| /* Decomposed printf argument list. |
| Copyright (C) 1999, 2002-2003, 2005-2007, 2009-2013 Free Software |
| Foundation, Inc. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3, 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 General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License along |
| with this program; if not, see <http://www.gnu.org/licenses/>. */ |
| |
| /* 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 defined. |
| STATIC Set to 'static' to declare the function static. */ |
| |
| #ifndef PRINTF_FETCHARGS |
| # include <config.h> |
| #endif |
| |
| /* Specification. */ |
| #ifndef PRINTF_FETCHARGS |
| # include "printf-args.h" |
| #endif |
| |
| #ifdef STATIC |
| STATIC |
| #endif |
| int |
| PRINTF_FETCHARGS (va_list args, arguments *a) |
| { |
| size_t i; |
| argument *ap; |
| |
| for (i = 0, ap = &a->arg[0]; i < a->count; i++, ap++) |
| switch (ap->type) |
| { |
| case TYPE_SCHAR: |
| ap->a.a_schar = va_arg (args, /*signed char*/ int); |
| break; |
| case TYPE_UCHAR: |
| ap->a.a_uchar = va_arg (args, /*unsigned char*/ int); |
| break; |
| case TYPE_SHORT: |
| ap->a.a_short = va_arg (args, /*short*/ int); |
| break; |
| case TYPE_USHORT: |
| ap->a.a_ushort = va_arg (args, /*unsigned short*/ int); |
| break; |
| case TYPE_INT: |
| ap->a.a_int = va_arg (args, int); |
| break; |
| case TYPE_UINT: |
| ap->a.a_uint = va_arg (args, unsigned int); |
| break; |
| case TYPE_LONGINT: |
| ap->a.a_longint = va_arg (args, long int); |
| break; |
| case TYPE_ULONGINT: |
| ap->a.a_ulongint = va_arg (args, unsigned long int); |
| break; |
| #if HAVE_LONG_LONG_INT |
| case TYPE_LONGLONGINT: |
| ap->a.a_longlongint = va_arg (args, long long int); |
| break; |
| case TYPE_ULONGLONGINT: |
| ap->a.a_ulonglongint = va_arg (args, unsigned long long int); |
| break; |
| #endif |
| case TYPE_DOUBLE: |
| ap->a.a_double = va_arg (args, double); |
| break; |
| case TYPE_LONGDOUBLE: |
| ap->a.a_longdouble = va_arg (args, long double); |
| break; |
| case TYPE_CHAR: |
| ap->a.a_char = va_arg (args, int); |
| break; |
| #if HAVE_WINT_T |
| case TYPE_WIDE_CHAR: |
| /* Although ISO C 99 7.24.1.(2) says that wint_t is "unchanged by |
| default argument promotions", this is not the case in mingw32, |
| where wint_t is 'unsigned short'. */ |
| ap->a.a_wide_char = |
| (sizeof (wint_t) < sizeof (int) |
| ? (wint_t) va_arg (args, int) |
| : va_arg (args, wint_t)); |
| break; |
| #endif |
| case TYPE_STRING: |
| ap->a.a_string = va_arg (args, const char *); |
| /* A null pointer is an invalid argument for "%s", but in practice |
| it occurs quite frequently in printf statements that produce |
| debug output. Use a fallback in this case. */ |
| if (ap->a.a_string == NULL) |
| ap->a.a_string = "(NULL)"; |
| break; |
| #if HAVE_WCHAR_T |
| case TYPE_WIDE_STRING: |
| ap->a.a_wide_string = va_arg (args, const wchar_t *); |
| /* A null pointer is an invalid argument for "%ls", but in practice |
| it occurs quite frequently in printf statements that produce |
| debug output. Use a fallback in this case. */ |
| if (ap->a.a_wide_string == NULL) |
| { |
| static const wchar_t wide_null_string[] = |
| { |
| (wchar_t)'(', |
| (wchar_t)'N', (wchar_t)'U', (wchar_t)'L', (wchar_t)'L', |
| (wchar_t)')', |
| (wchar_t)0 |
| }; |
| ap->a.a_wide_string = wide_null_string; |
| } |
| break; |
| #endif |
| case TYPE_POINTER: |
| ap->a.a_pointer = va_arg (args, void *); |
| break; |
| case TYPE_COUNT_SCHAR_POINTER: |
| ap->a.a_count_schar_pointer = va_arg (args, signed char *); |
| break; |
| case TYPE_COUNT_SHORT_POINTER: |
| ap->a.a_count_short_pointer = va_arg (args, short *); |
| break; |
| case TYPE_COUNT_INT_POINTER: |
| ap->a.a_count_int_pointer = va_arg (args, int *); |
| break; |
| case TYPE_COUNT_LONGINT_POINTER: |
| ap->a.a_count_longint_pointer = va_arg (args, long int *); |
| break; |
| #if HAVE_LONG_LONG_INT |
| case TYPE_COUNT_LONGLONGINT_POINTER: |
| ap->a.a_count_longlongint_pointer = va_arg (args, long long int *); |
| break; |
| #endif |
| #if ENABLE_UNISTDIO |
| /* The unistdio extensions. */ |
| case TYPE_U8_STRING: |
| ap->a.a_u8_string = va_arg (args, const uint8_t *); |
| /* A null pointer is an invalid argument for "%U", but in practice |
| it occurs quite frequently in printf statements that produce |
| debug output. Use a fallback in this case. */ |
| if (ap->a.a_u8_string == NULL) |
| { |
| static const uint8_t u8_null_string[] = |
| { '(', 'N', 'U', 'L', 'L', ')', 0 }; |
| ap->a.a_u8_string = u8_null_string; |
| } |
| break; |
| case TYPE_U16_STRING: |
| ap->a.a_u16_string = va_arg (args, const uint16_t *); |
| /* A null pointer is an invalid argument for "%lU", but in practice |
| it occurs quite frequently in printf statements that produce |
| debug output. Use a fallback in this case. */ |
| if (ap->a.a_u16_string == NULL) |
| { |
| static const uint16_t u16_null_string[] = |
| { '(', 'N', 'U', 'L', 'L', ')', 0 }; |
| ap->a.a_u16_string = u16_null_string; |
| } |
| break; |
| case TYPE_U32_STRING: |
| ap->a.a_u32_string = va_arg (args, const uint32_t *); |
| /* A null pointer is an invalid argument for "%llU", but in practice |
| it occurs quite frequently in printf statements that produce |
| debug output. Use a fallback in this case. */ |
| if (ap->a.a_u32_string == NULL) |
| { |
| static const uint32_t u32_null_string[] = |
| { '(', 'N', 'U', 'L', 'L', ')', 0 }; |
| ap->a.a_u32_string = u32_null_string; |
| } |
| break; |
| #endif |
| default: |
| /* Unknown type. */ |
| return -1; |
| } |
| return 0; |
| } |