |
| * __PRETTY_FUNCTION__ capability. |
| */ |
| |
| #ifdef G_DISABLE_ASSERT |
| |
| #define g_assert(expr) |
| #define g_assert_not_reached() |
| |
| #else /* !G_DISABLE_ASSERT */ |
| |
| #ifdef __GNUC__ |
| |
| #define g_assert(expr) G_STMT_START{ \ |
| if (!(expr)) \ |
| g_log (G_LOG_DOMAIN, \ |
| G_LOG_LEVEL_ERROR, \ |
| "file %s: line %d (%s): assertion failed: (%s)", \ |
| __FILE__, \ |
| __LINE__, \ |
| __PRETTY_FUNCTION__, \ |
| #expr); }G_STMT_END |
| |
| #define g_assert_not_reached() G_STMT_START{ \ |
| g_log (G_LOG_DOMAIN, \ |
| G_LOG_LEVEL_ERROR, \ |
| "file %s: line %d (%s): should not be reached", \ |
| __FILE__, \ |
| __LINE__, \ |
| __PRETTY_FUNCTION__); }G_STMT_END |
| |
| #else /* !__GNUC__ */ |
| |
| #define g_assert(expr) G_STMT_START{ \ |
| if (!(expr)) \ |
| g_log (G_LOG_DOMAIN, \ |
| G_LOG_LEVEL_ERROR, \ |
| "file %s: line %d: assertion failed: (%s)", \ |
| __FILE__, \ |
| __LINE__, \ |
| #expr); }G_STMT_END |
| |
| #define g_assert_not_reached() G_STMT_START{ \ |
| g_log (G_LOG_DOMAIN, \ |
| G_LOG_LEVEL_ERROR, \ |
| "file %s: line %d: should not be reached", \ |
| __FILE__, \ |
| __LINE__); }G_STMT_END |
| |
| #endif /* __GNUC__ */ |
| |
| #endif /* !G_DISABLE_ASSERT */ |
| |
| |
| #ifdef G_DISABLE_CHECKS |
| |
| #define g_return_if_fail(expr) |
| #define g_return_val_if_fail(expr,val) |
| #define g_return_if_reached() return |
| #define g_return_val_if_reached(val) return (val) |
| |
| #else /* !G_DISABLE_CHECKS */ |
| |
| #ifdef __GNUC__ |
| |
| #define g_return_if_fail(expr) G_STMT_START{ \ |
| if (!(expr)) \ |
| { \ |
| g_log (G_LOG_DOMAIN, \ |
| G_LOG_LEVEL_CRITICAL, \ |
| "file %s: line %d (%s): assertion `%s' failed", \ |
| __FILE__, \ |
| __LINE__, \ |
| __PRETTY_FUNCTION__, \ |
| #expr); \ |
| return; \ |
| }; }G_STMT_END |
| |
| #define g_return_val_if_fail(expr,val) G_STMT_START{ \ |
| if (!(expr)) \ |
| { \ |
| g_log (G_LOG_DOMAIN, \ |
| G_LOG_LEVEL_CRITICAL, \ |
| "file %s: line %d (%s): assertion `%s' failed", \ |
| __FILE__, \ |
| __LINE__, \ |
| __PRETTY_FUNCTION__, \ |
| #expr); \ |
| return (val); \ |
| }; }G_STMT_END |
| |
| #define g_return_if_reached() G_STMT_START{ \ |
| g_log (G_LOG_DOMAIN, \ |
| G_LOG_LEVEL_CRITICAL, \ |
| "file %s: line %d (%s): should not be reached", \ |
| __FILE__, \ |
| __LINE__, \ |
| __PRETTY_FUNCTION__); \ |
| return; }G_STMT_END |
| |
| #define g_return_val_if_reached(val) G_STMT_START{ \ |
| g_log (G_LOG_DOMAIN, \ |
| G_LOG_LEVEL_CRITICAL, \ |
| "file %s: line %d (%s): should not be reached", \ |
| __FILE__, \ |
| __LINE__, \ |
| __PRETTY_FUNCTION__); \ |
| return (val); }G_STMT_END |
| |
| #else /* !__GNUC__ */ |
| |
| #define g_return_if_fail(expr) G_STMT_START{ \ |
| if (!(expr)) \ |
| { \ |
| g_log (G_LOG_DOMAIN, \ |
| G_LOG_LEVEL_CRITICAL, \ |
| "file %s: line %d: assertion `%s' failed", \ |
| __FILE__, \ |
| __LINE__, \ |
| #expr); \ |
| return; \ |
| }; }G_STMT_END |
| |
| #define g_return_val_if_fail(expr, val) G_STMT_START{ \ |
| if (!(expr)) \ |
| { \ |
| g_log (G_LOG_DOMAIN, \ |
| G_LOG_LEVEL_CRITICAL, \ |
| "file %s: line %d: assertion `%s' failed", \ |
| __FILE__, \ |
| __LINE__, \ |
| #expr); \ |
| return (val); \ |
| }; }G_STMT_END |
| |
| #define g_return_if_reached() G_STMT_START{ \ |
| g_log (G_LOG_DOMAIN, \ |
| G_LOG_LEVEL_CRITICAL, \ |
| "file %s: line %d: should not be reached", \ |
| __FILE__, \ |
| __LINE__); \ |
| return; }G_STMT_END |
| |
| #define g_return_val_if_reached(val) G_STMT_START{ \ |
| g_log (G_LOG_DOMAIN, \ |
| G_LOG_LEVEL_CRITICAL, \ |
| "file %s: line %d: should not be reached", \ |
| __FILE__, \ |
| __LINE__); \ |
| return (val); }G_STMT_END |
| |
| #endif /* !__GNUC__ */ |
| |
| #endif /* !G_DISABLE_CHECKS */ |
| |
| |
| /* Provide type definitions for commonly used types. |
| * These are useful because a "gint8" can be adjusted |
| * to be 1 byte (8 bits) on all platforms. Similarly and |
| * more importantly, "gint32" can be adjusted to be |
| * 4 bytes (32 bits) on all platforms. |
| */ |
| |
| typedef char gchar; |
| typedef short gshort; |
| typedef long glong; |
| typedef int gint; |
| typedef gint gboolean; |
| typedef gchar* gstring; |
| |
| typedef unsigned char guchar; |
| typedef unsigned short gushort; |
| typedef unsigned long gulong; |
| typedef unsigned int guint; |
| |
| typedef float gfloat; |
| typedef double gdouble; |
| |
| /* HAVE_LONG_DOUBLE doesn't work correctly on all platforms. |
| * Since gldouble isn't used anywhere, just disable it for now */ |
| |
| #if 0 |
| #ifdef HAVE_LONG_DOUBLE |
| typedef long double gldouble; |
| #else /* HAVE_LONG_DOUBLE */ |
| typedef double gldouble; |
| #endif /* HAVE_LONG_DOUBLE */ |
| #endif /* 0 */ |
| |
| typedef void* gpointer; |
| typedef const void *gconstpointer; |
| |
| |
| typedef guint32 GQuark; |
| typedef gint32 GTime; |
| |
| |
| /* Portable endian checks and conversions |
| * |
| * glibconfig.h defines G_BYTE_ORDER which expands to one of |
| * the below macros. |
| */ |
| #define G_LITTLE_ENDIAN 1234 |
| #define G_BIG_ENDIAN 4321 |
| #define G_PDP_ENDIAN 3412 /* unused, need specific PDP check */ |
| |
| |
| /* Basic bit swapping functions |
| */ |
| #define GUINT16_SWAP_LE_BE_CONSTANT(val) ((guint16) ( \ |
| (((guint16) (val) & (guint16) 0x00ffU) << 8) | \ |
| (((guint16) (val) & (guint16) 0xff00U) >> 8))) |
| #define GUINT32_SWAP_LE_BE_CONSTANT(val) ((guint32) ( \ |
| (((guint32) (val) & (guint32) 0x000000ffU) << 24) | \ |
| (((guint32) (val) & (guint32) 0x0000ff00U) << 8) | \ |
| (((guint32) (val) & (guint32) 0x00ff0000U) >> 8) | \ |
| (((guint32) (val) & (guint32) 0xff000000U) >> 24))) |
| |
| /* Intel specific stuff for speed |
| */ |
| #if defined (__i386__) && defined (__GNUC__) && __GNUC__ >= 2 |
| # define GUINT16_SWAP_LE_BE_X86(val) \ |
| (__extension__ \ |
| ({ register guint16 __v; \ |
| if (__builtin_constant_p (val)) \ |
| __v = GUINT16_SWAP_LE_BE_CONSTANT (val); \ |
| else \ |
| __asm__ __const__ ("rorw $8, %w0" \ |
| : "=r" (__v) \ |
| : "0" ((guint16) (val))); \ |
| __v; })) |
| # define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_X86 (val)) |
| # if !defined(__i486__) && !defined(__i586__) \ |
| && !defined(__pentium__) && !defined(__i686__) && !defined(__pentiumpro__) |
| # define GUINT32_SWAP_LE_BE_X86(val) \ |
| (__extension__ \ |
| ({ register guint32 __v; \ |
| if (__builtin_constant_p (val)) \ |
| __v = GUINT32_SWAP_LE_BE_CONSTANT (val); \ |
| else \ |
| __asm__ __const__ ("rorw $8, %w0\n\t" \ |
| "rorl $16, %0\n\t" \ |
| "rorw $8, %w0" \ |
| : "=r" (__v) \ |
| : "0" ((guint32) (val))); \ |
| __v; })) |
| # else /* 486 and higher has bswap */ |
| # define GUINT32_SWAP_LE_BE_X86(val) \ |
| (__extension__ \ |
| ({ register guint32 __v; \ |
| if (__builtin_constant_p (val)) \ |
| __v = GUINT32_SWAP_LE_BE_CONSTANT (val); \ |
| else \ |
| __asm__ __const__ ("bswap %0" \ |
| : "=r" (__v) \ |
| : "0" ((guint32) (val))); \ |
| __v; })) |
| # endif /* processor specific 32-bit stuff */ |
| # define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_X86 (val)) |
| #else /* !__i386__ */ |
| # define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_CONSTANT (val)) |
| # define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_CONSTANT (val)) |
| #endif /* __i386__ */ |
| |
| #ifdef G_HAVE_GINT64 |
| # define GUINT64_SWAP_LE_BE_CONSTANT(val) ((guint64) ( \ |
| (((guint64) (val) & \ |
| (guint64) G_GINT64_CONSTANT(0x00000000000000ffU)) << 56) | \ |
| (((guint64) (val) & \ |
| (guint64) G_GINT64_CONSTANT(0x000000000000ff00U)) << 40) | \ |
| (((guint64) (val) & \ |
| (guint64) G_GINT64_CONSTANT(0x0000000000ff0000U)) << 24) | \ |
| (((guint64) (val) & \ |
| (guint64) G_GINT64_CONSTANT(0x00000000ff000000U)) << 8) | \ |
| (((guint64) (val) & \ |
| (guint64) G_GINT64_CONSTANT(0x000000ff00000000U)) >> 8) | \ |
| (((guint64) (val) & \ |
| (guint64) G_GINT64_CONSTANT(0x0000ff0000000000U)) >> 24) | \ |
| (((guint64) (val) & \ |
| (guint64) G_GINT64_CONSTANT(0x00ff000000000000U)) >> 40) | \ |
| (((guint64) (val) & \ |
| (guint64) G_GINT64_CONSTANT(0xff00000000000000U)) >> 56))) |
| # if defined (__i386__) && defined (__GNUC__) && __GNUC__ >= 2 |
| # define GUINT64_SWAP_LE_BE_X86(val) \ |
| (__extension__ \ |
| ({ union { guint64 __ll; \ |
| guint32 __l[2]; } __r; \ |
| if (__builtin_constant_p (val)) \ |
| __r.__ll = GUINT64_SWAP_LE_BE_CONSTANT (val); \ |
| else \ |
| { \ |
| union { guint64 __ll; \ |
| guint32 __l[2]; } __w; \ |
| __w.__ll = ((guint64) val); \ |
| __r.__l[0] = GUINT32_SWAP_LE_BE (__w.__l[1]); \ |
| __r.__l[1] = GUINT32_SWAP_LE_BE (__w.__l[0]); \ |
| } \ |
| __r.__ll; })) |
| # define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_X86 (val)) |
| # else /* !__i386__ */ |
| # define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT(val)) |
| # endif |
| #endif |
| |
| #define GUINT16_SWAP_LE_PDP(val) ((guint16) (val)) |
| #define GUINT16_SWAP_BE_PDP(val) (GUINT16_SWAP_LE_BE (val)) |
| #define GUINT32_SWAP_LE_PDP(val) ((guint32) ( \ |
| (((guint32) (val) & (guint32) 0x0000ffffU) << 16) | \ |
| (((guint32) (val) & (guint32) 0xffff0000U) >> 16))) |
| #define GUINT32_SWAP_BE_PDP(val) ((guint32) ( \ |
| (((guint32) (val) & (guint32) 0x00ff00ffU) << 8) | \ |
| (((guint32) (val) & (guint32) 0xff00ff00U) >> 8))) |
| |
| /* The G*_TO_?E() macros are defined in glibconfig.h. |
| * The transformation is symmetric, so the FROM just maps to the TO. |
| */ |
| #define GINT16_FROM_LE(val) (GINT16_TO_LE (val)) |
| #define GUINT16_FROM_LE(val) (GUINT16_TO_LE (val)) |
| #define GINT16_FROM_BE(val) (GINT16_TO_BE (val)) |
| #define GUINT16_FROM_BE(val) (GUINT16_TO_BE (val)) |
| #define GINT32_FROM_LE(val) (GINT32_TO_LE (val)) |
| #define GUINT32_FROM_LE(val) (GUINT32_TO_LE (val)) |
| #define GINT32_FROM_BE(val) (GINT32_TO_BE (val)) |
| #define GUINT32_FROM_BE(val) (GUINT32_TO_BE (val)) |
| |
| #ifdef G_HAVE_GINT64 |
| #define GINT64_FROM_LE(val) (GINT64_TO_LE (val)) |
| #define GUINT64_FROM_LE(val) (GUINT64_TO_LE (val)) |
| #define GINT64_FROM_BE(val) (GINT64_TO_BE (val)) |
| #define GUINT64_FROM_BE(val) (GUINT64_TO_BE (val)) |
| #endif |
| |
| #define GLONG_FROM_LE(val) (GLONG_TO_LE (val)) |
| #define GULONG_FROM_LE(val) (GULONG_TO_LE (val)) |
| #define GLONG_FROM_BE(val) (GLONG_TO_BE (val)) |
| #define GULONG_FROM_BE(val) (GULONG_TO_BE (val)) |
| |
| #define GINT_FROM_LE(val) (GINT_TO_LE (val)) |
| #define GUINT_FROM_LE(val) (GUINT_TO_LE (val)) |
| #define GINT_FROM_BE(val) (GINT_TO_BE (val)) |
| #define GUINT_FROM_BE(val) (GUINT_TO_BE (val)) |
| |
| |
| /* Portable versions of host-network order stuff |
| */ |
| #define g_ntohl(val) (GUINT32_FROM_BE (val)) |
| #define g_ntohs(val) (GUINT16_FROM_BE (val)) |
| #define g_htonl(val) (GUINT32_TO_BE (val)) |
| #define g_htons(val) (GUINT16_TO_BE (val)) |
| |
| |
| /* Glib version. |
| * we prefix variable declarations so they can |
| * properly get exported in windows dlls. |
| */ |
| #ifdef G_OS_WIN32 |
| # ifdef GLIB_COMPILATION |
| # define GLIB_VAR __declspec(dllexport) |
| # else /* !GLIB_COMPILATION */ |
| # define GLIB_VAR extern __declspec(dllimport) |
| # endif /* !GLIB_COMPILATION */ |
| #else /* !G_OS_WIN32 */ |
| # define GLIB_VAR extern |
| #endif /* !G_OS_WIN32 */ |
| |
| GLIB_VAR const guint glib_major_version; |
| GLIB_VAR const guint glib_minor_version; |
| GLIB_VAR const guint glib_micro_version; |
| GLIB_VAR const guint glib_interface_age; |
| GLIB_VAR const guint glib_binary_age; |
| |
| #define GLIB_CHECK_VERSION(major,minor,micro) \ |
| (GLIB_MAJOR_VERSION > (major) || \ |
| (GLIB_MAJOR_VERSION == (major) && GLIB_MINOR_VERSION > (minor)) || \ |
| (GLIB_MAJOR_VERSION == (major) && GLIB_MINOR_VERSION == (minor) && \ |
| GLIB_MICRO_VERSION >= (micro))) |
| |
| /* Forward declarations of glib types. |
| */ |
| typedef struct _GAllocator GAllocator; |
| typedef struct _GArray GArray; |
| typedef struct _GByteArray GByteArray; |
| typedef struct _GCache GCache; |
| typedef struct _GCompletion GCompletion; |
| typedef struct _GData GData; |
| typedef struct _GDebugKey GDebugKey; |
| typedef union _GDoubleIEEE754 GDoubleIEEE754; |
| typedef union _GFloatIEEE754 GFloatIEEE754; |
| typedef struct _GHashTable GHashTable; |
| typedef struct _GHook GHook; |
| typedef struct _GHookList GHookList; |
| typedef struct _GList GList; |
| typedef struct _GMemChunk GMemChunk; |
| typedef struct _GNode GNode; |
| typedef struct _GPtrArray GPtrArray; |
| typedef struct _GQueue GQueue; |
| typedef struct _GRand GRand; |
| typedef struct _GRelation GRelation; |
| typedef struct _GScanner GScanner; |
| typedef struct _GScannerConfig GScannerConfig; |
| typedef struct _GSList GSList; |
| typedef struct _GString GString; |
| typedef struct _GStringChunk GStringChunk; |
| typedef struct _GTimer GTimer; |
| typedef struct _GTrashStack GTrashStack; |
| typedef struct _GTree GTree; |
| typedef struct _GTuples GTuples; |
| typedef union _GTokenValue GTokenValue; |
| typedef struct _GIOChannel GIOChannel; |
| |
| /* Tree traverse flags */ |
| typedef enum |
| { |
| G_TRAVERSE_LEAFS = 1 << 0, |
| G_TRAVERSE_NON_LEAFS = 1 << 1, |
| G_TRAVERSE_ALL = G_TRAVERSE_LEAFS | G_TRAVERSE_NON_LEAFS, |
| G_TRAVERSE_MASK = 0x03 |
| } GTraverseFlags; |
| |
| /* Tree traverse orders */ |
| typedef enum |
| { |
| G_IN_ORDER, |
| G_PRE_ORDER, |
| G_POST_ORDER, |
| G_LEVEL_ORDER |
| } GTraverseType; |
| |
| /* Log level shift offset for user defined |
| * log levels (0-7 are used by GLib). |
| */ |
| #define G_LOG_LEVEL_USER_SHIFT (8) |
| |
| /* Glib log levels and flags. |
| */ |
| typedef enum |
| { |
| /* log flags */ |
| G_LOG_FLAG_RECURSION = 1 << 0, |
| G_LOG_FLAG_FATAL = 1 << 1, |
| |
| /* GLib log levels */ |
| G_LOG_LEVEL_ERROR = 1 << 2, /* always fatal */ |
| G_LOG_LEVEL_CRITICAL = 1 << 3, |
| G_LOG_LEVEL_WARNING = 1 << 4, |
| G_LOG_LEVEL_MESSAGE = 1 << 5, |
| G_LOG_LEVEL_INFO = 1 << 6, |
| G_LOG_LEVEL_DEBUG = 1 << 7, |
| |
| G_LOG_LEVEL_MASK = ~(G_LOG_FLAG_RECURSION | G_LOG_FLAG_FATAL) |
| } GLogLevelFlags; |
| |
| /* GLib log levels that are considered fatal by default */ |
| #define G_LOG_FATAL_MASK (G_LOG_FLAG_RECURSION | G_LOG_LEVEL_ERROR) |
| |
| |
| typedef gpointer (*GCacheNewFunc) (gpointer key); |
| typedef gpointer (*GCacheDupFunc) (gpointer value); |
| typedef void (*GCacheDestroyFunc) (gpointer value); |
| typedef gint (*GCompareFunc) (gconstpointer a, |
| gconstpointer b); |
| typedef gchar* (*GCompletionFunc) (gpointer); |
| typedef void (*GDestroyNotify) (gpointer data); |
| typedef void (*GDataForeachFunc) (GQuark key_id, |
| gpointer data, |
| gpointer user_data); |
| typedef void (*GFunc) (gpointer data, |
| gpointer user_data); |
| typedef guint (*GHashFunc) (gconstpointer key); |
| typedef void (*GFreeFunc) (gpointer data); |
| typedef void (*GHFunc) (gpointer key, |
| gpointer value, |
| gpointer user_data); |
| typedef gboolean (*GHRFunc) (gpointer key, |
| gpointer value, |
| gpointer user_data); |
| typedef gint (*GHookCompareFunc) (GHook *new_hook, |
| GHook *sibling); |
| typedef gboolean (*GHookFindFunc) (GHook *hook, |
| gpointer data); |
| typedef void (*GHookMarshaller) (GHook *hook, |
| gpointer data); |
| typedef gboolean (*GHookCheckMarshaller) (GHook *hook, |
| gpointer data); |
| typedef void (*GHookFunc) (gpointer data); |
| typedef gboolean (*GHookCheckFunc) (gpointer data); |
| typedef void (*GHookFreeFunc) (GHookList *hook_list, |
| GHook *hook); |
| typedef void (*GLogFunc) (const gchar *log_domain, |
| GLogLevelFlags log_level, |
| const gchar *message, |
| gpointer user_data); |
| typedef gboolean (*GNodeTraverseFunc) (GNode *node, |
| gpointer data); |
| typedef void (*GNodeForeachFunc) (GNode *node, |
| gpointer data); |
| typedef void (*GScannerMsgFunc) (GScanner *scanner, |
| gchar *message, |
| gint error); |
| typedef gint (*GTraverseFunc) (gpointer key, |
| gpointer value, |
| gpointer data); |
| typedef void (*GVoidFunc) (void); |
| |
| |
| struct _GArray |
| { |
| gchar *data; |
| guint len; |
| }; |
| |
| struct _GByteArray |
| { |
| guint8 *data; |
| guint len; |
| }; |
| |
| struct _GDebugKey |
| { |
| gchar *key; |
| guint value; |
| }; |
| |
| struct _GList |
| { |
| gpointer data; |
| GList *next; |
| GList *prev; |
| }; |
| |
| struct _GPtrArray |
| { |
| gpointer *pdata; |
| guint len; |
| }; |
| |
| struct _GQueue |
| { |
| GList *head; |
| GList *tail; |
| guint length; |
| }; |
| |
| struct _GSList |
| { |
| gpointer data; |
| GSList *next; |
| }; |
| |
| struct _GString |
| { |
| gchar *str; |
| gint len; |
| }; |
| |
| struct _GTrashStack |
| { |
| GTrashStack *next; |
| }; |
| |
| struct _GTuples |
| { |
| guint len; |
| }; |
| |
| #ifdef __cplusplus |
| } |
| #endif /* __cplusplus */ |
| |
| #include <gerror.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif /* __cplusplus */ |
| |
| /* IEEE Standard 754 Single Precision Storage Format (gfloat): |
| * |
| * 31 30 23 22 0 |
| * +--------+---------------+---------------+ |
| * | s 1bit | e[30:23] 8bit | f[22:0] 23bit | |
| * +--------+---------------+---------------+ |
| * B0------------------->B1------->B2-->B3--> |
| * |
| * IEEE Standard 754 Double Precision Storage Format (gdouble): |
| * |
| * 63 62 52 51 32 31 0 |
| * +--------+----------------+----------------+ +---------------+ |
| * | s 1bit | e[62:52] 11bit | f[51:32] 20bit | | f[31:0] 32bit | |
| * +--------+----------------+----------------+ +---------------+ |
| * B0--------------->B1---------->B2--->B3----> B4->B5->B6->B7-> |
| */ |
| /* subtract from biased_exponent to form base2 exponent (normal numbers) */ |
| #define G_IEEE754_FLOAT_BIAS (127) |
| #define G_IEEE754_DOUBLE_BIAS (1023) |
| /* multiply with base2 exponent to get base10 exponent (nomal numbers) */ |
| #define G_LOG_2_BASE_10 (0.30102999566398119521) |
| #if G_BYTE_ORDER == G_LITTLE_ENDIAN |
| union _GFloatIEEE754 |
| { |
| gfloat v_float; |
| struct { |
| guint mantissa : 23; |
| guint biased_exponent : 8; |
| guint sign : 1; |
| } mpn; |
| }; |
| union _GDoubleIEEE754 |
| { |
| gdouble v_double; |
| struct { |
| guint mantissa_low : 32; |
| guint mantissa_high : 20; |
| guint biased_exponent : 11; |
| guint sign : 1; |
| } mpn; |
| }; |
| #elif G_BYTE_ORDER == G_BIG_ENDIAN |
| union _GFloatIEEE754 |
| { |
| gfloat v_float; |
| struct { |
| guint sign : 1; |
| guint biased_exponent : 8; |
| guint mantissa : 23; |
| } mpn; |
| }; |
| union _GDoubleIEEE754 |
| { |
| gdouble v_double; |
| struct { |
| guint sign : 1; |
| guint biased_exponent : 11; |
| guint mantissa_high : 20; |
| guint mantissa_low : 32; |
| } mpn; |
| }; |
| #else /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */ |
| #error unknown ENDIAN type |
| #endif /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */ |
| |
| |
| /* Doubly linked lists |
| */ |
| void g_list_push_allocator (GAllocator *allocator); |
| void g_list_pop_allocator (void); |
| GList* g_list_alloc (void); |
| void g_list_free (GList *list); |
| void g_list_free_1 (GList *list); |
| GList* g_list_append (GList *list, |
| gpointer data); |
| GList* g_list_prepend (GList *list, |
| gpointer data); |
| GList* g_list_insert (GList *list, |
| gpointer data, |
| gint position); |
| GList* g_list_insert_sorted (GList *list, |
| gpointer data, |
| GCompareFunc func); |
| GList* g_list_concat (GList *list1, |
| GList *list2); |
| GList* g_list_remove (GList *list, |
| gconstpointer data); |
| GList* g_list_remove_link (GList *list, |
| GList *llink); |
| GList* g_list_delete_link (GList *list, |
| GList *link); |
| GList* g_list_reverse (GList *list); |
| GList* g_list_copy (GList *list); |
| GList* g_list_nth (GList *list, |
| guint n); |
| GList* g_list_find (GList *list, |
| gconstpointer data); |
| GList* g_list_find_custom (GList *list, |
| gconstpointer data, |
| GCompareFunc func); |
| gint g_list_position (GList *list, |
| GList *llink); |
| gint g_list_index (GList *list, |
| gconstpointer data); |
| GList* g_list_last (GList *list); |
| GList* g_list_first (GList *list); |
| guint g_list_length (GList *list); |
| void g_list_foreach (GList *list, |
| GFunc func, |
| gpointer user_data); |
| GList* g_list_sort (GList *list, |
| GCompareFunc compare_func); |
| gpointer g_list_nth_data (GList *list, |
| guint n); |
| #define g_list_previous(list) ((list) ? (((GList *)(list))->prev) : NULL) |
| #define g_list_next(list) ((list) ? (((GList *)(list))->next) : NULL) |
| |
| |
| /* Singly linked lists |
| */ |
| void g_slist_push_allocator (GAllocator *allocator); |
| void g_slist_pop_allocator (void); |
| GSList* g_slist_alloc (void); |
| void g_slist_free (GSList *list); |
| void g_slist_free_1 (GSList *list); |
| GSList* g_slist_append (GSList *list, |
| gpointer data); |
| GSList* g_slist_prepend (GSList *list, |
| gpointer data); |
| GSList* g_slist_insert (GSList *list, |
| gpointer data, |
| gint position); |
| GSList* g_slist_insert_sorted (GSList *list, |
| gpointer data, |
| GCompareFunc func); |
| GSList* g_slist_insert_before (GSList *slist, |
| GSList *sibling, |
| gpointer data); |
| GSList* g_slist_concat (GSList *list1, |
| GSList *list2); |
| GSList* g_slist_remove (GSList *list, |
| gconstpointer data); |
| GSList* g_slist_remove_link (GSList *list, |
| GSList *link); |
| GSList* g_slist_delete_link (GSList *list, |
| GSList *link); |
| GSList* g_slist_reverse (GSList *list); |
| GSList* g_slist_copy (GSList *list); |
| GSList* g_slist_nth (GSList *list, |
| guint n); |
| GSList* g_slist_find (GSList *list, |
| gconstpointer data); |
| GSList* g_slist_find_custom (GSList *list, |
| gconstpointer data, |
| GCompareFunc func); |
| gint g_slist_position (GSList *list, |
| GSList *llink); |
| gint g_slist_index (GSList *list, |
| gconstpointer data); |
| GSList* g_slist_last (GSList *list); |
| guint g_slist_length (GSList *list); |
| void g_slist_foreach (GSList *list, |
| GFunc func, |
| gpointer user_data); |
| GSList* g_slist_sort (GSList *list, |
| GCompareFunc compare_func); |
| gpointer g_slist_nth_data (GSList *list, |
| guint n); |
| #define g_slist_next(slist) ((slist) ? (((GSList *)(slist))->next) : NULL) |
| |
| |
| /* Queues |
| */ |
| GQueue* g_queue_new (void); |
| void g_queue_free (GQueue *queue); |
| void g_queue_push_head (GQueue *queue, |
| gpointer data); |
| void g_queue_push_tail (GQueue *queue, |
| gpointer data); |
| gpointer g_queue_pop_head (GQueue *queue); |
| gpointer g_queue_pop_tail (GQueue *queue); |
| gboolean g_queue_is_empty (GQueue *queue); |
| gpointer g_queue_peek_head (GQueue *queue); |
| gpointer g_queue_peek_tail (GQueue *queue); |
| void g_queue_push_head_link (GQueue *queue, |
| GList *link); |
| void g_queue_push_tail_link (GQueue *queue, |
| GList *link); |
| GList* g_queue_pop_head_link (GQueue *queue); |
| GList* g_queue_pop_tail_link (GQueue *queue); |
| |
| /* Hash tables |
| */ |
| GHashTable* g_hash_table_new (GHashFunc hash_func, |
| GCompareFunc key_compare_func); |
| void g_hash_table_destroy (GHashTable *hash_table); |
| void g_hash_table_insert (GHashTable *hash_table, |
| gpointer key, |
| gpointer value); |
| void g_hash_table_remove (GHashTable *hash_table, |
| gconstpointer key); |
| gpointer g_hash_table_lookup (GHashTable *hash_table, |
| gconstpointer key); |
| gboolean g_hash_table_lookup_extended(GHashTable *hash_table, |
| gconstpointer lookup_key, |
| gpointer *orig_key, |
| gpointer *value); |
| void g_hash_table_foreach (GHashTable *hash_table, |
| GHFunc func, |
| gpointer user_data); |
| guint g_hash_table_foreach_remove (GHashTable *hash_table, |
| GHRFunc func, |
| gpointer user_data); |
| guint g_hash_table_size (GHashTable *hash_table); |
| |
| /* The following two functions are deprecated and will be removed in |
| * the next major release. They do no good. */ |
| void g_hash_table_freeze (GHashTable *hash_table); |
| void g_hash_table_thaw (GHashTable *hash_table); |
| |
| /* Caches |
| */ |
| GCache* g_cache_new (GCacheNewFunc value_new_func, |
| GCacheDestroyFunc value_destroy_func, |
| GCacheDupFunc key_dup_func, |
| GCacheDestroyFunc key_destroy_func, |
| GHashFunc hash_key_func, |
| GHashFunc hash_value_func, |
| GCompareFunc key_compare_func); |
| void g_cache_destroy (GCache *cache); |
| gpointer g_cache_insert (GCache *cache, |
| gpointer key); |
| void g_cache_remove (GCache *cache, |
| gconstpointer value); |
| void g_cache_key_foreach (GCache *cache, |
| GHFunc func, |
| gpointer user_data); |
| void g_cache_value_foreach (GCache *cache, |
| GHFunc func, |
| gpointer user_data); |
| |
| |
| /* Balanced binary trees |
| */ |
| GTree* g_tree_new (GCompareFunc key_compare_func); |
| void g_tree_destroy (GTree *tree); |
| void g_tree_insert (GTree *tree, |
| gpointer key, |
| gpointer value); |
| void g_tree_remove (GTree *tree, |
| gconstpointer key); |
| gpointer g_tree_lookup (GTree *tree, |
| gconstpointer key); |
| void g_tree_traverse (GTree *tree, |
| GTraverseFunc traverse_func, |
| GTraverseType traverse_type, |
| gpointer data); |
| gpointer g_tree_search (GTree *tree, |
| GCompareFunc search_func, |
| gconstpointer data); |
| gint g_tree_height (GTree *tree); |
| gint g_tree_nnodes (GTree *tree); |
| |
| |
| |
| /* N-way tree implementation |
| */ |
| struct _GNode |
| { |
| gpointer data; |
| GNode *next; |
| GNode *prev; |
| GNode *parent; |
| GNode *children; |
| }; |
| |
| #define G_NODE_IS_ROOT(node) (((GNode*) (node))->parent == NULL && \ |
| ((GNode*) (node))->prev == NULL && \ |
| ((GNode*) (node))->next == NULL) |
| #define G_NODE_IS_LEAF(node) (((GNode*) (node))->children == NULL) |
| |
| void g_node_push_allocator (GAllocator *allocator); |
| void g_node_pop_allocator (void); |
| GNode* g_node_new (gpointer data); |
| void g_node_destroy (GNode *root); |
| void g_node_unlink (GNode *node); |
| GNode* g_node_copy (GNode *node); |
| GNode* g_node_insert (GNode *parent, |
| gint position, |
| GNode *node); |
| GNode* g_node_insert_before (GNode *parent, |
| GNode *sibling, |
| GNode *node); |
| GNode* g_node_prepend (GNode *parent, |
| GNode *node); |
| guint g_node_n_nodes (GNode *root, |
| GTraverseFlags flags); |
| GNode* g_node_get_root (GNode *node); |
| gboolean g_node_is_ancestor (GNode *node, |
| GNode *descendant); |
| guint g_node_depth (GNode *node); |
| GNode* g_node_find (GNode *root, |
| GTraverseType order, |
| GTraverseFlags flags, |
| gpointer data); |
| |
| /* convenience macros */ |
| #define g_node_append(parent, node) \ |
| g_node_insert_before ((parent), NULL, (node)) |
| #define g_node_insert_data(parent, position, data) \ |
| g_node_insert ((parent), (position), g_node_new (data)) |
| #define g_node_insert_data_before(parent, sibling, data) \ |
| g_node_insert_before ((parent), (sibling), g_node_new (data)) |
| #define g_node_prepend_data(parent, data) \ |
| g_node_prepend ((parent), g_node_new (data)) |
| #define g_node_append_data(parent, data) \ |
| g_node_insert_before ((parent), NULL, g_node_new (data)) |
| |
| /* traversal function, assumes that `node' is root |
| * (only traverses `node' and its subtree). |
| * this function is just a high level interface to |
| * low level traversal functions, optimized for speed. |
| */ |
| void g_node_traverse (GNode *root, |
| GTraverseType order, |
| GTraverseFlags flags, |
| gint max_depth, |
| GNodeTraverseFunc func, |
| gpointer data); |
| |
| /* return the maximum tree height starting with `node', this is an expensive |
| * operation, since we need to visit all nodes. this could be shortened by |
| * adding `guint height' to struct _GNode, but then again, this is not very |
| * often needed, and would make g_node_insert() more time consuming. |
| */ |
| guint g_node_max_height (GNode *root); |
| |
| void g_node_children_foreach (GNode *node, |
| GTraverseFlags flags, |
| GNodeForeachFunc func, |
| gpointer data); |
| void g_node_reverse_children (GNode *node); |
| guint g_node_n_children (GNode *node); |
| GNode* g_node_nth_child (GNode *node, |
| guint n); |
| GNode* g_node_last_child (GNode *node); |
| GNode* g_node_find_child (GNode *node, |
| GTraverseFlags flags, |
| gpointer data); |
| gint g_node_child_position (GNode *node, |
| GNode *child); |
| gint g_node_child_index (GNode *node, |
| gpointer data); |
| |
| GNode* g_node_first_sibling (GNode *node); |
| GNode* g_node_last_sibling (GNode *node); |
| |
| #define g_node_prev_sibling(node) ((node) ? \ |
| ((GNode*) (node))->prev : NULL) |
| #define g_node_next_sibling(node) ((node) ? \ |
| ((GNode*) (node))->next : NULL) |
| #define g_node_first_child(node) ((node) ? \ |
| ((GNode*) (node))->children : NULL) |
| |
| |
| /* Callback maintenance functions |
| */ |
| #define G_HOOK_FLAG_USER_SHIFT (4) |
| typedef enum |
| { |
| G_HOOK_FLAG_ACTIVE = 1 << 0, |
| G_HOOK_FLAG_IN_CALL = 1 << 1, |
| G_HOOK_FLAG_MASK = 0x0f |
| } GHookFlagMask; |
| |
| #define G_HOOK_DEFERRED_DESTROY ((GHookFreeFunc) 0x01) |
| |
| struct _GHookList |
| { |
| guint seq_id; |
| guint hook_size; |
| guint is_setup : 1; |
| GHook *hooks; |
| GMemChunk *hook_memchunk; |
| GHookFreeFunc hook_free; /* virtual function */ |
| GHookFreeFunc hook_destroy; /* virtual function */ |
| }; |
| |
| struct _GHook |
| { |
| gpointer data; |
| GHook *next; |
| GHook *prev; |
| guint ref_count; |
| guint hook_id; |
| guint flags; |
| gpointer func; |
| GDestroyNotify destroy; |
| }; |
| |
| #define G_HOOK_ACTIVE(hook) ((((GHook*) hook)->flags & \ |
| G_HOOK_FLAG_ACTIVE) != 0) |
| #define G_HOOK_IN_CALL(hook) ((((GHook*) hook)->flags & \ |
| G_HOOK_FLAG_IN_CALL) != 0) |
| #define G_HOOK_IS_VALID(hook) (((GHook*) hook)->hook_id != 0 && \ |
| G_HOOK_ACTIVE (hook)) |
| #define G_HOOK_IS_UNLINKED(hook) (((GHook*) hook)->next == NULL && \ |
| ((GHook*) hook)->prev == NULL && \ |
| ((GHook*) hook)->hook_id == 0 && \ |
| ((GHook*) hook)->ref_count == 0) |
| |
| void g_hook_list_init (GHookList *hook_list, |
| guint hook_size); |
| void g_hook_list_clear (GHookList *hook_list); |
| GHook* g_hook_alloc (GHookList *hook_list); |
| void g_hook_free (GHookList *hook_list, |
| GHook *hook); |
| void g_hook_ref (GHookList *hook_list, |
| GHook *hook); |
| void g_hook_unref (GHookList *hook_list, |
| GHook *hook); |
| gboolean g_hook_destroy (GHookList *hook_list, |
| guint hook_id); |
| void g_hook_destroy_link (GHookList *hook_list, |
| GHook *hook); |
| void g_hook_prepend (GHookList *hook_list, |
| GHook *hook); |
| void g_hook_insert_before (GHookList *hook_list, |
| GHook *sibling, |
| GHook *hook); |
| void g_hook_insert_sorted (GHookList *hook_list, |
| GHook *hook, |
| GHookCompareFunc func); |
| GHook* g_hook_get (GHookList *hook_list, |
| guint hook_id); |
| GHook* g_hook_find (GHookList *hook_list, |
| gboolean need_valids, |
| GHookFindFunc func, |
| gpointer data); |
| GHook* g_hook_find_data (GHookList *hook_list, |
| gboolean need_valids, |
| gpointer data); |
| GHook* g_hook_find_func (GHookList *hook_list, |
| gboolean need_valids, |
| gpointer func); |
| GHook* g_hook_find_func_data (GHookList *hook_list, |
| gboolean need_valids, |
| gpointer func, |
| gpointer data); |
| /* return the first valid hook, and increment its reference count */ |
| GHook* g_hook_first_valid (GHookList *hook_list, |
| gboolean may_be_in_call); |
| /* return the next valid hook with incremented reference count, and |
| * decrement the reference count of the original hook |
| */ |
| GHook* g_hook_next_valid (GHookList *hook_list, |
| GHook *hook, |
| gboolean may_be_in_call); |
| |
| /* GHookCompareFunc implementation to insert hooks sorted by their id */ |
| gint g_hook_compare_ids (GHook *new_hook, |
| GHook *sibling); |
| |
| /* convenience macros */ |
| #define g_hook_append( hook_list, hook ) \ |
| g_hook_insert_before ((hook_list), NULL, (hook)) |
| |
| /* invoke all valid hooks with the (*GHookFunc) signature. |
| */ |
| void g_hook_list_invoke (GHookList *hook_list, |
| gboolean may_recurse); |
| /* invoke all valid hooks with the (*GHookCheckFunc) signature, |
| * and destroy the hook if FALSE is returned. |
| */ |
| void g_hook_list_invoke_check (GHookList *hook_list, |
| gboolean may_recurse); |
| /* invoke a marshaller on all valid hooks. |
| */ |
| void g_hook_list_marshal (GHookList *hook_list, |
| gboolean may_recurse, |
| GHookMarshaller marshaller, |
| gpointer data); |
| void g_hook_list_marshal_check (GHookList *hook_list, |
| gboolean may_recurse, |
| GHookCheckMarshaller marshaller, |
| gpointer data); |
| |
| |
| /* Fatal error handlers. |
| * g_on_error_query() will prompt the user to either |
| * [E]xit, [H]alt, [P]roceed or show [S]tack trace. |
| * g_on_error_stack_trace() invokes gdb, which attaches to the current |
| * process and shows a stack trace. |
| * These function may cause different actions on non-unix platforms. |
| * The prg_name arg is required by gdb to find the executable, if it is |
| * passed as NULL, g_on_error_query() will try g_get_prgname(). |
| */ |
| void g_on_error_query (const gchar *prg_name); |
| void g_on_error_stack_trace (const gchar *prg_name); |
| |
| |
| /* Logging mechanism |
| */ |
| extern const gchar *g_log_domain_glib; |
| guint g_log_set_handler (const gchar *log_domain, |
| GLogLevelFlags log_levels, |
| GLogFunc log_func, |
| gpointer user_data); |
| void g_log_remove_handler (const gchar *log_domain, |
| guint handler_id); |
| void g_log_default_handler (const gchar *log_domain, |
| GLogLevelFlags log_level, |
| const gchar *message, |
| gpointer unused_data); |
| void g_log (const gchar *log_domain, |
| GLogLevelFlags log_level, |
| const gchar *format, |
| ...) G_GNUC_PRINTF (3, 4); |
| void g_logv (const gchar *log_domain, |
| GLogLevelFlags log_level, |
| const gchar *format, |
| va_list args); |
| GLogLevelFlags g_log_set_fatal_mask (const gchar *log_domain, |
| GLogLevelFlags fatal_mask); |
| GLogLevelFlags g_log_set_always_fatal (GLogLevelFlags fatal_mask); |
| #ifndef G_LOG_DOMAIN |
| #define G_LOG_DOMAIN ((gchar*) 0) |
| #endif /* G_LOG_DOMAIN */ |
| #if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L |
| #define g_error(...) g_log (G_LOG_DOMAIN, \ |
| G_LOG_LEVEL_ERROR, \ |
| __VA_ARGS__) |
| #define g_message(...) g_log (G_LOG_DOMAIN, \ |
| G_LOG_LEVEL_MESSAGE, \ |
| __VA_ARGS__) |
| #define g_critical(...) g_log (G_LOG_DOMAIN, \ |
| G_LOG_LEVEL_CRITICAL, \ |
| __VA_ARGS__) |
| #define g_warning(...) g_log (G_LOG_DOMAIN, \ |
| G_LOG_LEVEL_WARNING, \ |
| __VA_ARGS__) |
| #elif __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4) |
| #define g_error(format...) g_log (G_LOG_DOMAIN, \ |
| G_LOG_LEVEL_ERROR, \ |
| format) |
| #define g_message(format...) g_log (G_LOG_DOMAIN, \ |
| G_LOG_LEVEL_MESSAGE, \ |
| format) |
| #define g_critical(format...) g_log (G_LOG_DOMAIN, \ |
| G_LOG_LEVEL_CRITICAL, \ |
| format) |
| #define g_warning(format...) g_log (G_LOG_DOMAIN, \ |
| G_LOG_LEVEL_WARNING, \ |
| format) |
| #else /* !__GNUC__ */ |
| static void |
| g_error (const gchar *format, |
| ...) |
| { |
| va_list args; |
| va_start (args, format); |
| g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_ERROR, format, args); |
| va_end (args); |
| } |
| static void |
| g_message (const gchar *format, |
| ...) |
| { |
| va_list args; |
| va_start (args, format); |
| g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_MESSAGE, format, args); |
| va_end (args); |
| } |
| static void |
| g_critical (const gchar *format, |
| ...) |
| { |
| va_list args; |
| va_start (args, format); |
| g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL, format, args); |
| va_end (args); |
| } |
| static void |
| g_warning (const gchar *format, |
| ...) |
| { |
| va_list args; |
| va_start (args, format); |
| g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING, format, args); |
| va_end (args); |
| } |
| #endif /* !__GNUC__ */ |
| |
| typedef void (*GPrintFunc) (const gchar *string); |
| void g_print (const gchar *format, |
| ...) G_GNUC_PRINTF (1, 2); |
| GPrintFunc g_set_print_handler (GPrintFunc func); |
| void g_printerr (const gchar *format, |
| ...) G_GNUC_PRINTF (1, 2); |
| GPrintFunc g_set_printerr_handler (GPrintFunc func); |
| |
| /* deprecated compatibility functions, use g_log_set_handler() instead */ |
| typedef void (*GErrorFunc) (const gchar *str); |
| typedef void (*GWarningFunc) (const gchar *str); |
| GErrorFunc g_set_error_handler (GErrorFunc func); |
| GWarningFunc g_set_warning_handler (GWarningFunc func); |
| GPrintFunc g_set_message_handler (GPrintFunc func); |
| |
| |
| /* Memory allocation and debugging |
| */ |
| #ifdef USE_DMALLOC |
| |
| #define g_malloc(size) ((gpointer) MALLOC (size)) |
| #define g_malloc0(size) ((gpointer) CALLOC (char, size)) |
| #define g_realloc(mem,size) ((gpointer) REALLOC (mem, char, size)) |
| #define g_free(mem) FREE (mem) |
| |
| #else /* !USE_DMALLOC */ |
| |
| gpointer g_malloc (gulong size); |
| gpointer g_malloc0 (gulong size); |
| gpointer g_realloc (gpointer mem, |
| gulong size); |
| void g_free (gpointer mem); |
| |
| #endif /* !USE_DMALLOC */ |
| |
| void g_mem_profile (void); |
| void g_mem_check (gpointer mem); |
| |
| /* Generic allocators |
| */ |
| GAllocator* g_allocator_new (const gchar *name, |
| guint n_preallocs); |
| void g_allocator_free (GAllocator *allocator); |
| |
| #define G_ALLOCATOR_LIST (1) |
| #define G_ALLOCATOR_SLIST (2) |
| #define G_ALLOCATOR_NODE (3) |
| |
| |
| /* "g_mem_chunk_new" creates a new memory chunk. |
| * Memory chunks are used to allocate pieces of memory which are |
| * always the same size. Lists are a good example of such a data type. |
| * The memory chunk allocates and frees blocks of memory as needed. |
| * Just be sure to call "g_mem_chunk_free" and not "g_free" on data |
| * allocated in a mem chunk. ("g_free" will most likely cause a seg |
| * fault...somewhere). |
| * |
| * Oh yeah, GMemChunk is an opaque data type. (You don't really |
| * want to know what's going on inside do you?) |
| */ |
| |
| /* ALLOC_ONLY MemChunk's can only allocate memory. The free operation |
| * is interpreted as a no op. ALLOC_ONLY MemChunk's save 4 bytes per |
| * atom. (They are also useful for lists which use MemChunk to allocate |
| * memory but are also part of the MemChunk implementation). |
| * ALLOC_AND_FREE MemChunk's can allocate and free memory. |
| */ |
| |
| #define G_ALLOC_ONLY 1 |
| #define G_ALLOC_AND_FREE 2 |
| |
| GMemChunk* g_mem_chunk_new (gchar *name, |
| gint atom_size, |
| gulong area_size, |
| gint type); |
| void g_mem_chunk_destroy (GMemChunk *mem_chunk); |
| gpointer g_mem_chunk_alloc (GMemChunk *mem_chunk); |
| gpointer g_mem_chunk_alloc0 (GMemChunk *mem_chunk); |
| void g_mem_chunk_free (GMemChunk *mem_chunk, |
| gpointer mem); |
| void g_mem_chunk_clean (GMemChunk *mem_chunk); |
| void g_mem_chunk_reset (GMemChunk *mem_chunk); |
| void g_mem_chunk_print (GMemChunk *mem_chunk); |
| void g_mem_chunk_info (void); |
| |
| /* Ah yes...we have a "g_blow_chunks" function. |
| * "g_blow_chunks" simply compresses all the chunks. This operation |
| * consists of freeing every memory area that should be freed (but |
| * which we haven't gotten around to doing yet). And, no, |
| * "g_blow_chunks" doesn't follow the naming scheme, but it is a |
| * much better name than "g_mem_chunk_clean_all" or something |
| * similar. |
| */ |
| void g_blow_chunks (void); |
| |
| |
| /* Timer |
| */ |
| |
| /* microseconds per second */ |
| #define G_USEC_PER_SEC 1000000 |
| |
| GTimer* g_timer_new (void); |
| void g_timer_destroy (GTimer *timer); |
| void g_timer_start (GTimer *timer); |
| void g_timer_stop (GTimer *timer); |
| void g_timer_reset (GTimer *timer); |
| gdouble g_timer_elapsed (GTimer *timer, |
| gulong *microseconds); |
| void g_usleep (gulong microseconds); |
| |
| /* String utility functions that modify a string argument or |
| * return a constant string that must not be freed. |
| */ |
| #define G_STR_DELIMITERS "_-|> <." |
| gchar* g_strdelimit (gchar *string, |
| const gchar *delimiters, |
| gchar new_delimiter); |
| gchar* g_strcanon (gchar *string, |
| const gchar *valid_chars, |
| gchar subsitutor); |
| gdouble g_strtod (const gchar *nptr, |
| gchar **endptr); |
| gchar* g_strerror (gint errnum) G_GNUC_CONST; |
| gchar* g_strsignal (gint signum) G_GNUC_CONST; |
| gint g_strcasecmp (const gchar *s1, |
| const gchar *s2); |
| gint g_strncasecmp (const gchar *s1, |
| const gchar *s2, |
| guint n); |
| gchar* g_strdown (gchar *string); |
| gchar* g_strup (gchar *string); |
| gchar* g_strreverse (gchar *string); |
| gsize g_strlcpy (gchar *dest, |
| const gchar *src, |
| gsize dest_size); |
| gsize g_strlcat (gchar *dest, |
| const gchar *src, |
| gsize dest_size); |
| /* removes leading spaces */ |
| gchar* g_strchug (gchar *string); |
| /* removes trailing spaces */ |
| gchar* g_strchomp (gchar *string); |
| /* removes leading & trailing spaces */ |
| #define g_strstrip( string ) g_strchomp (g_strchug (string)) |
| |
| /* String utility functions that return a newly allocated string which |
| * ought to be freed with g_free from the caller at some point. |
| */ |
| gchar* g_strdup (const gchar *str); |
| gchar* g_strdup_printf (const gchar *format, |
| ...) G_GNUC_PRINTF (1, 2); |
| gchar* g_strdup_vprintf (const gchar *format, |
| va_list args); |
| gchar* g_strndup (const gchar *str, |
| guint n); |
| gchar* g_strnfill (guint length, |
| gchar fill_char); |
| gchar* g_strconcat (const gchar *string1, |
| ...); /* NULL terminated */ |
| gchar* g_strjoin (const gchar *separator, |
| ...); /* NULL terminated */ |
| /* Make a copy of a string interpreting C string -style escape |
| * sequences. Inverse of g_strescape. The recognized sequences are \b |
| * \f \n \r \t \\ \" and the octal format. |
| */ |
| gchar* g_strcompress (const gchar *source); |
| |
| /* Convert between the operating system (or C runtime) |
| * representation of file names and UTF-8. |
| */ |
| gchar* g_filename_to_utf8 (const gchar *opsysstring); |
| gchar* g_filename_from_utf8 (const gchar *utf8string); |
| |
| /* Copy a string escaping nonprintable characters like in C strings. |
| * Inverse of g_strcompress. The exceptions parameter, if non-NULL, points |
| * to a string containing characters that are not to be escaped. |
| * |
| * Deprecated API: gchar* g_strescape (const gchar *source); |
| * Luckily this function wasn't used much, using NULL as second parameter |
| * provides mostly identical semantics. |
| */ |
| gchar* g_strescape (const gchar *source, |
| const gchar *exceptions); |
| |
| gpointer g_memdup (gconstpointer mem, |
| guint byte_size); |
| |
| /* NULL terminated string arrays. |
| * g_strsplit() splits up string into max_tokens tokens at delim and |
| * returns a newly allocated string array. |
| * g_strjoinv() concatenates all of str_array's strings, sliding in an |
| * optional separator, the returned string is newly allocated. |
| * g_strfreev() frees the array itself and all of its strings. |
| */ |
| gchar** g_strsplit (const gchar *string, |
| const gchar *delimiter, |
| gint max_tokens); |
| gchar* g_strjoinv (const gchar *separator, |
| gchar **str_array); |
| void g_strfreev (gchar **str_array); |
| |
| |
| |
| /* calculate a string size, guarranteed to fit format + args. |
| */ |
| guint g_printf_string_upper_bound (const gchar* format, |
| va_list args); |
| |
| |
| /* Retrive static string info |
| */ |
| gchar* g_get_user_name (void); |
| gchar* g_get_real_name (void); |
| gchar* g_get_home_dir (void); |
| gchar* g_get_tmp_dir (void); |
| gchar* g_get_prgname (void); |
| void g_set_prgname (const gchar *prgname); |
| |
| |
| /* Miscellaneous utility functions |
| */ |
| guint g_parse_debug_string (const gchar *string, |
| GDebugKey *keys, |
| guint nkeys); |
| gint g_snprintf (gchar *string, |
| gulong n, |
| gchar const *format, |
| ...) G_GNUC_PRINTF (3, 4); |
| gint g_vsnprintf (gchar *string, |
| gulong n, |
| gchar const *format, |
| va_list args); |
| /* Check if a file name is an absolute path */ |
| gboolean g_path_is_absolute (const gchar *file_name); |
| /* In case of absolute paths, skip the root part */ |
| gchar* g_path_skip_root (gchar *file_name); |
| |
| /* These two functions are deprecated and will be removed in the next |
| * major release of GLib. Use g_path_get_dirname/g_path_get_basename |
| * instead. Whatch out! The string returned by g_path_get_basename |
| * must be g_freed, while the string returned by g_basename must not.*/ |
| gchar* g_basename (const gchar *file_name); |
| gchar* g_dirname (const gchar *file_name); |
| |
| /* The returned strings are newly allocated with g_malloc() */ |
| gchar* g_get_current_dir (void); |
| gchar* g_path_get_basename (const gchar *file_name); |
| gchar* g_path_get_dirname (const gchar *file_name); |
| |
| /* Get the codeset for the current locale */ |
| /* gchar * g_get_codeset (void); */ |
| |
| /* return the environment string for the variable. The returned memory |
| * must not be freed. */ |
| gchar* g_getenv (const gchar *variable); |
| |
| /* we use a GLib function as a replacement for ATEXIT, so |
| * the programmer is not required to check the return value |
| * (if there is any in the implementation) and doesn't encounter |
| * missing include files. |
| */ |
| void g_atexit (GVoidFunc func); |
| |
| |
| /* Bit tests |
| */ |
| G_INLINE_FUNC gint g_bit_nth_lsf (guint32 mask, |
| gint nth_bit); |
| G_INLINE_FUNC gint g_bit_nth_msf (guint32 mask, |
| gint nth_bit); |
| G_INLINE_FUNC guint g_bit_storage (guint number); |
| |
| |
| /* Trash Stacks |
| * elements need to be >= sizeof (gpointer) |
| */ |
| G_INLINE_FUNC void g_trash_stack_push (GTrashStack **stack_p, |
| gpointer data_p); |
| G_INLINE_FUNC gpointer g_trash_stack_pop (GTrashStack **stack_p); |
| G_INLINE_FUNC gpointer g_trash_stack_peek (GTrashStack **stack_p); |
| G_INLINE_FUNC guint g_trash_stack_height (GTrashStack **stack_p); |
| |
| |
| /* inline function implementations |
| */ |
| #if defined (G_CAN_INLINE) || defined (__G_UTILS_C__) |
| G_INLINE_FUNC gint |
| g_bit_nth_lsf (guint32 mask, |
| gint nth_bit) |
| { |
| do |
| { |
| nth_bit++; |
| if (mask & (1 << (guint) nth_bit)) |
| return nth_bit; |
| } |
| while (nth_bit < 32); |
| return -1; |
| } |
| G_INLINE_FUNC gint |
| g_bit_nth_msf (guint32 mask, |
| gint nth_bit) |
| { |
| if (nth_bit < 0) |
| nth_bit = 32; |
| do |
| { |
| nth_bit--; |
| if (mask & (1 << (guint) nth_bit)) |
| return nth_bit; |
| } |
| while (nth_bit > 0); |
| return -1; |
| } |
| G_INLINE_FUNC guint |
| g_bit_storage (guint number) |
| { |
| register guint n_bits = 0; |
| |
| do |
| { |
| n_bits++; |
| number >>= 1; |
| } |
| while (number); |
| return n_bits; |
| } |
| G_INLINE_FUNC void |
| g_trash_stack_push (GTrashStack **stack_p, |
| gpointer data_p) |
| { |
| GTrashStack *data = (GTrashStack *) data_p; |
| |
| data->next = *stack_p; |
| *stack_p = data; |
| } |
| G_INLINE_FUNC gpointer |
| g_trash_stack_pop (GTrashStack **stack_p) |
| { |
| GTrashStack *data; |
| |
| data = *stack_p; |
| if (data) |
| { |
| *stack_p = data->next; |
| /* NULLify private pointer here, most platforms store NULL as |
| * subsequent 0 bytes |
| */ |
| data->next = NULL; |
| } |
| |
| return data; |
| } |
| G_INLINE_FUNC gpointer |
| g_trash_stack_peek (GTrashStack **stack_p) |
| { |
| GTrashStack *data; |
| |
| data = *stack_p; |
| |
| return data; |
| } |
| G_INLINE_FUNC guint |
| g_trash_stack_height (GTrashStack **stack_p) |
| { |
| GTrashStack *data; |
| guint i = 0; |
| |
| for (data = *stack_p; data; data = data->next) |
| i++; |
| |
| return i; |
| } |
| #endif /* G_CAN_INLINE || __G_UTILS_C__ */ |
| |
| |
| /* String Chunks |
| */ |
| GStringChunk* g_string_chunk_new (gint size); |
| void g_string_chunk_free (GStringChunk *chunk); |
| gchar* g_string_chunk_insert (GStringChunk *chunk, |
| const gchar *string); |
| gchar* g_string_chunk_insert_const (GStringChunk *chunk, |
| const gchar *string); |
| |
| |
| /* Strings |
| */ |
| GString* g_string_new (const gchar *init); |
| GString* g_string_sized_new (guint dfl_size); |
| gchar* g_string_free (GString *string, |
| gboolean free_segment); |
| gboolean g_string_equal (const GString *v, |
| const GString *v2); |
| guint g_string_hash (const GString *str); |
| GString* g_string_assign (GString *string, |
| const gchar *rval); |
| GString* g_string_truncate (GString *string, |
| guint len); |
| GString* g_string_insert_len (GString *string, |
| gint pos, |
| const gchar *val, |
| gint len); |
| GString* g_string_append (GString *string, |
| const gchar *val); |
| GString* g_string_append_len (GString *string, |
| const gchar *val, |
| gint len); |
| GString* g_string_append_c (GString *string, |
| gchar c); |
| GString* g_string_prepend (GString *string, |
| const gchar *val); |
| GString* g_string_prepend_c (GString *string, |
| gchar c); |
| GString* g_string_prepend_len (GString *string, |
| const gchar *val, |
| gint len); |
| GString* g_string_insert (GString *string, |
| gint pos, |
| const gchar *val); |
| GString* g_string_insert_c (GString *string, |
| gint pos, |
| gchar c); |
| GString* g_string_erase (GString *string, |
| gint pos, |
| gint len); |
| GString* g_string_down (GString *string); |
| GString* g_string_up (GString *string); |
| void g_string_sprintf (GString *string, |
| const gchar *format, |
| ...) G_GNUC_PRINTF (2, 3); |
| void g_string_sprintfa (GString *string, |
| const gchar *format, |
| ...) G_GNUC_PRINTF (2, 3); |
| |
| |
| /* Resizable arrays, remove fills any cleared spot and shortens the |
| * array, while preserving the order. remove_fast will distort the |
| * order by moving the last element to the position of the removed |
| */ |
| |
| #define g_array_append_val(a,v) g_array_append_vals (a, &v, 1) |
| #define g_array_prepend_val(a,v) g_array_prepend_vals (a, &v, 1) |
| #define g_array_insert_val(a,i,v) g_array_insert_vals (a, i, &v, 1) |
| #define g_array_index(a,t,i) (((t*) (a)->data) [(i)]) |
| |
| GArray* g_array_new (gboolean zero_terminated, |
| gboolean clear, |
| guint element_size); |
| GArray* g_array_sized_new (gboolean zero_terminated, |
| gboolean clear, |
| guint element_size, |
| guint reserved_size); |
| gchar* g_array_free (GArray *array, |
| gboolean free_segment); |
| GArray* g_array_append_vals (GArray *array, |
| gconstpointer data, |
| guint len); |
| GArray* g_array_prepend_vals (GArray *array, |
| gconstpointer data, |
| guint len); |
| GArray* g_array_insert_vals (GArray *array, |
| guint index, |
| gconstpointer data, |
| guint len); |
| GArray* g_array_set_size (GArray *array, |
| guint length); |
| GArray* g_array_remove_index (GArray *array, |
| guint index); |
| GArray* g_array_remove_index_fast (GArray *array, |
| guint index); |
| |
| /* Resizable pointer array. This interface is much less complicated |
| * than the above. Add appends appends a pointer. Remove fills any |
| * cleared spot and shortens the array. remove_fast will again distort |
| * order. |
| */ |
| #define g_ptr_array_index(array,index) (array->pdata)[index] |
| GPtrArray* g_ptr_array_new (void); |
| GPtrArray* g_ptr_array_sized_new (guint reserved_size); |
| gpointer* g_ptr_array_free (GPtrArray *array, |
| gboolean free_seg); |
| void g_ptr_array_set_size (GPtrArray *array, |
| gint length); |
| gpointer g_ptr_array_remove_index (GPtrArray *array, |
| guint index); |
| gpointer g_ptr_array_remove_index_fast (GPtrArray *array, |
| guint index); |
| gboolean g_ptr_array_remove (GPtrArray *array, |
| gpointer data); |
| gboolean g_ptr_array_remove_fast (GPtrArray *array, |
| gpointer data); |
| void g_ptr_array_add (GPtrArray *array, |
| gpointer data); |
| |
| /* Byte arrays, an array of guint8. Implemented as a GArray, |
| * but type-safe. |
| */ |
| |
| GByteArray* g_byte_array_new (void); |
| GByteArray* g_byte_array_sized_new (guint reserved_size); |
| guint8* g_byte_array_free (GByteArray *array, |
| gboolean free_segment); |
| GByteArray* g_byte_array_append (GByteArray *array, |
| const guint8 *data, |
| guint len); |
| GByteArray* g_byte_array_prepend (GByteArray *array, |
| const guint8 *data, |
| guint len); |
| GByteArray* g_byte_array_set_size (GByteArray *array, |
| guint length); |
| GByteArray* g_byte_array_remove_index (GByteArray *array, |
| guint index); |
| GByteArray* g_byte_array_remove_index_fast (GByteArray *array, |
| guint index); |
| |
| |
| /* Hash Functions |
| */ |
| gboolean g_str_equal (gconstpointer v, |
| gconstpointer v2); |
| guint g_str_hash (gconstpointer v); |
| |
| gint g_int_equal (gconstpointer v, |
| gconstpointer v2) G_GNUC_CONST; |
| guint g_int_hash (gconstpointer v) G_GNUC_CONST; |
| |
| /* This "hash" function will just return the key's adress as an |
| * unsigned integer. Useful for hashing on plain adresses or |
| * simple integer values. |
| * passing NULL into g_hash_table_new() as GHashFunc has the |
| * same effect as passing g_direct_hash(). |
| */ |
| guint g_direct_hash (gconstpointer v) G_GNUC_CONST; |
| gint g_direct_equal (gconstpointer v, |
| gconstpointer v2) G_GNUC_CONST; |
| |
| |
| /* Quarks (string<->id association) |
| */ |
| GQuark g_quark_try_string (const gchar *string); |
| GQuark g_quark_from_static_string (const gchar *string); |
| GQuark g_quark_from_string (const gchar *string); |
| gchar* g_quark_to_string (GQuark quark) G_GNUC_CONST; |
| |
| |
| /* Keyed Data List |
| */ |
| void g_datalist_init (GData **datalist); |
| void g_datalist_clear (GData **datalist); |
| gpointer g_datalist_id_get_data (GData **datalist, |
| GQuark key_id); |
| void g_datalist_id_set_data_full (GData **datalist, |
| GQuark key_id, |
| gpointer data, |
| GDestroyNotify destroy_func); |
| gpointer g_datalist_id_remove_no_notify (GData **datalist, |
| GQuark key_id); |
| void g_datalist_foreach (GData **datalist, |
| GDataForeachFunc func, |
| gpointer user_data); |
| #define g_datalist_id_set_data(dl, q, d) \ |
| g_datalist_id_set_data_full ((dl), (q), (d), NULL) |
| #define g_datalist_id_remove_data(dl, q) \ |
| g_datalist_id_set_data ((dl), (q), NULL) |
| #define g_datalist_get_data(dl, k) \ |
| (g_datalist_id_get_data ((dl), g_quark_try_string (k))) |
| #define g_datalist_set_data_full(dl, k, d, f) \ |
| g_datalist_id_set_data_full ((dl), g_quark_from_string (k), (d), (f)) |
| #define g_datalist_remove_no_notify(dl, k) \ |
| g_datalist_id_remove_no_notify ((dl), g_quark_try_string (k)) |
| #define g_datalist_set_data(dl, k, d) \ |
| g_datalist_set_data_full ((dl), (k), (d), NULL) |
| #define g_datalist_remove_data(dl, k) \ |
| g_datalist_id_set_data ((dl), g_quark_try_string (k), NULL) |
| |
| |
| /* Location Associated Keyed Data |
| */ |
| void g_dataset_destroy (gconstpointer dataset_location); |
| gpointer g_dataset_id_get_data (gconstpointer dataset_location, |
| GQuark key_id); |
| void g_dataset_id_set_data_full (gconstpointer dataset_location, |
| GQuark key_id, |
| gpointer data, |
| GDestroyNotify destroy_func); |
| gpointer g_dataset_id_remove_no_notify (gconstpointer dataset_location, |
| GQuark key_id); |
| void g_dataset_foreach (gconstpointer dataset_location, |
| GDataForeachFunc func, |
| gpointer user_data); |
| #define g_dataset_id_set_data(l, k, d) \ |
| g_dataset_id_set_data_full ((l), (k), (d), NULL) |
| #define g_dataset_id_remove_data(l, k) \ |
| g_dataset_id_set_data ((l), (k), NULL) |
| #define g_dataset_get_data(l, k) \ |
| (g_dataset_id_get_data ((l), g_quark_try_string (k))) |
| #define g_dataset_set_data_full(l, k, d, f) \ |
| g_dataset_id_set_data_full ((l), g_quark_from_string (k), (d), (f)) |
| #define g_dataset_remove_no_notify(l, k) \ |
| g_dataset_id_remove_no_notify ((l), g_quark_try_string (k)) |
| #define g_dataset_set_data(l, k, d) \ |
| g_dataset_set_data_full ((l), (k), (d), NULL) |
| #define g_dataset_remove_data(l, k) \ |
| g_dataset_id_set_data ((l), g_quark_try_string (k), NULL) |
| |
| |
| /* GScanner: Flexible lexical scanner for general purpose. |
| */ |
| |
| /* Character sets */ |
| #define G_CSET_A_2_Z "ABCDEFGHIJKLMNOPQRSTUVWXYZ" |
| #define G_CSET_a_2_z "abcdefghijklmnopqrstuvwxyz" |
| #define G_CSET_DIGITS "0123456789" |
| #define G_CSET_LATINC "\300\301\302\303\304\305\306"\ |
| "\307\310\311\312\313\314\315\316\317\320"\ |
| "\321\322\323\324\325\326"\ |
| "\330\331\332\333\334\335\336" |
| #define G_CSET_LATINS "\337\340\341\342\343\344\345\346"\ |
| "\347\350\351\352\353\354\355\356\357\360"\ |
| "\361\362\363\364\365\366"\ |
| "\370\371\372\373\374\375\376\377" |
| |
| /* Error types */ |
| typedef enum |
| { |
| G_ERR_UNKNOWN, |
| G_ERR_UNEXP_EOF, |
| G_ERR_UNEXP_EOF_IN_STRING, |
| G_ERR_UNEXP_EOF_IN_COMMENT, |
| G_ERR_NON_DIGIT_IN_CONST, |
| G_ERR_DIGIT_RADIX, |
| G_ERR_FLOAT_RADIX, |
| G_ERR_FLOAT_MALFORMED |
| } GErrorType; |
| |
| /* Token types */ |
| typedef enum |
| { |
| G_TOKEN_EOF = 0, |
| |
| G_TOKEN_LEFT_PAREN = '(', |
| G_TOKEN_RIGHT_PAREN = ')', |
| G_TOKEN_LEFT_CURLY = '{', |
| G_TOKEN_RIGHT_CURLY = '}', |
| G_TOKEN_LEFT_BRACE = '[', |
| G_TOKEN_RIGHT_BRACE = ']', |
| G_TOKEN_EQUAL_SIGN = '=', |
| G_TOKEN_COMMA = ',', |
| |
| G_TOKEN_NONE = 256, |
| |
| G_TOKEN_ERROR, |
| |
| G_TOKEN_CHAR, |
| G_TOKEN_BINARY, |
| G_TOKEN_OCTAL, |
| G_TOKEN_INT, |
| G_TOKEN_HEX, |
| G_TOKEN_FLOAT, |
| G_TOKEN_STRING, |
| |
| G_TOKEN_SYMBOL, |
| G_TOKEN_IDENTIFIER, |
| G_TOKEN_IDENTIFIER_NULL, |
| |
| G_TOKEN_COMMENT_SINGLE, |
| G_TOKEN_COMMENT_MULTI, |
| G_TOKEN_LAST |
| } GTokenType; |
| |
| union _GTokenValue |
| { |
| gpointer v_symbol; |
| gchar *v_identifier; |
| gulong v_binary; |
| gulong v_octal; |
| gulong v_int; |
| gdouble v_float; |
| gulong v_hex; |
| gchar *v_string; |
| gchar *v_comment; |
| guchar v_char; |
| guint v_error; |
| }; |
| |
| struct _GScannerConfig |
| { |
| /* Character sets |
| */ |
| gchar *cset_skip_characters; /* default: " \t\n" */ |
| gchar *cset_identifier_first; |
| gchar *cset_identifier_nth; |
| gchar *cpair_comment_single; /* default: "#\n" */ |
| |
| /* Should symbol lookup work case sensitive? |
| */ |
| guint case_sensitive : 1; |
| |
| /* Boolean values to be adjusted "on the fly" |
| * to configure scanning behaviour. |
| */ |
| guint skip_comment_multi : 1; /* C like comment */ |
| guint skip_comment_single : 1; /* single line comment */ |
| guint scan_comment_multi : 1; /* scan multi line comments? */ |
| guint scan_identifier : 1; |
| guint scan_identifier_1char : 1; |
| guint scan_identifier_NULL : 1; |
| guint scan_symbols : 1; |
| guint scan_binary : 1; |
| guint scan_octal : 1; |
| guint scan_float : 1; |
| guint scan_hex : 1; /* `0x0ff0' */ |
| guint scan_hex_dollar : 1; /* `$0ff0' */ |
| guint scan_string_sq : 1; /* string: 'anything' */ |
| guint scan_string_dq : 1; /* string: "\\-escapes!\n" */ |
| guint numbers_2_int : 1; /* bin, octal, hex => int */ |
| guint int_2_float : 1; /* int => G_TOKEN_FLOAT? */ |
| guint identifier_2_string : 1; |
| guint char_2_token : 1; /* return G_TOKEN_CHAR? */ |
| guint symbol_2_token : 1; |
| guint scope_0_fallback : 1; /* try scope 0 on lookups? */ |
| }; |
| |
| struct _GScanner |
| { |
| /* unused fields */ |
| gpointer user_data; |
| guint max_parse_errors; |
| |
| /* g_scanner_error() increments this field */ |
| guint parse_errors; |
| |
| /* name of input stream, featured by the default message handler */ |
| const gchar *input_name; |
| |
| /* data pointer for derived structures */ |
| gpointer derived_data; |
| |
| /* link into the scanner configuration */ |
| GScannerConfig *config; |
| |
| /* fields filled in after g_scanner_get_next_token() */ |
| GTokenType token; |
| GTokenValue value; |
| guint line; |
| guint position; |
| |
| /* fields filled in after g_scanner_peek_next_token() */ |
| GTokenType next_token; |
| GTokenValue next_value; |
| guint next_line; |
| guint next_position; |
| |
| /* to be considered private */ |
| GHashTable *symbol_table; |
| gint input_fd; |
| const gchar *text; |
| const gchar *text_end; |
| gchar *buffer; |
| guint scope_id; |
| |
| /* handler function for _warn and _error */ |
| GScannerMsgFunc msg_handler; |
| }; |
| |
| GScanner* g_scanner_new (GScannerConfig *config_templ); |
| void g_scanner_destroy (GScanner *scanner); |
| void g_scanner_input_file (GScanner *scanner, |
| gint input_fd); |
| void g_scanner_sync_file_offset (GScanner *scanner); |
| void g_scanner_input_text (GScanner *scanner, |
| const gchar *text, |
| guint text_len); |
| GTokenType g_scanner_get_next_token (GScanner *scanner); |
| GTokenType g_scanner_peek_next_token (GScanner *scanner); |
| GTokenType g_scanner_cur_token (GScanner *scanner); |
| GTokenValue g_scanner_cur_value (GScanner *scanner); |
| guint g_scanner_cur_line (GScanner *scanner); |
| guint g_scanner_cur_position (GScanner *scanner); |
| gboolean g_scanner_eof (GScanner *scanner); |
| guint g_scanner_set_scope (GScanner *scanner, |
| guint scope_id); |
| void g_scanner_scope_add_symbol (GScanner *scanner, |
| guint scope_id, |
| const gchar *symbol, |
| gpointer value); |
| void g_scanner_scope_remove_symbol (GScanner *scanner, |
| guint scope_id, |
| const gchar *symbol); |
| gpointer g_scanner_scope_lookup_symbol (GScanner *scanner, |
| guint scope_id, |
| const gchar *symbol); |
| void g_scanner_scope_foreach_symbol (GScanner *scanner, |
| guint scope_id, |
| GHFunc func, |
| gpointer user_data); |
| gpointer g_scanner_lookup_symbol (GScanner *scanner, |
| const gchar *symbol); |
| void g_scanner_unexp_token (GScanner *scanner, |
| GTokenType expected_token, |
| const gchar *identifier_spec, |
| const gchar *symbol_spec, |
| const gchar *symbol_name, |
| const gchar *message, |
| gint is_error); |
| void g_scanner_error (GScanner *scanner, |
| const gchar *format, |
| ...) G_GNUC_PRINTF (2,3); |
| void g_scanner_warn (GScanner *scanner, |
| const gchar *format, |
| ...) G_GNUC_PRINTF (2,3); |
| gint g_scanner_stat_mode (const gchar *filename); |
| /* keep downward source compatibility */ |
| #define g_scanner_add_symbol( scanner, symbol, value ) G_STMT_START { \ |
| g_scanner_scope_add_symbol ((scanner), 0, (symbol), (value)); \ |
| } G_STMT_END |
| #define g_scanner_remove_symbol( scanner, symbol ) G_STMT_START { \ |
| g_scanner_scope_remove_symbol ((scanner), 0, (symbol)); \ |
| } G_STMT_END |
| #define g_scanner_foreach_symbol( scanner, func, data ) G_STMT_START { \ |
| g_scanner_scope_foreach_symbol ((scanner), 0, (func), (data)); \ |
| } G_STMT_END |
| |
| /* The following two functions are deprecated and will be removed in |
| * the next major release. They do no good. */ |
| void g_scanner_freeze_symbol_table (GScanner *scanner); |
| void g_scanner_thaw_symbol_table (GScanner *scanner); |
| |
| /* GCompletion |
| */ |
| |
| struct _GCompletion |
| { |
| GList* items; |
| GCompletionFunc func; |
| |
| gchar* prefix; |
| GList* cache; |
| }; |
| |
| GCompletion* g_completion_new (GCompletionFunc func); |
| void g_completion_add_items (GCompletion* cmp, |
| GList* items); |
| void g_completion_remove_items (GCompletion* cmp, |
| GList* items); |
| void g_completion_clear_items (GCompletion* cmp); |
| GList* g_completion_complete (GCompletion* cmp, |
| gchar* prefix, |
| gchar** new_prefix); |
| void g_completion_free (GCompletion* cmp); |
| |
| |
| /* GDate |
| * |
| * Date calculations (not time for now, to be resolved). These are a |
| * mutant combination of Steffen Beyer's DateCalc routines |
| * (http://www.perl.com/CPAN/authors/id/STBEY/) and Jon Trowbridge's |
| * date routines (written for in-house software). Written by Havoc |
| * Pennington <hp@pobox.com> |
| */ |
| |
| typedef guint16 GDateYear; |
| typedef guint8 GDateDay; /* day of the month */ |
| typedef struct _GDate GDate; |
| /* make struct tm known without having to include time.h */ |
| struct tm; |
| |
| /* enum used to specify order of appearance in parsed date strings */ |
| typedef enum |
| { |
| G_DATE_DAY = 0, |
| G_DATE_MONTH = 1, |
| G_DATE_YEAR = 2 |
| } GDateDMY; |
| |
| /* actual week and month values */ |
| typedef enum |
| { |
| G_DATE_BAD_WEEKDAY = 0, |
| G_DATE_MONDAY = 1, |
| G_DATE_TUESDAY = 2, |
| G_DATE_WEDNESDAY = 3, |
| G_DATE_THURSDAY = 4, |
| G_DATE_FRIDAY = 5, |
| G_DATE_SATURDAY = 6, |
| G_DATE_SUNDAY = 7 |
| } GDateWeekday; |
| typedef enum |
| { |
| G_DATE_BAD_MONTH = 0, |
| G_DATE_JANUARY = 1, |
| G_DATE_FEBRUARY = 2, |
| G_DATE_MARCH = 3, |
| G_DATE_APRIL = 4, |
| G_DATE_MAY = 5, |
| G_DATE_JUNE = 6, |
| G_DATE_JULY = 7, |
| G_DATE_AUGUST = 8, |
| G_DATE_SEPTEMBER = 9, |
| G_DATE_OCTOBER = 10, |
| G_DATE_NOVEMBER = 11, |
| G_DATE_DECEMBER = 12 |
| } GDateMonth; |
| |
| #define G_DATE_BAD_JULIAN 0U |
| #define G_DATE_BAD_DAY 0U |
| #define G_DATE_BAD_YEAR 0U |
| |
| /* Note: directly manipulating structs is generally a bad idea, but |
| * in this case it's an *incredibly* bad idea, because all or part |
| * of this struct can be invalid at any given time. Use the functions, |
| * or you will get hosed, I promise. |
| */ |
| struct _GDate |
| { |
| guint julian_days : 32; /* julian days representation - we use a |
| * bitfield hoping that 64 bit platforms |
| * will pack this whole struct in one big |
| * int |
| */ |
| |
| guint julian : 1; /* julian is valid */ |
| guint dmy : 1; /* dmy is valid */ |
| |
| /* DMY representation */ |
| guint day : 6; |
| guint month : 4; |
| guint year : 16; |
| }; |
| |
| /* g_date_new() returns an invalid date, you then have to _set() stuff |
| * to get a usable object. You can also allocate a GDate statically, |
| * then call g_date_clear() to initialize. |
| */ |
| GDate* g_date_new (void); |
| GDate* g_date_new_dmy (GDateDay day, |
| GDateMonth month, |
| GDateYear year); |
| GDate* g_date_new_julian (guint32 julian_day); |
| void g_date_free (GDate *date); |
| |
| /* check g_date_valid() after doing an operation that might fail, like |
| * _parse. Almost all g_date operations are undefined on invalid |
| * dates (the exceptions are the mutators, since you need those to |
| * return to validity). |
| */ |
| gboolean g_date_valid (GDate *date); |
| gboolean g_date_valid_day (GDateDay day) G_GNUC_CONST; |
| gboolean g_date_valid_month (GDateMonth month) G_GNUC_CONST; |
| gboolean g_date_valid_year (GDateYear year) G_GNUC_CONST; |
| gboolean g_date_valid_weekday (GDateWeekday weekday) G_GNUC_CONST; |
| gboolean g_date_valid_julian (guint32 julian_date) G_GNUC_CONST; |
| gboolean g_date_valid_dmy (GDateDay day, |
| GDateMonth month, |
| GDateYear year) G_GNUC_CONST; |
| |
| GDateWeekday g_date_weekday (GDate *date); |
| GDateMonth g_date_month (GDate *date); |
| GDateYear g_date_year (GDate *date); |
| GDateDay g_date_day (GDate *date); |
| guint32 g_date_julian (GDate *date); |
| guint g_date_day_of_year (GDate *date); |
| |
| /* First monday/sunday is the start of week 1; if we haven't reached |
| * that day, return 0. These are not ISO weeks of the year; that |
| * routine needs to be added. |
| * these functions return the number of weeks, starting on the |
| * corrsponding day |
| */ |
| guint g_date_monday_week_of_year (GDate *date); |
| guint g_date_sunday_week_of_year (GDate *date); |
| |
| /* If you create a static date struct you need to clear it to get it |
| * in a sane state before use. You can clear a whole array at |
| * once with the ndates argument. |
| */ |
| void g_date_clear (GDate *date, |
| guint n_dates); |
| |
| /* The parse routine is meant for dates typed in by a user, so it |
| * permits many formats but tries to catch common typos. If your data |
| * needs to be strictly validated, it is not an appropriate function. |
| */ |
| void g_date_set_parse (GDate *date, |
| const gchar *str); |
| void g_date_set_time (GDate *date, |
| GTime time); |
| void g_date_set_month (GDate *date, |
| GDateMonth month); |
| void g_date_set_day (GDate *date, |
| GDateDay day); |
| void g_date_set_year (GDate *date, |
| GDateYear year); |
| void g_date_set_dmy (GDate *date, |
| GDateDay day, |
| GDateMonth month, |
| GDateYear y); |
| void g_date_set_julian (GDate *date, |
| guint32 julian_date); |
| gboolean g_date_is_first_of_month (GDate *date); |
| gboolean g_date_is_last_of_month (GDate *date); |
| |
| /* To go forward by some number of weeks just go forward weeks*7 days */ |
| void g_date_add_days (GDate *date, |
| guint n_days); |
| void g_date_subtract_days (GDate *date, |
| guint n_days); |
| |
| /* If you add/sub months while day > 28, the day might change */ |
| void g_date_add_months (GDate *date, |
| guint n_months); |
| void g_date_subtract_months (GDate *date, |
| guint n_months); |
| |
| /* If it's feb 29, changing years can move you to the 28th */ |
| void g_date_add_years (GDate *date, |
| guint n_years); |
| void g_date_subtract_years (GDate *date, |
| guint n_years); |
| gboolean g_date_is_leap_year (GDateYear year) G_GNUC_CONST; |
| guint8 g_date_days_in_month (GDateMonth month, |
| GDateYear year) G_GNUC_CONST; |
| guint8 g_date_monday_weeks_in_year (GDateYear year) G_GNUC_CONST; |
| guint8 g_date_sunday_weeks_in_year (GDateYear year) G_GNUC_CONST; |
| |
| /* qsort-friendly (with a cast...) */ |
| gint g_date_compare (GDate *lhs, |
| GDate *rhs); |
| void g_date_to_struct_tm (GDate *date, |
| struct tm *tm); |
| |
| /* Just like strftime() except you can only use date-related formats. |
| * Using a time format is undefined. |
| */ |
| gsize g_date_strftime (gchar *s, |
| gsize slen, |
| const gchar *format, |
| GDate *date); |
| |
| |
| /* GRelation |
| * |
| * Indexed Relations. Imagine a really simple table in a |
| * database. Relations are not ordered. This data type is meant for |
| * maintaining a N-way mapping. |
| * |
| * g_relation_new() creates a relation with FIELDS fields |
| * |
| * g_relation_destroy() frees all resources |
| * g_tuples_destroy() frees the result of g_relation_select() |
| * |
| * g_relation_index() indexes relation FIELD with the provided |
| * equality and hash functions. this must be done before any |
| * calls to insert are made. |
| * |
| * g_relation_insert() inserts a new tuple. you are expected to |
| * provide the right number of fields. |
| * |
| * g_relation_delete() deletes all relations with KEY in FIELD |
| * g_relation_select() returns ... |
| * g_relation_count() counts ... |
| */ |
| |
| GRelation* g_relation_new (gint fields); |
| void g_relation_destroy (GRelation *relation); |
| void g_relation_index (GRelation *relation, |
| gint field, |
| GHashFunc hash_func, |
| GCompareFunc key_compare_func); |
| void g_relation_insert (GRelation *relation, |
| ...); |
| gint g_relation_delete (GRelation *relation, |
| gconstpointer key, |
| gint field); |
| GTuples* g_relation_select (GRelation *relation, |
| gconstpointer key, |
| gint field); |
| gint g_relation_count (GRelation *relation, |
| gconstpointer key, |
| gint field); |
| gboolean g_relation_exists (GRelation *relation, |
| ...); |
| void g_relation_print (GRelation *relation); |
| |
| void g_tuples_destroy (GTuples *tuples); |
| gpointer g_tuples_index (GTuples *tuples, |
| gint index, |
| gint field); |
| |
| |
| /* GRand - a good and fast random number generator: Mersenne Twister |
| * see http://www.math.keio.ac.jp/~matumoto/emt.html for more info. |
| * The range functions return a value in the intervall [min,max). |
| * int -> [0..2^32-1] |
| * int_range -> [min..max-1] |
| * double -> [0..1) |
| * double_range -> [min..max) |
| */ |
| |
| GRand* g_rand_new_with_seed (guint32 seed); |
| GRand* g_rand_new (void); |
| void g_rand_free (GRand *rand); |
| |
| void g_rand_set_seed (GRand *rand, |
| guint32 seed); |
| guint32 g_rand_int (GRand *rand); |
| gint32 g_rand_int_range (GRand *rand, |
| gint32 min, |
| gint32 max); |
| gdouble g_rand_double (GRand *rand); |
| gdouble g_rand_double_range (GRand *rand, |
| gdouble min, |
| gdouble max); |
| |
| void g_random_set_seed (guint32 seed); |
| guint32 g_random_int (void); |
| gint32 g_random_int_range (gint32 min, |
| gint32 max); |
| gdouble g_random_double (void); |
| gdouble g_random_double_range (gdouble min, |
| gdouble max); |
| |
| |
| /* Prime numbers. |
| */ |
| |
| /* This function returns prime numbers spaced by approximately 1.5-2.0 |
| * and is for use in resizing data structures which prefer |
| * prime-valued sizes. The closest spaced prime function returns the |
| * next largest prime, or the highest it knows about which is about |
| * MAXINT/4. |
| */ |
| guint g_spaced_primes_closest (guint num) G_GNUC_CONST; |
| |
| |
| /* GIOChannel |
| */ |
| |
| typedef struct _GIOFuncs GIOFuncs; |
| typedef enum |
| { |
| G_IO_ERROR_NONE, |
| G_IO_ERROR_AGAIN, |
| G_IO_ERROR_INVAL, |
| G_IO_ERROR_UNKNOWN |
| } GIOError; |
| typedef enum |
| { |
| G_SEEK_CUR, |
| G_SEEK_SET, |
| G_SEEK_END |
| } GSeekType; |
| typedef enum |
| { |
| G_IO_IN GLIB_SYSDEF_POLLIN, |
| G_IO_OUT GLIB_SYSDEF_POLLOUT, |
| G_IO_PRI GLIB_SYSDEF_POLLPRI, |
| G_IO_ERR GLIB_SYSDEF_POLLERR, |
| G_IO_HUP GLIB_SYSDEF_POLLHUP, |
| G_IO_NVAL GLIB_SYSDEF_POLLNVAL |
| } GIOCondition; |
| |
| struct _GIOChannel |
| { |
| guint channel_flags; |
| guint ref_count; |
| GIOFuncs *funcs; |
| }; |
| |
| typedef gboolean (*GIOFunc) (GIOChannel *source, |
| GIOCondition condition, |
| gpointer data); |
| struct _GIOFuncs |
| { |
| GIOError (*io_read) (GIOChannel *channel, |
| gchar *buf, |
| guint count, |
| guint *bytes_read); |
| GIOError (*io_write) (GIOChannel *channel, |
| gchar *buf, |
| guint count, |
| guint *bytes_written); |
| GIOError (*io_seek) (GIOChannel *channel, |
| gint offset, |
| GSeekType type); |
| void (*io_close) (GIOChannel *channel); |
| guint (*io_add_watch) (GIOChannel *channel, |
| gint priority, |
| GIOCondition condition, |
| GIOFunc func, |
| gpointer user_data, |
| GDestroyNotify notify); |
| void (*io_free) (GIOChannel *channel); |
| }; |
| |
| void g_io_channel_init (GIOChannel *channel); |
| void g_io_channel_ref (GIOChannel *channel); |
| void g_io_channel_unref (GIOChannel *channel); |
| GIOError g_io_channel_read (GIOChannel *channel, |
| gchar *buf, |
| guint count, |
| guint *bytes_read); |
| GIOError g_io_channel_write (GIOChannel *channel, |
| gchar *buf, |
| guint count, |
| guint *bytes_written); |
| GIOError g_io_channel_seek (GIOChannel *channel, |
| gint offset, |
| GSeekType type); |
| void g_io_channel_close (GIOChannel *channel); |
| guint g_io_add_watch_full (GIOChannel *channel, |
| gint priority, |
| GIOCondition condition, |
| GIOFunc func, |
| gpointer user_data, |
| GDestroyNotify notify); |
| guint g_io_add_watch (GIOChannel *channel, |
| GIOCondition condition, |
| GIOFunc func, |
| gpointer user_data); |
| |
| |
| /* Main loop |
| */ |
| typedef struct _GTimeVal GTimeVal; |
| typedef struct _GSourceFuncs GSourceFuncs; |
| typedef struct _GMainLoop GMainLoop; /* Opaque */ |
| |
| struct _GTimeVal |
| { |
| glong tv_sec; |
| glong tv_usec; |
| }; |
| struct _GSourceFuncs |
| { |
| gboolean (*prepare) (gpointer source_data, |
| GTimeVal *current_time, |
| gint *timeout, |
| gpointer user_data); |
| gboolean (*check) (gpointer source_data, |
| GTimeVal *current_time, |
| gpointer user_data); |
| gboolean (*dispatch) (gpointer source_data, |
| GTimeVal *dispatch_time, |
| gpointer user_data); |
| GDestroyNotify destroy; |
| }; |
| |
| /* Standard priorities */ |
| |
| #define G_PRIORITY_HIGH -100 |
| #define G_PRIORITY_DEFAULT 0 |
| #define G_PRIORITY_HIGH_IDLE 100 |
| #define G_PRIORITY_DEFAULT_IDLE 200 |
| #define G_PRIORITY_LOW 300 |
| |
| typedef gboolean (*GSourceFunc) (gpointer data); |
| |
| /* Hooks for adding to the main loop */ |
| guint g_source_add (gint priority, |
| gboolean can_recurse, |
| GSourceFuncs *funcs, |
| gpointer source_data, |
| gpointer user_data, |
| GDestroyNotify notify); |
| gboolean g_source_remove (guint tag); |
| gboolean g_source_remove_by_user_data (gpointer user_data); |
| gboolean g_source_remove_by_source_data (gpointer source_data); |
| gboolean g_source_remove_by_funcs_user_data (GSourceFuncs *funcs, |
| gpointer user_data); |
| |
| void g_get_current_time (GTimeVal *result); |
| |
| /* Running the main loop */ |
| GMainLoop* g_main_new (gboolean is_running); |
| void g_main_run (GMainLoop *loop); |
| void g_main_quit (GMainLoop *loop); |
| void g_main_destroy (GMainLoop *loop); |
| gboolean g_main_is_running (GMainLoop *loop); |
| |
| /* Run a single iteration of the mainloop. If block is FALSE, |
| * will never block |
| */ |
| gboolean g_main_iteration (gboolean may_block); |
| |
| /* See if any events are pending */ |
| gboolean g_main_pending (void); |
| |
| /* Idles and timeouts */ |
| guint g_timeout_add_full (gint priority, |
| guint interval, |
| GSourceFunc function, |
| gpointer data, |
| GDestroyNotify notify); |
| guint g_timeout_add (guint interval, |
| GSourceFunc function, |
| gpointer data); |
| guint g_idle_add (GSourceFunc function, |
| gpointer data); |
| guint g_idle_add_full (gint priority, |
| GSourceFunc function, |
| gpointer data, |
| GDestroyNotify destroy); |
| gboolean g_idle_remove_by_data (gpointer data); |
| |
| /* GPollFD |
| * |
| * System-specific IO and main loop calls |
| * |
| * On Win32, the fd in a GPollFD should be Win32 HANDLE (*not* a file |
| * descriptor as provided by the C runtime) that can be used by |
| * MsgWaitForMultipleObjects. This does *not* include file handles |
| * from CreateFile, SOCKETs, nor pipe handles. (But you can use |
| * WSAEventSelect to signal events when a SOCKET is readable). |
| * |
| * On Win32, fd can also be the special value G_WIN32_MSG_HANDLE to |
| * indicate polling for messages. These message queue GPollFDs should |
| * be added with the g_main_poll_win32_msg_add function. |
| * |
| * But note that G_WIN32_MSG_HANDLE GPollFDs should not be used by GDK |
| * (GTK) programs, as GDK itself wants to read messages and convert them |
| * to GDK events. |
| * |
| * So, unless you really know what you are doing, it's best not to try |
| * to use the main loop polling stuff for your own needs on |
| * Win32. It's really only written for the GIMP's needs so |
| * far. |
| */ |
| |
| typedef struct _GPollFD GPollFD; |
| typedef gint (*GPollFunc) (GPollFD *ufds, |
| guint nfsd, |
| gint timeout); |
| struct _GPollFD |
| { |
| gint fd; |
| gushort events; |
| gushort revents; |
| }; |
| |
| void g_main_add_poll (GPollFD *fd, |
| gint priority); |
| void g_main_remove_poll (GPollFD *fd); |
| void g_main_set_poll_func (GPollFunc func); |
| |
| #ifdef G_OS_WIN32 |
| |
| /* Useful on other platforms, too? */ |
| |
| GPollFunc g_main_win32_get_poll_func (void); |
| |
| #endif |
| |
| /* On Unix, IO channels created with this function for any file |
| * descriptor or socket. |
| * |
| * On Win32, use this only for files opened with the MSVCRT (the |
| * Microsoft run-time C library) _open() or _pipe, including file |
| * descriptors 0, 1 and 2 (corresponding to stdin, stdout and stderr). |
| * |
| * The term file descriptor as used in the context of Win32 refers to |
| * the emulated Unix-like file descriptors MSVCRT provides. The native |
| * corresponding concept is file HANDLE. There isn't as of yet a way to |
| * get GIOChannels for file HANDLEs. |
| */ |
| GIOChannel* g_io_channel_unix_new (int fd); |
| gint g_io_channel_unix_get_fd (GIOChannel *channel); |
| |
| #ifdef G_OS_WIN32 |
| |
| #define G_WIN32_MSG_HANDLE 19981206 |
| |
| /* Use this to get a GPollFD from a GIOChannel, so that you can call |
| * g_io_channel_win32_poll(). After calling this you should only use |
| * g_io_channel_read() to read from the GIOChannel, i.e. never read() |
| * or recv() from the underlying file descriptor or SOCKET. |
| */ |
| void g_io_channel_win32_make_pollfd (GIOChannel *channel, |
| GIOCondition condition, |
| GPollFD *fd); |
| |
| /* This can be used to wait a until at least one of the channels is readable. |
| * On Unix you would do a select() on the file descriptors of the channels. |
| * This should probably be available for all platforms? |
| */ |
| gint g_io_channel_win32_poll (GPollFD *fds, |
| gint n_fds, |
| gint timeout); |
| |
| /* This is used to add polling for Windows messages. GDK (GTk+) programs |
| * should *not* use this. |
| */ |
| void g_main_poll_win32_msg_add (gint priority, |
| GPollFD *fd, |
| guint hwnd); |
| |
| /* An IO channel for Windows messages for window handle hwnd. */ |
| GIOChannel *g_io_channel_win32_new_messages (guint hwnd); |
| |
| /* An IO channel for C runtime (emulated Unix-like) file |
| * descriptors. Identical to g_io_channel_unix_new above. |
| * After calling g_io_add_watch() on a IO channel returned |
| * by this function, you shouldn't call read() on the file |
| * descriptor. |
| */ |
| GIOChannel* g_io_channel_win32_new_fd (int fd); |
| |
| /* Get the C runtime file descriptor of a channel. */ |
| gint g_io_channel_win32_get_fd (GIOChannel *channel); |
| |
| /* An IO channel for a SOCK_STREAM winsock socket. The parameter |
| * should be a SOCKET. After calling g_io_add_watch() on a IO channel |
| * returned by this function, you shouldn't call recv() on the SOCKET. |
| */ |
| GIOChannel *g_io_channel_win32_new_stream_socket (int socket); |
| |
| #endif |
| |
| /* Windows emulation stubs for common Unix functions |
| */ |
| #ifdef G_OS_WIN32 |
| # define MAXPATHLEN 1024 |
| |
| #ifdef _MSC_VER |
| typedef int pid_t; |
| #endif |
| |
| /* |
| * To get prototypes for the following POSIXish functions, you have to |
| * include the indicated non-POSIX headers. The functions are defined |
| * in OLDNAMES.LIB (MSVC) or -lmoldname-msvc (mingw32). |
| * |
| * getcwd: <direct.h> (MSVC), <io.h> (mingw32) |
| * getpid: <process.h> |
| * access: <io.h> |
| * unlink: <stdio.h> or <io.h> |
| * open, read, write, lseek, close: <io.h> |
| * rmdir: <direct.h> |
| * pipe: <direct.h> |
| */ |
| |
| /* pipe is not in OLDNAMES.LIB or -lmoldname-msvc. */ |
| #define pipe(phandles) _pipe (phandles, 4096, _O_BINARY) |
| |
| /* For some POSIX functions that are not provided by the MS runtime, |
| * we provide emulators in glib, which are prefixed with g_win32_. |
| */ |
| # define ftruncate(fd, size) g_win32_ftruncate (fd, size) |
| |
| /* -lmingw32 also has emulations for these, but we need our own |
| * for MSVC anyhow, so we might aswell use them always. |
| */ |
| # define opendir g_win32_opendir |
| # define readdir g_win32_readdir |
| # define rewinddir g_win32_rewinddir |
| # define closedir g_win32_closedir |
| # define NAME_MAX 255 |
| |
| struct DIR |
| { |
| gchar *dir_name; |
| gboolean just_opened; |
| guint find_file_handle; |
| gpointer find_file_data; |
| }; |
| typedef struct DIR DIR; |
| struct dirent |
| { |
| gchar d_name[NAME_MAX + 1]; |
| }; |
| /* emulation functions */ |
| extern int g_win32_ftruncate (gint f, |
| guint size); |
| DIR* g_win32_opendir (const gchar *dirname); |
| struct dirent* g_win32_readdir (DIR *dir); |
| void g_win32_rewinddir (DIR *dir); |
| gint g_win32_closedir (DIR *dir); |
| |
| /* The MS setlocale uses locale names of the form "English_United |
| * States.1252" etc. We want the Unixish standard form "en", "zh_TW" |
| * etc. This function gets the current thread locale from Windows and |
| * returns it as a string of the above form for use in forming file |
| * names etc. The returned string should be deallocated with g_free(). |
| */ |
| gchar * g_win32_getlocale (void); |
| |
| /* Translate a Win32 error code (as returned by GetLastError()) into |
| * the corresponding message. The returned string should be deallocated |
| * with g_free(). |
| */ |
| gchar * g_win32_error_message (gint error); |
| |
| #endif /* G_OS_WIN32 */ |
| |
| |
| /* GLib Thread support |
| */ |
| |
| extern GQuark g_thread_error_quark(); |
| #define G_THREAD_ERROR g_thread_error_quark() |
| |
| typedef enum |
| { |
| G_THREAD_ERROR_AGAIN /* Resource temporarily unavailable */ |
| } GThreadError; |
| |
| typedef void (*GThreadFunc) (gpointer value); |
| |
| typedef enum |
| { |
| G_THREAD_PRIORITY_LOW, |
| G_THREAD_PRIORITY_NORMAL, |
| G_THREAD_PRIORITY_HIGH, |
| G_THREAD_PRIORITY_URGENT |
| } GThreadPriority; |
| |
| typedef struct _GThread GThread; |
| struct _GThread |
| { |
| GThreadPriority priority; |
| gboolean bound; |
| gboolean joinable; |
| }; |
| |
| typedef struct _GMutex GMutex; |
| typedef struct _GCond GCond; |
| typedef struct _GPrivate GPrivate; |
| typedef struct _GStaticPrivate GStaticPrivate; |
| typedef struct _GAsyncQueue GAsyncQueue; |
| typedef struct _GThreadPool GThreadPool; |
| |
| typedef struct _GThreadFunctions GThreadFunctions; |
| struct _GThreadFunctions |
| { |
| GMutex* (*mutex_new) (void); |
| void (*mutex_lock) (GMutex *mutex); |
| gboolean (*mutex_trylock) (GMutex *mutex); |
| void (*mutex_unlock) (GMutex *mutex); |
| void (*mutex_free) (GMutex *mutex); |
| GCond* (*cond_new) (void); |
| void (*cond_signal) (GCond *cond); |
| void (*cond_broadcast) (GCond *cond); |
| void (*cond_wait) (GCond *cond, |
| GMutex *mutex); |
| gboolean (*cond_timed_wait) (GCond *cond, |
| GMutex *mutex, |
| GTimeVal *end_time); |
| void (*cond_free) (GCond *cond); |
| GPrivate* (*private_new) (GDestroyNotify destructor); |
| gpointer (*private_get) (GPrivate *private_key); |
| void (*private_set) (GPrivate *private_key, |
| gpointer data); |
| void (*thread_create) (GThreadFunc thread_func, |
| gpointer arg, |
| gulong stack_size, |
| gboolean joinable, |
| gboolean bound, |
| GThreadPriority priority, |
| gpointer thread, |
| GError **error); |
| void (*thread_yield) (void); |
| void (*thread_join) (gpointer thread); |
| void (*thread_exit) (void); |
| void (*thread_set_priority)(gpointer thread, |
| GThreadPriority priority); |
| void (*thread_self) (gpointer thread); |
| }; |
| |
| GLIB_VAR GThreadFunctions g_thread_functions_for_glib_use; |
| GLIB_VAR gboolean g_thread_use_default_impl; |
| GLIB_VAR gboolean g_threads_got_initialized; |
| |
| /* initializes the mutex/cond/private implementation for glib, might |
| * only be called once, and must not be called directly or indirectly |
| * from another glib-function, e.g. as a callback. |
| */ |
| void g_thread_init (GThreadFunctions *vtable); |
| |
| /* internal function for fallback static mutex implementation */ |
| GMutex* g_static_mutex_get_mutex_impl (GMutex **mutex); |
| |
| /* shorthands for conditional and unconditional function calls */ |
| #define G_THREAD_UF(name, arglist) \ |
| (*g_thread_functions_for_glib_use . name) arglist |
| #define G_THREAD_CF(name, fail, arg) \ |
| (g_thread_supported () ? G_THREAD_UF (name, arg) : (fail)) |
| /* keep in mind, all those mutexes and static mutexes are not |
| * recursive in general, don't rely on that |
| */ |
| #define g_thread_supported() (g_threads_got_initialized) |
| #define g_mutex_new() G_THREAD_UF (mutex_new, ()) |
| #define g_mutex_lock(mutex) G_THREAD_CF (mutex_lock, (void)0, (mutex)) |
| #define g_mutex_trylock(mutex) G_THREAD_CF (mutex_trylock, TRUE, (mutex)) |
| #define g_mutex_unlock(mutex) G_THREAD_CF (mutex_unlock, (void)0, (mutex)) |
| #define g_mutex_free(mutex) G_THREAD_CF (mutex_free, (void)0, (mutex)) |
| #define g_cond_new() G_THREAD_UF (cond_new, ()) |
| #define g_cond_signal(cond) G_THREAD_CF (cond_signal, (void)0, (cond)) |
| #define g_cond_broadcast(cond) G_THREAD_CF (cond_broadcast, (void)0, (cond)) |
| #define g_cond_wait(cond, mutex) G_THREAD_CF (cond_wait, (void)0, (cond, \ |
| mutex)) |
| #define g_cond_free(cond) G_THREAD_CF (cond_free, (void)0, (cond)) |
| #define g_cond_timed_wait(cond, mutex, abs_time) G_THREAD_CF (cond_timed_wait, \ |
| TRUE, \ |
| (cond, mutex, \ |
| abs_time)) |
| #define g_private_new(destructor) G_THREAD_UF (private_new, (destructor)) |
| #define g_private_get(private_key) G_THREAD_CF (private_get, \ |
| ((gpointer)private_key), \ |
| (private_key)) |
| #define g_private_set(private_key, value) G_THREAD_CF (private_set, \ |
| (void) (private_key = \ |
| (GPrivate*) (value)), \ |
| (private_key, value)) |
| #define g_thread_yield() G_THREAD_CF (thread_yield, (void)0, ()) |
| #define g_thread_exit() G_THREAD_CF (thread_exit, (void)0, ()) |
| |
| GThread* g_thread_create (GThreadFunc thread_func, |
| gpointer arg, |
| gulong stack_size, |
| gboolean joinable, |
| gboolean bound, |
| GThreadPriority priority, |
| GError **error); |
| GThread* g_thread_self (); |
| void g_thread_join (GThread *thread); |
| void g_thread_set_priority (GThread *thread, |
| GThreadPriority priority); |
| |
| /* GStaticMutexes can be statically initialized with the value |
| * G_STATIC_MUTEX_INIT, and then they can directly be used, that is |
| * much easier, than having to explicitly allocate the mutex before |
| * use |
| */ |
| #define g_static_mutex_lock(mutex) \ |
| g_mutex_lock (g_static_mutex_get_mutex (mutex)) |
| #define g_static_mutex_trylock(mutex) \ |
| g_mutex_trylock (g_static_mutex_get_mutex (mutex)) |
| #define g_static_mutex_unlock(mutex) \ |
| g_mutex_unlock (g_static_mutex_get_mutex (mutex)) |
| |
| struct _GStaticPrivate |
| { |
| guint index; |
| }; |
| #define G_STATIC_PRIVATE_INIT { 0 } |
| gpointer g_static_private_get (GStaticPrivate *private_key); |
| void g_static_private_set (GStaticPrivate *private_key, |
| gpointer data, |
| GDestroyNotify notify); |
| gpointer g_static_private_get_for_thread (GStaticPrivate *private_key, |
| GThread *thread); |
| void g_static_private_set_for_thread (GStaticPrivate *private_key, |
| GThread *thread, |
| gpointer data, |
| GDestroyNotify notify); |
| |
| typedef struct _GStaticRecMutex GStaticRecMutex; |
| struct _GStaticRecMutex |
| { |
| GStaticMutex mutex; |
| unsigned int depth; |
| GSystemThread owner; |
| }; |
| |
| #define G_STATIC_REC_MUTEX_INIT { G_STATIC_MUTEX_INIT } |
| void g_static_rec_mutex_lock (GStaticRecMutex *mutex); |
| gboolean g_static_rec_mutex_trylock (GStaticRecMutex *mutex); |
| void g_static_rec_mutex_unlock (GStaticRecMutex *mutex); |
| void g_static_rec_mutex_lock_full (GStaticRecMutex *mutex, |
| guint depth); |
| guint g_static_rec_mutex_unlock_full (GStaticRecMutex *mutex); |
| |
| typedef struct _GStaticRWLock GStaticRWLock; |
| struct _GStaticRWLock |
| { |
| GStaticMutex mutex; |
| GCond *read_cond; |
| GCond *write_cond; |
| guint read_counter; |
| gboolean write; |
| guint want_to_write; |
| }; |
| |
| #define G_STATIC_RW_LOCK_INIT { G_STATIC_MUTEX_INIT, NULL, NULL, 0, FALSE, FALSE } |
| |
| void g_static_rw_lock_reader_lock (GStaticRWLock* lock); |
| gboolean g_static_rw_lock_reader_trylock (GStaticRWLock* lock); |
| void g_static_rw_lock_reader_unlock (GStaticRWLock* lock); |
| void g_static_rw_lock_writer_lock (GStaticRWLock* lock); |
| gboolean g_static_rw_lock_writer_trylock (GStaticRWLock* lock); |
| void g_static_rw_lock_writer_unlock (GStaticRWLock* lock); |
| void g_static_rw_lock_free (GStaticRWLock* lock); |
| |
| /* these are some convenience macros that expand to nothing if GLib |
| * was configured with --disable-threads. for using StaticMutexes, |
| * you define them with G_LOCK_DEFINE_STATIC (name) or G_LOCK_DEFINE (name) |
| * if you need to export the mutex. With G_LOCK_EXTERN (name) you can |
| * declare such an globally defined lock. name is a unique identifier |
| * for the protected varibale or code portion. locking, testing and |
| * unlocking of such mutexes can be done with G_LOCK(), G_UNLOCK() and |
| * G_TRYLOCK() respectively. |
| */ |
| extern void glib_dummy_decl (void); |
| #define G_LOCK_NAME(name) g__ ## name ## _lock |
| #ifdef G_THREADS_ENABLED |
| # define G_LOCK_DEFINE_STATIC(name) static G_LOCK_DEFINE (name) |
| # define G_LOCK_DEFINE(name) \ |
| GStaticMutex G_LOCK_NAME (name) = G_STATIC_MUTEX_INIT |
| # define G_LOCK_EXTERN(name) extern GStaticMutex G_LOCK_NAME (name) |
| |
| # ifdef G_DEBUG_LOCKS |
| # define G_LOCK(name) G_STMT_START{ \ |
| g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \ |
| "file %s: line %d (%s): locking: %s ", \ |
| __FILE__, __LINE__, G_GNUC_PRETTY_FUNCTION, \ |
| #name); \ |
| g_static_mutex_lock (&G_LOCK_NAME (name)); \ |
| }G_STMT_END |
| # define G_UNLOCK(name) G_STMT_START{ \ |
| g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \ |
| "file %s: line %d (%s): unlocking: %s ", \ |
| __FILE__, __LINE__, G_GNUC_PRETTY_FUNCTION, \ |
| #name); \ |
| g_static_mutex_unlock (&G_LOCK_NAME (name)); \ |
| }G_STMT_END |
| # define G_TRYLOCK(name) \ |
| (g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \ |
| "file %s: line %d (%s): try locking: %s ", \ |
| __FILE__, __LINE__, G_GNUC_PRETTY_FUNCTION, \ |
| #name), g_static_mutex_trylock (&G_LOCK_NAME (name))) |
| # else /* !G_DEBUG_LOCKS */ |
| # define G_LOCK(name) g_static_mutex_lock (&G_LOCK_NAME (name)) |
| # define G_UNLOCK(name) g_static_mutex_unlock (&G_LOCK_NAME (name)) |
| # define G_TRYLOCK(name) g_static_mutex_trylock (&G_LOCK_NAME (name)) |
| # endif /* !G_DEBUG_LOCKS */ |
| #else /* !G_THREADS_ENABLED */ |
| # define G_LOCK_DEFINE_STATIC(name) extern void glib_dummy_decl (void) |
| # define G_LOCK_DEFINE(name) extern void glib_dummy_decl (void) |
| # define G_LOCK_EXTERN(name) extern void glib_dummy_decl (void) |
| # define G_LOCK(name) |
| # define G_UNLOCK(name) |
| # define G_TRYLOCK(name) (TRUE) |
| #endif /* !G_THREADS_ENABLED */ |
| |
| /* Asyncronous Queues, can be used to communicate between threads |
| */ |
| |
| /* Get a new GAsyncQueue with the ref_count 1 */ |
| GAsyncQueue* g_async_queue_new (void); |
| |
| /* Lock and unlock an GAsyncQueue, all functions lock the queue for |
| * themselves, but in certain cirumstances you want to hold the lock longer, |
| * thus you lock the queue, call the *_unlocked functions and unlock it again |
| */ |
| void g_async_queue_lock (GAsyncQueue *queue); |
| void g_async_queue_unlock (GAsyncQueue *queue); |
| |
| /* Ref and unref the GAsyncQueue. g_async_queue_unref_unlocked makes |
| * no sense, as after the unreffing the Queue might be gone and can't |
| * be unlocked. So you have a function to call, if you don't hold the |
| * lock (g_async_queue_unref) and one to call, when you already hold |
| * the lock (g_async_queue_unref_and_unlock). After that however, you |
| * don't hold the lock anymore and the Queue might in fact be |
| * destroyed, if you unrefed to zero */ |
| void g_async_queue_ref (GAsyncQueue *queue); |
| void g_async_queue_ref_unlocked (GAsyncQueue *queue); |
| void g_async_queue_unref (GAsyncQueue *queue); |
| void g_async_queue_unref_and_unlock (GAsyncQueue *queue); |
| |
| /* Push data into the async queue. Must not be NULL */ |
| void g_async_queue_push (GAsyncQueue *queue, |
| gpointer data); |
| void g_async_queue_push_unlocked (GAsyncQueue *queue, |
| gpointer data); |
| |
| /* Pop data from the async queue, when no data is there, the thread is blocked |
| * until data arrives */ |
| gpointer g_async_queue_pop (GAsyncQueue *queue); |
| gpointer g_async_queue_pop_unlocked (GAsyncQueue *queue); |
| |
| /* Try to pop data, NULL is returned in case of empty queue */ |
| gpointer g_async_queue_try_pop (GAsyncQueue *queue); |
| gpointer g_async_queue_try_pop_unlocked (GAsyncQueue *queue); |
| |
| /* Wait for data until at maximum until end_time is reached, NULL is returned |
| * in case of empty queue*/ |
| gpointer g_async_queue_timed_pop (GAsyncQueue *queue, |
| GTimeVal *end_time); |
| gpointer g_async_queue_timed_pop_unlocked (GAsyncQueue *queue, |
| GTimeVal *end_time); |
| |
| /* Return the length of the queue, negative values mean, that threads |
| * are waiting, positve values mean, that there are entries in the |
| * queue. Actually this function returns the length of the queue minus |
| * the number of waiting threads, g_async_queue_length == 0 could also |
| * mean 'n' entries in the queue and 'n' thread waiting, such can |
| * happen due to locking of the queue or due to scheduling. */ |
| gint g_async_queue_length (GAsyncQueue *queue); |
| gint g_async_queue_length_unlocked (GAsyncQueue *queue); |
| |
| /* Thread Pools |
| */ |
| |
| /* The real GThreadPool is bigger, so you may only create a thread |
| * pool with the constructor function */ |
| struct _GThreadPool |
| { |
| GFunc thread_func; |
| gulong stack_size; |
| gboolean bound; |
| GThreadPriority priority; |
| gboolean exclusive; |
| gpointer user_data; |
| }; |
| |
| /* Get a thread pool with the function thread_func, at most max_threads may |
| * run at a time (max_threads == -1 means no limit), stack_size, bound, |
| * priority like in g_thread_create, exclusive == TRUE means, that the threads |
| * shouldn't be shared and that they will be prestarted (otherwise they are |
| * started, as needed) user_data is the 2nd argument to the thread_func */ |
| GThreadPool* g_thread_pool_new (GFunc thread_func, |
| gint max_threads, |
| gulong stack_size, |
| gboolean bound, |
| GThreadPriority priority, |
| gboolean exclusive, |
| gpointer user_data, |
| GError **error); |
| |
| /* Push new data into the thread pool. This task is assigned to a thread later |
| * (when the maximal number of threads is reached for that pool) or now |
| * (otherwise). If necessary a new thread will be started. The function |
| * returns immediatly */ |
| void g_thread_pool_push (GThreadPool *pool, |
| gpointer data, |
| GError **error); |
| |
| /* Set the number of threads, which can run concurrently for that pool, -1 |
| * means no limit. 0 means has the effect, that the pool won't process |
| * requests until the limit is set higher again */ |
| void g_thread_pool_set_max_threads (GThreadPool *pool, |
| gint max_threads, |
| GError **error); |
| gint g_thread_pool_get_max_threads (GThreadPool *pool); |
| |
| /* Get the number of threads assigned to that pool. This number doesn't |
| * necessarily represent the number of working threads in that pool */ |
| guint g_thread_pool_get_num_threads (GThreadPool *pool); |
| |
| /* Get the number of unprocessed items in the pool */ |
| guint g_thread_pool_unprocessed (GThreadPool *pool); |
| |
| /* Free the pool, immediate means, that all unprocessed items in the queue |
| * wont be processed, wait means, that the function doesn't return immediatly, |
| * but after all threads in the pool are ready processing items. immediate |
| * does however not mean, that threads are killed. */ |
| void g_thread_pool_free (GThreadPool *pool, |
| gboolean immediate, |
| gboolean wait); |
| |
| /* Set the maximal number of unused threads before threads will be stopped by |
| * GLib, -1 means no limit */ |
| void g_thread_pool_set_max_unused_threads (gint max_threads); |
| gint g_thread_pool_get_max_unused_threads (void); |
| guint g_thread_pool_get_num_unused_threads (void); |
| |
| /* Stop all currently unused threads, but leave the limit untouched */ |
| void g_thread_pool_stop_unused_threads (void); |
| |
| typedef enum |
| { |
| G_CONVERT_ERROR_NO_CONVERSION, |
| G_CONVERT_ERROR_ILLEGAL_SEQUENCE, |
| G_CONVERT_ERROR_OTHER |
| } GConvertError; |
| |
| #define G_CONVERT_ERROR g_convert_error_quark() |
| GQuark g_convert_error_quark(); |
| |
| gchar* g_convert (const gchar *str, |
| gint len, |
| const gchar *to_codeset, |
| const gchar *from_codeset, |
| gint *bytes_read, |
| gint *bytes_written, |
| GError **error); |
| gchar* g_convert_with_fallback (const gchar *str, |
| gint len, |
| const gchar *to_codeset, |
| const gchar *from_codeset, |
| gchar *fallback, |
| gint *bytes_read, |
| gint *bytes_written, |
| GError **error); |
| |
| #ifdef __cplusplus |
| } |
| #endif /* __cplusplus */ |
| |
| #include <gunicode.h> |
| |
| #endif /* __G_LIB_H__ */ |