1/* Parse printf format string.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
17
18#ifndef _PRINTF_PARSE_H
19#define _PRINTF_PARSE_H
20
21#include "printf-args.h"
22
23
24/* Flags */
25#define FLAG_GROUP	 1	/* ' flag */
26#define FLAG_LEFT	 2	/* - flag */
27#define FLAG_SHOWSIGN	 4	/* + flag */
28#define FLAG_SPACE	 8	/* space flag */
29#define FLAG_ALT	16	/* # flag */
30#define FLAG_ZERO	32
31
32/* arg_index value indicating that no argument is consumed.  */
33#define ARG_NONE	(~(size_t)0)
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  size_t width_arg_index;
44  const char* precision_start;
45  const char* precision_end;
46  size_t 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  size_t arg_index;
49}
50char_directive;
51
52/* A parsed format string.  */
53typedef struct
54{
55  size_t count;
56  char_directive *dir;
57  size_t max_width_length;
58  size_t 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