gl/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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  17    USA.  */
  18
  19 #ifndef _PRINTF_ARGS_H
  20 #define _PRINTF_ARGS_H
  21
  22 /* Get wchar_t.  */
  23 #ifdef HAVE_WCHAR_T
  24 # include <stddef.h>
  25 #endif
  26
  27 /* Get wint_t.  */
  28 #ifdef HAVE_WINT_T
  29 # include <wchar.h>
  30 #endif
  31
  32 /* Get va_list.  */
  33 #include <stdarg.h>
  34
  35
  36 /* Argument types */
  37 typedef enum
  38 {
  39   TYPE_NONE,
  40   TYPE_SCHAR,
  41   TYPE_UCHAR,
  42   TYPE_SHORT,
  43   TYPE_USHORT,
  44   TYPE_INT,
  45   TYPE_UINT,
  46   TYPE_LONGINT,
  47   TYPE_ULONGINT,
  48 #ifdef HAVE_LONG_LONG
  49   TYPE_LONGLONGINT,
  50   TYPE_ULONGLONGINT,
  51 #endif
  52   TYPE_DOUBLE,
  53 #ifdef HAVE_LONG_DOUBLE
  54   TYPE_LONGDOUBLE,
  55 #endif
  56   TYPE_CHAR,
  57 #ifdef HAVE_WINT_T
  58   TYPE_WIDE_CHAR,
  59 #endif
  60   TYPE_STRING,
  61 #ifdef HAVE_WCHAR_T
  62   TYPE_WIDE_STRING,
  63 #endif
  64   TYPE_POINTER,
  65   TYPE_COUNT_SCHAR_POINTER,
  66   TYPE_COUNT_SHORT_POINTER,
  67   TYPE_COUNT_INT_POINTER,
  68   TYPE_COUNT_LONGINT_POINTER
  69 #ifdef HAVE_LONG_LONG
  70 , TYPE_COUNT_LONGLONGINT_POINTER
  71 #endif
  72 } arg_type;
  73
  74 /* Polymorphic argument */
  75 typedef struct
  76 {
  77   arg_type type;
  78   union
  79   {
  80     signed char                 a_schar;
  81     unsigned char               a_uchar;
  82     short                       a_short;
  83     unsigned short              a_ushort;
  84     int                         a_int;
  85     unsigned int                a_uint;
  86     long int                    a_longint;
  87     unsigned long int           a_ulongint;
  88 #ifdef HAVE_LONG_LONG
  89     long long int               a_longlongint;
  90     unsigned long long int      a_ulonglongint;
  91 #endif
  92     float                       a_float;
  93     double                      a_double;
  94 #ifdef HAVE_LONG_DOUBLE
  95     long double                 a_longdouble;
  96 #endif
  97     int                         a_char;
  98 #ifdef HAVE_WINT_T
  99     wint_t                      a_wide_char;
 100 #endif
 101     const char*                 a_string;
 102 #ifdef HAVE_WCHAR_T
 103     const wchar_t*              a_wide_string;
 104 #endif
 105     void*                       a_pointer;
 106     signed char *               a_count_schar_pointer;
 107     short *                     a_count_short_pointer;
 108     int *                       a_count_int_pointer;
 109     long int *                  a_count_longint_pointer;
 110 #ifdef HAVE_LONG_LONG
 111     long long int *             a_count_longlongint_pointer;
 112 #endif
 113   }
 114   a;
 115 }
 116 argument;
 117
 118 typedef struct
 119 {
 120   unsigned int count;
 121   argument *arg;
 122 }
 123 arguments;
 124
 125
 126 /* Fetch the arguments, putting them into a. */
 127 #ifdef STATIC
 128 STATIC
 129 #else
 130 extern
 131 #endif
 132 int printf_fetchargs (va_list args, arguments *a);
 133
 134 #endif /* _PRINTF_ARGS_H */