| /* GLIB - Library of useful routines for C programming |
| * Copyright (C) 1995-1998 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/. |
| */ |
| |
| /* |
| * MT safe for the unix part, FIXME: make the win32 part MT safe as well. |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #ifdef HAVE_UNISTD_H |
| #include <unistd.h> |
| #endif |
| #include <stdarg.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <errno.h> |
| #ifdef HAVE_PWD_H |
| #include <pwd.h> |
| #endif |
| #include <sys/types.h> |
| #ifdef HAVE_SYS_PARAM_H |
| #include <sys/param.h> |
| #endif |
| |
| /* implement Glib's inline functions |
| */ |
| #define G_IMPLEMENT_INLINES 1 |
| #define __G_UTILS_C__ |
| #include "glib.h" |
| |
| #ifdef MAXPATHLEN |
| #define G_PATH_LENGTH MAXPATHLEN |
| #elif defined (PATH_MAX) |
| #define G_PATH_LENGTH PATH_MAX |
| #elif defined (_PC_PATH_MAX) |
| #define G_PATH_LENGTH sysconf(_PC_PATH_MAX) |
| #else |
| #define G_PATH_LENGTH 2048 |
| #endif |
| |
| #ifdef G_PLATFORM_WIN32 |
| # define STRICT /* Strict typing, please */ |
| # include <windows.h> |
| # undef STRICT |
| # include <ctype.h> |
| #endif /* G_PLATFORM_WIN32 */ |
| |
| #ifdef G_OS_WIN32 |
| # include <direct.h> |
| #endif |
| |
| #ifdef HAVE_CODESET |
| #include <langinfo.h> |
| #endif |
| |
| const guint glib_major_version = GLIB_MAJOR_VERSION; |
| const guint glib_minor_version = GLIB_MINOR_VERSION; |
| const guint glib_micro_version = GLIB_MICRO_VERSION; |
| const guint glib_interface_age = GLIB_INTERFACE_AGE; |
| const guint glib_binary_age = GLIB_BINARY_AGE; |
| |
| #if !defined (HAVE_MEMMOVE) && !defined (HAVE_WORKING_BCOPY) |
| void |
| g_memmove (gpointer dest, gconstpointer src, gulong len) |
| { |
| gchar* destptr = dest; |
| const gchar* srcptr = src; |
| if (src + len < dest || dest + len < src) |
| { |
| bcopy (src, dest, len); |
| return; |
| } |
| else if (dest <= src) |
| { |
| while (len--) |
| *(destptr++) = *(srcptr++); |
| } |
| else |
| { |
| destptr += len; |
| srcptr += len; |
| while (len--) |
| *(--destptr) = *(--srcptr); |
| } |
| } |
| #endif /* !HAVE_MEMMOVE && !HAVE_WORKING_BCOPY */ |
| |
| void |
| g_atexit (GVoidFunc func) |
| { |
| gint result; |
| const gchar *error = NULL; |
| |
| /* keep this in sync with glib.h */ |
| |
| #ifdef G_NATIVE_ATEXIT |
| result = ATEXIT (func); |
| if (result) |
| error = g_strerror (errno); |
| #elif defined (HAVE_ATEXIT) |
| # ifdef NeXT /* @#%@! NeXTStep */ |
| result = !atexit ((void (*)(void)) func); |
| if (result) |
| error = g_strerror (errno); |
| # else |
| result = atexit ((void (*)(void)) func); |
| if (result) |
| error = g_strerror (errno); |
| # endif /* NeXT */ |
| #elif defined (HAVE_ON_EXIT) |
| result = on_exit ((void (*)(int, void *)) func, NULL); |
| if (result) |
| error = g_strerror (errno); |
| #else |
| result = 0; |
| error = "no implementation"; |
| #endif /* G_NATIVE_ATEXIT */ |
| |
| if (error) |
| g_error ("Could not register atexit() function: %s", error); |
| } |
| |
| /* Based on execvp() from GNU Libc. |
| * Some of this code is cut-and-pasted into gspawn.c |
| */ |
| |
| static gchar* |
| my_strchrnul (const gchar *str, gchar c) |
| { |
| gchar *p = (gchar*)str; |
| while (*p && (*p != c)) |
| ++p; |
| |
| return p; |
| } |
| |
| #ifdef G_OS_WIN32 |
| |
| gchar *inner_find_program_in_path (const gchar *program); |
| |
| gchar* |
| g_find_program_in_path (const gchar *program) |
| { |
| const gchar *last_dot = strrchr (program, '.'); |
| |
| if (last_dot == NULL || strchr (last_dot, '\\') != NULL) |
| { |
| const gint program_length = strlen (program); |
| const gchar *pathext = getenv ("PATHEXT"); |
| const gchar *p; |
| gchar *decorated_program; |
| gchar *retval; |
| |
| if (pathext == NULL) |
| pathext = ".com;.exe;.bat"; |
| |
| p = pathext; |
| do |
| { |
| pathext = p; |
| p = my_strchrnul (pathext, ';'); |
| |
| decorated_program = g_malloc (program_length + (p-pathext) + 1); |
| memcpy (decorated_program, program, program_length); |
| memcpy (decorated_program+program_length, pathext, p-pathext); |
| decorated_program [program_length + (p-pathext)] = '\0'; |
| |
| retval = inner_find_program_in_path (decorated_program); |
| g_free (decorated_program); |
| |
| if (retval != NULL) |
| return retval; |
| } while (*p++ != '\0'); |
| return NULL; |
| } |
| else |
| return inner_find_program_in_path (program); |
| } |
| |
| #define g_find_program_in_path inner_find_program_in_path |
| #endif |
| |
| /** |
| * g_find_program_in_path: |
| * @program: a program name |
| * |
| * Locates the first executable named @program in the user's path, in the |
| * same way that execvp() would locate it. Returns an allocated string |
| * with the absolute path name, or NULL if the program is not found in |
| * the path. If @program is already an absolute path, returns a copy of |
| * @program if @program exists and is executable, and NULL otherwise. |
| * |
| * On Windows, if @program does not have a file type suffix, tries to |
| * append the suffixes in the PATHEXT environment variable (if that |
| * doesn't exists, the suffixes .com, .exe, and .bat) in turn, and |
| * then look for the resulting file name in the same way as |
| * CreateProcess() would. This means first in the directory where the |
| * program was loaded from, then in the current directory, then in the |
| * Windows 32-bit system directory, then in the Windows directory, and |
| * finally in the directories in the PATH environment variable. If |
| * the program is found, the return value contains the full name |
| * including the type suffix. |
| * |
| * Return value: absolute path, or NULL |
| **/ |
| gchar* |
| g_find_program_in_path (const gchar *program) |
| { |
| const gchar *path, *p; |
| gchar *name, *freeme; |
| #ifdef G_OS_WIN32 |
| gchar *path_tmp; |
| #endif |
| size_t len; |
| size_t pathlen; |
| |
| g_return_val_if_fail (program != NULL, NULL); |
| |
| /* If it is an absolute path, or a relative path including subdirectories, |
| * don't look in PATH. |
| */ |
| if (g_path_is_absolute (program) |
| || strchr (program, G_DIR_SEPARATOR) != NULL) |
| { |
| if (g_file_test (program, G_FILE_TEST_IS_EXECUTABLE)) |
| return g_strdup (program); |
| else |
| return NULL; |
| } |
| |
| path = g_getenv ("PATH"); |
| #ifdef G_OS_UNIX |
| if (path == NULL) |
| { |
| /* There is no `PATH' in the environment. The default |
| * search path in GNU libc is the current directory followed by |
| * the path `confstr' returns for `_CS_PATH'. |
| */ |
| |
| /* In GLib we put . last, for security, and don't use the |
| * unportable confstr(); UNIX98 does not actually specify |
| * what to search if PATH is unset. POSIX may, dunno. |
| */ |
| |
| path = "/bin:/usr/bin:."; |
| } |
| #else |
| { |
| gchar *tmp; |
| gchar moddir[MAXPATHLEN], sysdir[MAXPATHLEN], windir[MAXPATHLEN]; |
| |
| GetModuleFileName (NULL, moddir, sizeof (moddir)); |
| tmp = g_path_get_dirname (moddir); |
| GetSystemDirectory (sysdir, sizeof (sysdir)); |
| GetWindowsDirectory (windir, sizeof (windir)); |
| path_tmp = g_strconcat (tmp, ";.;", sysdir, ";", windir, |
| (path != NULL ? ";" : NULL), |
| (path != NULL ? path : NULL), |
| NULL); |
| g_free (tmp); |
| path = path_tmp; |
| } |
| #endif |
| |
| len = strlen (program) + 1; |
| pathlen = strlen (path); |
| freeme = name = g_malloc (pathlen + len + 1); |
| |
| /* Copy the file name at the top, including '\0' */ |
| memcpy (name + pathlen + 1, program, len); |
| name = name + pathlen; |
| /* And add the slash before the filename */ |
| *name = G_DIR_SEPARATOR; |
| |
| p = path; |
| do |
| { |
| char *startp; |
| |
| path = p; |
| p = my_strchrnul (path, G_SEARCHPATH_SEPARATOR); |
| |
| if (p == path) |
| /* Two adjacent colons, or a colon at the beginning or the end |
| * of `PATH' means to search the current directory. |
| */ |
| startp = name + 1; |
| else |
| startp = memcpy (name - (p - path), path, p - path); |
| |
| if (g_file_test (startp, G_FILE_TEST_IS_EXECUTABLE)) |
| { |
| gchar *ret; |
| ret = g_strdup (startp); |
| g_free (freeme); |
| #ifdef G_OS_WIN32 |
| g_free (path_tmp); |
| #endif |
| return ret; |
| } |
| } |
| while (*p++ != '\0'); |
| |
| g_free (freeme); |
| #ifdef G_OS_WIN32 |
| g_free (path_tmp); |
| #endif |
| |
| return NULL; |
| } |
| |
| gint |
| g_snprintf (gchar *str, |
| gulong n, |
| gchar const *fmt, |
| ...) |
| { |
| #ifdef HAVE_VSNPRINTF |
| va_list args; |
| gint retval; |
| |
| g_return_val_if_fail (str != NULL, 0); |
| g_return_val_if_fail (n > 0, 0); |
| g_return_val_if_fail (fmt != NULL, 0); |
| |
| va_start (args, fmt); |
| retval = vsnprintf (str, n, fmt, args); |
| va_end (args); |
| |
| if (retval < 0) |
| { |
| str[n-1] = '\0'; |
| retval = strlen (str); |
| } |
| |
| return retval; |
| #else /* !HAVE_VSNPRINTF */ |
| gchar *printed; |
| va_list args; |
| |
| g_return_val_if_fail (str != NULL, 0); |
| g_return_val_if_fail (n > 0, 0); |
| g_return_val_if_fail (fmt != NULL, 0); |
| |
| va_start (args, fmt); |
| printed = g_strdup_vprintf (fmt, args); |
| va_end (args); |
| |
| strncpy (str, printed, n); |
| str[n-1] = '\0'; |
| |
| g_free (printed); |
| |
| return strlen (str); |
| #endif /* !HAVE_VSNPRINTF */ |
| } |
| |
| gint |
| g_vsnprintf (gchar *str, |
| gulong n, |
| gchar const *fmt, |
| va_list args) |
| { |
| #ifdef HAVE_VSNPRINTF |
| gint retval; |
| |
| g_return_val_if_fail (str != NULL, 0); |
| g_return_val_if_fail (n > 0, 0); |
| g_return_val_if_fail (fmt != NULL, 0); |
| |
| retval = vsnprintf (str, n, fmt, args); |
| |
| if (retval < 0) |
| { |
| str[n-1] = '\0'; |
| retval = strlen (str); |
| } |
| |
| return retval; |
| #else /* !HAVE_VSNPRINTF */ |
| gchar *printed; |
| |
| g_return_val_if_fail (str != NULL, 0); |
| g_return_val_if_fail (n > 0, 0); |
| g_return_val_if_fail (fmt != NULL, 0); |
| |
| printed = g_strdup_vprintf (fmt, args); |
| strncpy (str, printed, n); |
| str[n-1] = '\0'; |
| |
| g_free (printed); |
| |
| return strlen (str); |
| #endif /* !HAVE_VSNPRINTF */ |
| } |
| |
| guint |
| g_parse_debug_string (const gchar *string, |
| const GDebugKey *keys, |
| guint nkeys) |
| { |
| guint i; |
| guint result = 0; |
| |
| g_return_val_if_fail (string != NULL, 0); |
| |
| if (!g_strcasecmp (string, "all")) |
| { |
| for (i=0; i<nkeys; i++) |
| result |= keys[i].value; |
| } |
| else |
| { |
| gchar *str = g_strdup (string); |
| gchar *p = str; |
| gchar *q; |
| gboolean done = FALSE; |
| |
| while (*p && !done) |
| { |
| q = strchr (p, ':'); |
| if (!q) |
| { |
| q = p + strlen(p); |
| done = TRUE; |
| } |
| |
| *q = 0; |
| |
| for (i=0; i<nkeys; i++) |
| if (!g_strcasecmp(keys[i].key, p)) |
| result |= keys[i].value; |
| |
| p = q+1; |
| } |
| |
| g_free (str); |
| } |
| |
| return result; |
| } |
| |
| G_CONST_RETURN gchar* |
| g_basename (const gchar *file_name) |
| { |
| register gchar *base; |
| #if defined(G_ENABLE_DEBUG) && !defined(G_OS_WIN32) |
| static gboolean first_call = TRUE; |
| |
| if (first_call) |
| { |
| g_message ("g_basename is deprecated. Use g_path_get_basename instead. " |
| "Beware that the string returned by g_path_get_basename() has " |
| " to be g_free()ed."); |
| first_call = FALSE; |
| } |
| #endif /* G_ENABLE_DEBUG */ |
| |
| g_return_val_if_fail (file_name != NULL, NULL); |
| |
| base = strrchr (file_name, G_DIR_SEPARATOR); |
| if (base) |
| return base + 1; |
| |
| #ifdef G_OS_WIN32 |
| if (isalpha (file_name[0]) && file_name[1] == ':') |
| return (gchar*) file_name + 2; |
| #endif /* G_OS_WIN32 */ |
| |
| return (gchar*) file_name; |
| } |
| |
| gchar* |
| g_path_get_basename (const gchar *file_name) |
| { |
| register gint base; |
| register gint last_nonslash; |
| guint len; |
| gchar *retval; |
| |
| g_return_val_if_fail (file_name != NULL, NULL); |
| |
| if (file_name[0] == '\0') |
| /* empty string */ |
| return g_strdup ("."); |
| |
| last_nonslash = strlen (file_name) - 1; |
| |
| while (last_nonslash >= 0 && file_name [last_nonslash] == G_DIR_SEPARATOR) |
| last_nonslash--; |
| |
| if (last_nonslash == -1) |
| /* string only containing slashes */ |
| return g_strdup (G_DIR_SEPARATOR_S); |
| |
| #ifdef G_OS_WIN32 |
| if (last_nonslash == 1 && isalpha (file_name[0]) && file_name[1] == ':') |
| /* string only containing slashes and a drive */ |
| return g_strdup (G_DIR_SEPARATOR_S); |
| #endif /* G_OS_WIN32 */ |
| |
| base = last_nonslash; |
| |
| while (base >=0 && file_name [base] != G_DIR_SEPARATOR) |
| base--; |
| |
| #ifdef G_OS_WIN32 |
| if (base == -1 && isalpha (file_name[0]) && file_name[1] == ':') |
| base = 1; |
| #endif /* G_OS_WIN32 */ |
| |
| len = last_nonslash - base; |
| retval = g_malloc (len + 1); |
| memcpy (retval, file_name + base + 1, len); |
| retval [len] = '\0'; |
| return retval; |
| } |
| |
| gboolean |
| g_path_is_absolute (const gchar *file_name) |
| { |
| g_return_val_if_fail (file_name != NULL, FALSE); |
| |
| if (file_name[0] == G_DIR_SEPARATOR) |
| return TRUE; |
| |
| #ifdef G_OS_WIN32 |
| /* Recognize drive letter on native Windows */ |
| if (isalpha (file_name[0]) && file_name[1] == ':' && file_name[2] == G_DIR_SEPARATOR) |
| return TRUE; |
| #endif /* G_OS_WIN32 */ |
| |
| return FALSE; |
| } |
| |
| G_CONST_RETURN gchar* |
| g_path_skip_root (const gchar *file_name) |
| { |
| g_return_val_if_fail (file_name != NULL, NULL); |
| |
| #ifdef G_PLATFORM_WIN32 |
| /* Skip \\server\share (Win32) or //server/share (Cygwin) */ |
| if (file_name[0] == G_DIR_SEPARATOR && |
| file_name[1] == G_DIR_SEPARATOR && |
| file_name[2]) |
| { |
| gchar *p; |
| |
| if ((p = strchr (file_name + 2, G_DIR_SEPARATOR)) > file_name + 2 && |
| p[1]) |
| { |
| file_name = p + 1; |
| |
| while (file_name[0] && file_name[0] != G_DIR_SEPARATOR) |
| file_name++; |
| |
| /* Possibly skip a backslash after the share name */ |
| if (file_name[0] == G_DIR_SEPARATOR) |
| file_name++; |
| |
| return (gchar *)file_name; |
| } |
| } |
| #endif |
| |
| /* Skip initial slashes */ |
| if (file_name[0] == G_DIR_SEPARATOR) |
| { |
| while (file_name[0] == G_DIR_SEPARATOR) |
| file_name++; |
| return (gchar *)file_name; |
| } |
| |
| #ifdef G_OS_WIN32 |
| /* Skip X:\ */ |
| if (isalpha (file_name[0]) && file_name[1] == ':' && file_name[2] == G_DIR_SEPARATOR) |
| return (gchar *)file_name + 3; |
| #endif |
| |
| return NULL; |
| } |
| |
| gchar* |
| g_path_get_dirname (const gchar *file_name) |
| { |
| register gchar *base; |
| register guint len; |
| |
| g_return_val_if_fail (file_name != NULL, NULL); |
| |
| base = strrchr (file_name, G_DIR_SEPARATOR); |
| if (!base) |
| return g_strdup ("."); |
| while (base > file_name && *base == G_DIR_SEPARATOR) |
| base--; |
| len = (guint) 1 + base - file_name; |
| |
| base = g_new (gchar, len + 1); |
| g_memmove (base, file_name, len); |
| base[len] = 0; |
| |
| return base; |
| } |
| |
| gchar* |
| g_dirname (const gchar *file_name) |
| { |
| #if defined(G_ENABLE_DEBUG) && !defined(G_OS_WIN32) |
| static gboolean first_call = TRUE; |
| |
| if (first_call) |
| { |
| g_message ("g_dirname() is deprecated. Use g_path_get_dirname() instead."); |
| first_call = FALSE; |
| } |
| #endif /* G_ENABLE_DEBUG */ |
| |
| return g_path_get_dirname (file_name); |
| } |
| |
| gchar* |
| g_get_current_dir (void) |
| { |
| gchar *buffer = NULL; |
| gchar *dir = NULL; |
| static gulong max_len = 0; |
| |
| if (max_len == 0) |
| max_len = (G_PATH_LENGTH == -1) ? 2048 : G_PATH_LENGTH; |
| |
| /* We don't use getcwd(3) on SUNOS, because, it does a popen("pwd") |
| * and, if that wasn't bad enough, hangs in doing so. |
| */ |
| #if (defined (sun) && !defined (__SVR4)) || !defined(HAVE_GETCWD) |
| buffer = g_new (gchar, max_len + 1); |
| *buffer = 0; |
| dir = getwd (buffer); |
| #else /* !sun || !HAVE_GETCWD */ |
| while (max_len < G_MAXULONG / 2) |
| { |
| buffer = g_new (gchar, max_len + 1); |
| *buffer = 0; |
| dir = getcwd (buffer, max_len); |
| |
| if (dir || errno != ERANGE) |
| break; |
| |
| g_free (buffer); |
| max_len *= 2; |
| } |
| #endif /* !sun || !HAVE_GETCWD */ |
| |
| if (!dir || !*buffer) |
| { |
| /* hm, should we g_error() out here? |
| * this can happen if e.g. "./" has mode \0000 |
| */ |
| buffer[0] = G_DIR_SEPARATOR; |
| buffer[1] = 0; |
| } |
| |
| dir = g_strdup (buffer); |
| g_free (buffer); |
| |
| return dir; |
| } |
| |
| G_CONST_RETURN gchar* |
| g_getenv (const gchar *variable) |
| { |
| #ifndef G_OS_WIN32 |
| g_return_val_if_fail (variable != NULL, NULL); |
| |
| return getenv (variable); |
| #else |
| G_LOCK_DEFINE_STATIC (getenv); |
| struct env_struct |
| { |
| gchar *key; |
| gchar *value; |
| } *env; |
| static GArray *environs = NULL; |
| gchar *system_env; |
| guint length, i; |
| gchar dummy[2]; |
| |
| g_return_val_if_fail (variable != NULL, NULL); |
| |
| G_LOCK (getenv); |
| |
| if (!environs) |
| environs = g_array_new (FALSE, FALSE, sizeof (struct env_struct)); |
| |
| /* First we try to find the envinronment variable inside the already |
| * found ones. |
| */ |
| |
| for (i = 0; i < environs->len; i++) |
| { |
| env = &g_array_index (environs, struct env_struct, i); |
| if (strcmp (env->key, variable) == 0) |
| { |
| g_assert (env->value); |
| G_UNLOCK (getenv); |
| return env->value; |
| } |
| } |
| |
| /* If not found, we ask the system */ |
| |
| system_env = getenv (variable); |
| if (!system_env) |
| { |
| G_UNLOCK (getenv); |
| return NULL; |
| } |
| |
| /* On Windows NT, it is relatively typical that environment variables |
| * contain references to other environment variables. Handle that by |
| * calling ExpandEnvironmentStrings. |
| */ |
| |
| g_array_set_size (environs, environs->len + 1); |
| |
| env = &g_array_index (environs, struct env_struct, environs->len - 1); |
| |
| /* First check how much space we need */ |
| length = ExpandEnvironmentStrings (system_env, dummy, 2); |
| |
| /* Then allocate that much, and actualy do the expansion and insert |
| * the new found pair into our buffer |
| */ |
| |
| env->value = g_malloc (length); |
| env->key = g_strdup (variable); |
| |
| ExpandEnvironmentStrings (system_env, env->value, length); |
| |
| G_UNLOCK (getenv); |
| return env->value; |
| #endif |
| } |
| |
| |
| G_LOCK_DEFINE_STATIC (g_utils_global); |
| |
| static gchar *g_tmp_dir = NULL; |
| static gchar *g_user_name = NULL; |
| static gchar *g_real_name = NULL; |
| static gchar *g_home_dir = NULL; |
| |
| /* HOLDS: g_utils_global_lock */ |
| static void |
| g_get_any_init (void) |
| { |
| if (!g_tmp_dir) |
| { |
| g_tmp_dir = g_strdup (g_getenv ("TMPDIR")); |
| if (!g_tmp_dir) |
| g_tmp_dir = g_strdup (g_getenv ("TMP")); |
| if (!g_tmp_dir) |
| g_tmp_dir = g_strdup (g_getenv ("TEMP")); |
| |
| #ifdef P_tmpdir |
| if (!g_tmp_dir) |
| { |
| int k; |
| g_tmp_dir = g_strdup (P_tmpdir); |
| k = strlen (g_tmp_dir); |
| if (g_tmp_dir[k-1] == G_DIR_SEPARATOR) |
| g_tmp_dir[k-1] = '\0'; |
| } |
| #endif |
| |
| if (!g_tmp_dir) |
| { |
| #ifndef G_OS_WIN32 |
| g_tmp_dir = g_strdup ("/tmp"); |
| #else /* G_OS_WIN32 */ |
| g_tmp_dir = g_strdup ("C:\\"); |
| #endif /* G_OS_WIN32 */ |
| } |
| |
| if (!g_home_dir) |
| g_home_dir = g_strdup (g_getenv ("HOME")); |
| |
| #ifdef G_OS_WIN32 |
| /* In case HOME is Unix-style (it happens), convert it to |
| * Windows style. |
| */ |
| if (g_home_dir) |
| { |
| gchar *p; |
| while ((p = strchr (g_home_dir, '/')) != NULL) |
| *p = '\\'; |
| } |
| |
| if (!g_home_dir) |
| { |
| /* USERPROFILE is probably the closest equivalent to $HOME? */ |
| if (getenv ("USERPROFILE") != NULL) |
| g_home_dir = g_strdup (g_getenv ("USERPROFILE")); |
| } |
| |
| if (!g_home_dir) |
| { |
| /* At least at some time, HOMEDRIVE and HOMEPATH were used |
| * to point to the home directory, I think. But on Windows |
| * 2000 HOMEDRIVE seems to be equal to SYSTEMDRIVE, and |
| * HOMEPATH is its root "\"? |
| */ |
| if (getenv ("HOMEDRIVE") != NULL && getenv ("HOMEPATH") != NULL) |
| { |
| gchar *homedrive, *homepath; |
| |
| homedrive = g_strdup (g_getenv ("HOMEDRIVE")); |
| homepath = g_strdup (g_getenv ("HOMEPATH")); |
| |
| g_home_dir = g_strconcat (homedrive, homepath, NULL); |
| g_free (homedrive); |
| g_free (homepath); |
| } |
| } |
| #endif /* G_OS_WIN32 */ |
| |
| #ifdef HAVE_PWD_H |
| { |
| struct passwd *pw = NULL; |
| gpointer buffer = NULL; |
| |
| # if defined (HAVE_POSIX_GETPWUID_R) || defined (HAVE_NONPOSIX_GETPWUID_R) |
| struct passwd pwd; |
| # ifdef _SC_GETPW_R_SIZE_MAX |
| /* This reurns the maximum length */ |
| guint bufsize = sysconf (_SC_GETPW_R_SIZE_MAX); |
| # else /* _SC_GETPW_R_SIZE_MAX */ |
| guint bufsize = 64; |
| # endif /* _SC_GETPW_R_SIZE_MAX */ |
| gint error; |
| |
| do |
| { |
| g_free (buffer); |
| buffer = g_malloc (bufsize); |
| errno = 0; |
| |
| # ifdef HAVE_POSIX_GETPWUID_R |
| error = getpwuid_r (getuid (), &pwd, buffer, bufsize, &pw); |
| error = error < 0 ? errno : error; |
| # else /* HAVE_NONPOSIX_GETPWUID_R */ |
| # ifdef _AIX |
| error = getpwuid_r (getuid (), &pwd, buffer, bufsize); |
| pw = error == 0 ? &pwd : NULL; |
| # else /* !_AIX */ |
| pw = getpwuid_r (getuid (), &pwd, buffer, bufsize); |
| error = pw ? 0 : errno; |
| # endif /* !_AIX */ |
| # endif /* HAVE_NONPOSIX_GETPWUID_R */ |
| |
| if (!pw) |
| { |
| /* we bail out prematurely if the user id can't be found |
| * (should be pretty rare case actually), or if the buffer |
| * should be sufficiently big and lookups are still not |
| * successfull. |
| */ |
| if (error == 0 || error == ENOENT) |
| { |
| g_warning ("getpwuid_r(): failed due to unknown user id (%lu)", |
| (gulong) getuid ()); |
| break; |
| } |
| if (bufsize > 32 * 1024) |
| { |
| g_warning ("getpwuid_r(): failed due to: %s.", |
| g_strerror (error)); |
| break; |
| } |
| |
| bufsize *= 2; |
| } |
| } |
| while (!pw); |
| # endif /* HAVE_POSIX_GETPWUID_R || HAVE_NONPOSIX_GETPWUID_R */ |
| |
| if (!pw) |
| { |
| setpwent (); |
| pw = getpwuid (getuid ()); |
| endpwent (); |
| } |
| if (pw) |
| { |
| g_user_name = g_strdup (pw->pw_name); |
| g_real_name = g_strdup (pw->pw_gecos); |
| if (!g_home_dir) |
| g_home_dir = g_strdup (pw->pw_dir); |
| } |
| g_free (buffer); |
| } |
| |
| #else /* !HAVE_PWD_H */ |
| |
| # ifdef G_OS_WIN32 |
| { |
| guint len = 17; |
| gchar buffer[17]; |
| |
| if (GetUserName ((LPTSTR) buffer, (LPDWORD) &len)) |
| { |
| g_user_name = g_strdup (buffer); |
| g_real_name = g_strdup (buffer); |
| } |
| } |
| # endif /* G_OS_WIN32 */ |
| |
| #endif /* !HAVE_PWD_H */ |
| |
| #ifdef __EMX__ |
| /* change '\\' in %HOME% to '/' */ |
| g_strdelimit (g_home_dir, "\\",'/'); |
| #endif |
| if (!g_user_name) |
| g_user_name = g_strdup ("somebody"); |
| if (!g_real_name) |
| g_real_name = g_strdup ("Unknown"); |
| else |
| { |
| gchar *p; |
| |
| for (p = g_real_name; *p; p++) |
| if (*p == ',') |
| { |
| *p = 0; |
| p = g_strdup (g_real_name); |
| g_free (g_real_name); |
| g_real_name = p; |
| break; |
| } |
| } |
| } |
| } |
| |
| G_CONST_RETURN gchar* |
| g_get_user_name (void) |
| { |
| G_LOCK (g_utils_global); |
| if (!g_tmp_dir) |
| g_get_any_init (); |
| G_UNLOCK (g_utils_global); |
| |
| return g_user_name; |
| } |
| |
| G_CONST_RETURN gchar* |
| g_get_real_name (void) |
| { |
| G_LOCK (g_utils_global); |
| if (!g_tmp_dir) |
| g_get_any_init (); |
| G_UNLOCK (g_utils_global); |
| |
| return g_real_name; |
| } |
| |
| /* Return the home directory of the user. If there is a HOME |
| * environment variable, its value is returned, otherwise use some |
| * system-dependent way of finding it out. If no home directory can be |
| * deduced, return NULL. |
| */ |
| |
| G_CONST_RETURN gchar* |
| g_get_home_dir (void) |
| { |
| G_LOCK (g_utils_global); |
| if (!g_tmp_dir) |
| g_get_any_init (); |
| G_UNLOCK (g_utils_global); |
| |
| return g_home_dir; |
| } |
| |
| /* Return a directory to be used to store temporary files. This is the |
| * value of the TMPDIR, TMP or TEMP environment variables (they are |
| * checked in that order). If none of those exist, use P_tmpdir from |
| * stdio.h. If that isn't defined, return "/tmp" on POSIXly systems, |
| * and C:\ on Windows. |
| */ |
| |
| G_CONST_RETURN gchar* |
| g_get_tmp_dir (void) |
| { |
| G_LOCK (g_utils_global); |
| if (!g_tmp_dir) |
| g_get_any_init (); |
| G_UNLOCK (g_utils_global); |
| |
| return g_tmp_dir; |
| } |
| |
| static gchar *g_prgname = NULL; |
| |
| gchar* |
| g_get_prgname (void) |
| { |
| gchar* retval; |
| |
| G_LOCK (g_utils_global); |
| retval = g_prgname; |
| G_UNLOCK (g_utils_global); |
| |
| return retval; |
| } |
| |
| void |
| g_set_prgname (const gchar *prgname) |
| { |
| gchar *c; |
| |
| G_LOCK (g_utils_global); |
| c = g_prgname; |
| g_prgname = g_strdup (prgname); |
| g_free (c); |
| G_UNLOCK (g_utils_global); |
| } |
| |
| guint |
| g_direct_hash (gconstpointer v) |
| { |
| return GPOINTER_TO_UINT (v); |
| } |
| |
| gboolean |
| g_direct_equal (gconstpointer v1, |
| gconstpointer v2) |
| { |
| return v1 == v2; |
| } |
| |
| gboolean |
| g_int_equal (gconstpointer v1, |
| gconstpointer v2) |
| { |
| return *((const gint*) v1) == *((const gint*) v2); |
| } |
| |
| guint |
| g_int_hash (gconstpointer v) |
| { |
| return *(const gint*) v; |
| } |
| |
| /** |
| * g_get_codeset: |
| * |
| * Get the codeset for the current locale. |
| * |
| * Return value: a newly allocated string containing the name |
| * of the codeset. This string must be freed with g_free(). |
| **/ |
| gchar * |
| g_get_codeset (void) |
| { |
| #ifdef HAVE_CODESET |
| char *result = nl_langinfo (CODESET); |
| return g_strdup (result); |
| #else |
| #ifdef G_PLATFORM_WIN32 |
| return g_strdup_printf ("CP%d", GetACP ()); |
| #else |
| /* FIXME: Do something more intelligent based on setlocale (LC_CTYPE, NULL) |
| */ |
| return g_strdup ("ISO-8859-1"); |
| #endif |
| #endif |
| } |
| |
| #ifdef ENABLE_NLS |
| |
| #include <libintl.h> |
| |
| |
| #ifndef GLIB_LOCALE_DIR |
| #ifdef G_PLATFORM_WIN32 |
| |
| #define GLIB_LOCALE_DIR \ |
| g_win32_get_package_installation_subdirectory \ |
| (GETTEXT_PACKAGE, g_strdup_printf ("glib-%d.%d.dll", \ |
| GLIB_MAJOR_VERSION, \ |
| GLIB_MINOR_VERSION), \ |
| "locale") |
| |
| #endif /* G_PLATFORM_WIN32 */ |
| #endif /* !GLIB_LOCALE_DIR */ |
| |
| G_CONST_RETURN gchar * |
| _glib_gettext (const gchar *str) |
| { |
| gboolean _glib_gettext_initialized = FALSE; |
| |
| if (!_glib_gettext_initialized) |
| { |
| bindtextdomain(GETTEXT_PACKAGE, GLIB_LOCALE_DIR); |
| _glib_gettext_initialized = TRUE; |
| } |
| |
| return dgettext (GETTEXT_PACKAGE, str); |
| } |
| |
| #endif /* ENABLE_NLS */ |
| |
| |