/* Decomposed printf argument list. Copyright (C) 1999, 2002-2003, 2005-2006 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2, 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include /* Specification. */ #include "printf-args.h" #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; #ifdef 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; #ifdef HAVE_LONG_DOUBLE case TYPE_LONGDOUBLE: ap->a.a_longdouble = va_arg (args, long double); break; #endif case TYPE_CHAR: ap->a.a_char = va_arg (args, int); break; #ifdef 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) ? 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; #ifdef 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; #ifdef HAVE_LONG_LONG_INT case TYPE_COUNT_LONGLONGINT_POINTER: ap->a.a_count_longlongint_pointer = va_arg (args, long long int *); break; #endif default: /* Unknown type. */ return -1; } return 0; }
