glib/gnulib/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, see <http://www.gnu.org/licenses/>.  */
  16
  17 #ifndef _PRINTF_ARGS_H
  18 #define _PRINTF_ARGS_H
  19
  20 /* Get wchar_t.  */
  21 #ifdef HAVE_WCHAR_T
  22 # include <stddef.h>
  23 #endif
  24
  25 /* Get wint_t.  */
  26 #ifdef HAVE_WINT_T
  27 # include <wchar.h>
  28 #endif
  29
  30 /* Get va_list.  */
  31 #include <stdarg.h>
  32
  33
  34 /* Argument types */
  35 typedef enum
  36 {
  37   TYPE_NONE,
  38   TYPE_SCHAR,
  39   TYPE_UCHAR,
  40   TYPE_SHORT,
  41   TYPE_USHORT,
  42   TYPE_INT,
  43   TYPE_UINT,
  44   TYPE_LONGINT,
  45   TYPE_ULONGINT,
  46 #ifdef HAVE_LONG_LONG
  47   TYPE_LONGLONGINT,
  48   TYPE_ULONGLONGINT,
  49 #endif
  50 #ifdef HAVE_INT64_AND_I64
  51   TYPE_INT64,
  52   TYPE_UINT64,
  53 #endif
  54   TYPE_DOUBLE,
  55 #ifdef HAVE_LONG_DOUBLE
  56   TYPE_LONGDOUBLE,
  57 #endif
  58   TYPE_CHAR,
  59 #ifdef HAVE_WINT_T
  60   TYPE_WIDE_CHAR,
  61 #endif
  62   TYPE_STRING,
  63 #ifdef HAVE_WCHAR_T
  64   TYPE_WIDE_STRING,
  65 #endif
  66   TYPE_POINTER,
  67   TYPE_COUNT_SCHAR_POINTER,
  68   TYPE_COUNT_SHORT_POINTER,
  69   TYPE_COUNT_INT_POINTER,
  70   TYPE_COUNT_LONGINT_POINTER
  71 #ifdef HAVE_LONG_LONG
  72 , TYPE_COUNT_LONGLONGINT_POINTER
  73 #endif
  74 } arg_type;
  75
  76 /* Polymorphic argument */
  77 typedef struct
  78 {
  79   arg_type type;
  80   union
  81   {
  82     signed char                 a_schar;
  83     unsigned char               a_uchar;
  84     short                       a_short;
  85     unsigned short              a_ushort;
  86     int                         a_int;
  87     unsigned int                a_uint;
  88     long int                    a_longint;
  89     unsigned long int           a_ulongint;
  90 #ifdef HAVE_LONG_LONG
  91     long long int               a_longlongint;
  92     unsigned long long int      a_ulonglongint;
  93 #endif
  94 #ifdef HAVE_INT64_AND_I64
  95     __int64                     a_int64;
  96     unsigned __int64            a_uint64;
  97 #endif
  98     float                       a_float;
  99     double                      a_double;
 100 #ifdef HAVE_LONG_DOUBLE
 101     long double                 a_longdouble;
 102 #endif
 103     int                         a_char;
 104 #ifdef HAVE_WINT_T
 105     wint_t                      a_wide_char;
 106 #endif
 107     const char*                 a_string;
 108 #ifdef HAVE_WCHAR_T
 109     const wchar_t*              a_wide_string;
 110 #endif
 111     void*                       a_pointer;
 112     signed char *               a_count_schar_pointer;
 113     short *                     a_count_short_pointer;
 114     int *                       a_count_int_pointer;
 115     long int *                  a_count_longint_pointer;
 116 #ifdef HAVE_LONG_LONG
 117     long long int *             a_count_longlongint_pointer;
 118 #endif
 119   }
 120   a;
 121 }
 122 argument;
 123
 124 typedef struct
 125 {
 126   unsigned int count;
 127   argument *arg;
 128 }
 129 arguments;
 130
 131
 132 /* Fetch the arguments, putting them into a. */
 133 #ifdef STATIC
 134 STATIC
 135 #else
 136 extern
 137 #endif
 138 int printf_fetchargs (va_list args, arguments *a);
 139
 140 #endif /* _PRINTF_ARGS_H */