intl/printf-args.h

   1 /* Decomposed printf argument list.
   2    Copyright (C) 1999, 2002-2003 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify it
   5    under the terms of the GNU Library General Public License as published
   6    by the Free Software Foundation; either version 2, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with this program; if not, write to the Free Software
  16    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  17    USA.  */
  18
  19 #ifndef _PRINTF_ARGS_H
  20 #define _PRINTF_ARGS_H
  21
  22 /* Get size_t.  */
  23 #include <stddef.h>
  24
  25 /* Get wchar_t.  */
  26 #ifdef HAVE_WCHAR_T
  27 # include <stddef.h>
  28 #endif
  29
  30 /* Get wint_t.  */
  31 #ifdef HAVE_WINT_T
  32 # include <wchar.h>
  33 #endif
  34
  35 /* Get va_list.  */
  36 #include <stdarg.h>
  37
  38
  39 /* Argument types */
  40 typedef enum
  41 {
  42   TYPE_NONE,
  43   TYPE_SCHAR,
  44   TYPE_UCHAR,
  45   TYPE_SHORT,
  46   TYPE_USHORT,
  47   TYPE_INT,
  48   TYPE_UINT,
  49   TYPE_LONGINT,
  50   TYPE_ULONGINT,
  51 #ifdef HAVE_LONG_LONG
  52   TYPE_LONGLONGINT,
  53   TYPE_ULONGLONGINT,
  54 #endif
  55   TYPE_DOUBLE,
  56 #ifdef HAVE_LONG_DOUBLE
  57   TYPE_LONGDOUBLE,
  58 #endif
  59   TYPE_CHAR,
  60 #ifdef HAVE_WINT_T
  61   TYPE_WIDE_CHAR,
  62 #endif
  63   TYPE_STRING,
  64 #ifdef HAVE_WCHAR_T
  65   TYPE_WIDE_STRING,
  66 #endif
  67   TYPE_POINTER,
  68   TYPE_COUNT_SCHAR_POINTER,
  69   TYPE_COUNT_SHORT_POINTER,
  70   TYPE_COUNT_INT_POINTER,
  71   TYPE_COUNT_LONGINT_POINTER
  72 #ifdef HAVE_LONG_LONG
  73 , TYPE_COUNT_LONGLONGINT_POINTER
  74 #endif
  75 } arg_type;
  76
  77 /* Polymorphic argument */
  78 typedef struct
  79 {
  80   arg_type type;
  81   union
  82   {
  83     signed char                 a_schar;
  84     unsigned char               a_uchar;
  85     short                       a_short;
  86     unsigned short              a_ushort;
  87     int                         a_int;
  88     unsigned int                a_uint;
  89     long int                    a_longint;
  90     unsigned long int           a_ulongint;
  91 #ifdef HAVE_LONG_LONG
  92     long long int               a_longlongint;
  93     unsigned long long int      a_ulonglongint;
  94 #endif
  95     float                       a_float;
  96     double                      a_double;
  97 #ifdef HAVE_LONG_DOUBLE
  98     long double                 a_longdouble;
  99 #endif
 100     int                         a_char;
 101 #ifdef HAVE_WINT_T
 102     wint_t                      a_wide_char;
 103 #endif
 104     const char*                 a_string;
 105 #ifdef HAVE_WCHAR_T
 106     const wchar_t*              a_wide_string;
 107 #endif
 108     void*                       a_pointer;
 109     signed char *               a_count_schar_pointer;
 110     short *                     a_count_short_pointer;
 111     int *                       a_count_int_pointer;
 112     long int *                  a_count_longint_pointer;
 113 #ifdef HAVE_LONG_LONG
 114     long long int *             a_count_longlongint_pointer;
 115 #endif
 116   }
 117   a;
 118 }
 119 argument;
 120
 121 typedef struct
 122 {
 123   size_t count;
 124   argument *arg;
 125 }
 126 arguments;
 127
 128
 129 /* Fetch the arguments, putting them into a. */
 130 #ifdef STATIC
 131 STATIC
 132 #else
 133 extern
 134 #endif
 135 int printf_fetchargs (va_list args, arguments *a);
 136
 137 #endif /* _PRINTF_ARGS_H */