| /* Decomposed printf argument list. |
| Copyright (C) 1999, 2002-2003, 2006-2007, 2011-2016 Free Software |
| Foundation, Inc. |
| |
| This program 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 2.1, or (at your option) |
| any later version. |
| |
| This program 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 program; if not, see <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef _PRINTF_ARGS_H |
| #define _PRINTF_ARGS_H |
| |
| /* This file can be parametrized with the following macros: |
| ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions. |
| PRINTF_FETCHARGS Name of the function to be declared. |
| STATIC Set to 'static' to declare the function static. */ |
| |
| /* Default parameters. */ |
| #ifndef PRINTF_FETCHARGS |
| # define PRINTF_FETCHARGS printf_fetchargs |
| #endif |
| |
| /* Get size_t. */ |
| #include <stddef.h> |
| |
| /* Get wchar_t. */ |
| #if HAVE_WCHAR_T |
| # include <stddef.h> |
| #endif |
| |
| /* Get wint_t. */ |
| #if HAVE_WINT_T |
| # include <wchar.h> |
| #endif |
| |
| /* Get va_list. */ |
| #include <stdarg.h> |
| |
| |
| /* Argument types */ |
| typedef enum |
| { |
| TYPE_NONE, |
| TYPE_SCHAR, |
| TYPE_UCHAR, |
| TYPE_SHORT, |
| TYPE_USHORT, |
| TYPE_INT, |
| TYPE_UINT, |
| TYPE_LONGINT, |
| TYPE_ULONGINT, |
| #if HAVE_LONG_LONG |
| TYPE_LONGLONGINT, |
| TYPE_ULONGLONGINT, |
| #endif |
| TYPE_DOUBLE, |
| TYPE_LONGDOUBLE, |
| TYPE_CHAR, |
| #if HAVE_WINT_T |
| TYPE_WIDE_CHAR, |
| #endif |
| TYPE_STRING, |
| #if HAVE_WCHAR_T |
| TYPE_WIDE_STRING, |
| #endif |
| TYPE_POINTER, |
| TYPE_COUNT_SCHAR_POINTER, |
| TYPE_COUNT_SHORT_POINTER, |
| TYPE_COUNT_INT_POINTER, |
| TYPE_COUNT_LONGINT_POINTER |
| #if HAVE_LONG_LONG |
| , TYPE_COUNT_LONGLONGINT_POINTER |
| #endif |
| #if ENABLE_UNISTDIO |
| /* The unistdio extensions. */ |
| , TYPE_U8_STRING |
| , TYPE_U16_STRING |
| , TYPE_U32_STRING |
| #endif |
| } arg_type; |
| |
| /* Polymorphic argument */ |
| typedef struct |
| { |
| arg_type type; |
| union |
| { |
| signed char a_schar; |
| unsigned char a_uchar; |
| short a_short; |
| unsigned short a_ushort; |
| int a_int; |
| unsigned int a_uint; |
| long int a_longint; |
| unsigned long int a_ulongint; |
| #if HAVE_LONG_LONG |
| long long int a_longlongint; |
| unsigned long long int a_ulonglongint; |
| #endif |
| float a_float; |
| double a_double; |
| long double a_longdouble; |
| int a_char; |
| #if HAVE_WINT_T |
| wint_t a_wide_char; |
| #endif |
| const char* a_string; |
| #if HAVE_WCHAR_T |
| const wchar_t* a_wide_string; |
| #endif |
| void* a_pointer; |
| signed char * a_count_schar_pointer; |
| short * a_count_short_pointer; |
| int * a_count_int_pointer; |
| long int * a_count_longint_pointer; |
| #if HAVE_LONG_LONG |
| long long int * a_count_longlongint_pointer; |
| #endif |
| #if ENABLE_UNISTDIO |
| /* The unistdio extensions. */ |
| const uint8_t * a_u8_string; |
| const uint16_t * a_u16_string; |
| const uint32_t * a_u32_string; |
| #endif |
| } |
| a; |
| } |
| argument; |
| |
| /* Number of directly allocated arguments (no malloc() needed). */ |
| #define N_DIRECT_ALLOC_ARGUMENTS 7 |
| |
| typedef struct |
| { |
| size_t count; |
| argument *arg; |
| argument direct_alloc_arg[N_DIRECT_ALLOC_ARGUMENTS]; |
| } |
| arguments; |
| |
| |
| /* Fetch the arguments, putting them into a. */ |
| #ifdef STATIC |
| STATIC |
| #else |
| extern |
| #endif |
| int PRINTF_FETCHARGS (va_list args, arguments *a); |
| |
| #endif /* _PRINTF_ARGS_H */ |