lib/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
   5    it under the terms of the GNU General Public License as published by
   6    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
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License along
  15    with this program; if not, write to the Free Software Foundation,
  16    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  17
  18 #ifndef _PRINTF_ARGS_H
  19 #define _PRINTF_ARGS_H
  20
  21 /* Get wchar_t.  */
  22 #ifdef HAVE_WCHAR_T
  23 # include <stddef.h>
  24 #endif
  25
  26 /* Get wint_t.  */
  27 #ifdef HAVE_WINT_T
  28 # include <wchar.h>
  29 #endif
  30
  31 /* Get va_list.  */
  32 #include <stdarg.h>
  33
  34
  35 /* Argument types */
  36 typedef enum
  37 {
  38   TYPE_NONE,
  39   TYPE_SCHAR,
  40   TYPE_UCHAR,
  41   TYPE_SHORT,
  42   TYPE_USHORT,
  43   TYPE_INT,
  44   TYPE_UINT,
  45   TYPE_LONGINT,
  46   TYPE_ULONGINT,
  47 #ifdef HAVE_LONG_LONG
  48   TYPE_LONGLONGINT,
  49   TYPE_ULONGLONGINT,
  50 #endif
  51   TYPE_DOUBLE,
  52 #ifdef HAVE_LONG_DOUBLE
  53   TYPE_LONGDOUBLE,
  54 #endif
  55   TYPE_CHAR,
  56 #ifdef HAVE_WINT_T
  57   TYPE_WIDE_CHAR,
  58 #endif
  59   TYPE_STRING,
  60 #ifdef HAVE_WCHAR_T
  61   TYPE_WIDE_STRING,
  62 #endif
  63   TYPE_POINTER,
  64   TYPE_COUNT_SCHAR_POINTER,
  65   TYPE_COUNT_SHORT_POINTER,
  66   TYPE_COUNT_INT_POINTER,
  67   TYPE_COUNT_LONGINT_POINTER
  68 #ifdef HAVE_LONG_LONG
  69 , TYPE_COUNT_LONGLONGINT_POINTER
  70 #endif
  71 } arg_type;
  72
  73 /* Polymorphic argument */
  74 typedef struct
  75 {
  76   arg_type type;
  77   union
  78   {
  79     signed char                 a_schar;
  80     unsigned char               a_uchar;
  81     short                       a_short;
  82     unsigned short              a_ushort;
  83     int                         a_int;
  84     unsigned int                a_uint;
  85     long int                    a_longint;
  86     unsigned long int           a_ulongint;
  87 #ifdef HAVE_LONG_LONG
  88     long long int               a_longlongint;
  89     unsigned long long int      a_ulonglongint;
  90 #endif
  91     float                       a_float;
  92     double                      a_double;
  93 #ifdef HAVE_LONG_DOUBLE
  94     long double                 a_longdouble;
  95 #endif
  96     int                         a_char;
  97 #ifdef HAVE_WINT_T
  98     wint_t                      a_wide_char;
  99 #endif
 100     const char*                 a_string;
 101 #ifdef HAVE_WCHAR_T
 102     const wchar_t*              a_wide_string;
 103 #endif
 104     void*                       a_pointer;
 105     signed char *               a_count_schar_pointer;
 106     short *                     a_count_short_pointer;
 107     int *                       a_count_int_pointer;
 108     long int *                  a_count_longint_pointer;
 109 #ifdef HAVE_LONG_LONG
 110     long long int *             a_count_longlongint_pointer;
 111 #endif
 112   }
 113   a;
 114 }
 115 argument;
 116
 117 typedef struct
 118 {
 119   unsigned int count;
 120   argument *arg;
 121 }
 122 arguments;
 123
 124
 125 /* Fetch the arguments, putting them into a. */
 126 #ifdef STATIC
 127 STATIC
 128 #else
 129 extern
 130 #endif
 131 int printf_fetchargs (va_list args, arguments *a);
 132
 133 #endif /* _PRINTF_ARGS_H */