1/* Parse printf format string.
2   Copyright (C) 1999, 2002 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_PARSE_H
20#define _PRINTF_PARSE_H
21
22#include "printf-args.h"
23
24/* Private namespace for gnulib functions */
25#define printf_parse _g_gnulib_printf_parse
26
27/* Flags */
28#define FLAG_GROUP	 1	/* ' flag */
29#define FLAG_LEFT	 2	/* - flag */
30#define FLAG_SHOWSIGN	 4	/* + flag */
31#define FLAG_SPACE	 8	/* space flag */
32#define FLAG_ALT	16	/* # flag */
33#define FLAG_ZERO	32
34
35/* A parsed directive.  */
36typedef struct
37{
38  const char* dir_start;
39  const char* dir_end;
40  int flags;
41  const char* width_start;
42  const char* width_end;
43  int width_arg_index;
44  const char* precision_start;
45  const char* precision_end;
46  int precision_arg_index;
47  char conversion; /* d i o u x X f e E g G c s p n U % but not C S */
48  int arg_index;
49}
50char_directive;
51
52/* A parsed format string.  */
53typedef struct
54{
55  unsigned int count;
56  char_directive *dir;
57  unsigned int max_width_length;
58  unsigned int max_precision_length;
59}
60char_directives;
61
62
63/* Parses the format string.  Fills in the number N of directives, and fills
64   in directives[0], ..., directives[N-1], and sets directives[N].dir_start
65   to the end of the format string.  Also fills in the arg_type fields of the
66   arguments and the needed count of arguments.  */
67#ifdef STATIC
68STATIC
69#else
70extern
71#endif
72int printf_parse (const char *format, char_directives *d, arguments *a);
73
74#endif /* _PRINTF_PARSE_H */
75