1
/* Parse printf format string.
2
Copyright (C) 1999, 2002-2003 Free Software Foundation, Inc.
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)
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.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19
#ifndef _PRINTF_PARSE_H
20
#define _PRINTF_PARSE_H
22
#include "printf-args.h"
26
#define FLAG_GROUP 1 /* ' flag */
27
#define FLAG_LEFT 2 /* - flag */
28
#define FLAG_SHOWSIGN 4 /* + flag */
29
#define FLAG_SPACE 8 /* space flag */
30
#define FLAG_ALT 16 /* # flag */
33
/* arg_index value indicating that no argument is consumed. */
34
#define ARG_NONE (~(size_t)0)
36
/* A parsed directive. */
39
const char* dir_start;
42
const char* width_start;
43
const char* width_end;
44
size_t width_arg_index;
45
const char* precision_start;
46
const char* precision_end;
47
size_t precision_arg_index;
48
char conversion; /* d i o u x X f e E g G c s p n U % but not C S */
53
/* A parsed format string. */
58
size_t max_width_length;
59
size_t max_precision_length;
64
/* Parses the format string. Fills in the number N of directives, and fills
65
in directives[0], ..., directives[N-1], and sets directives[N].dir_start
66
to the end of the format string. Also fills in the arg_type fields of the
67
arguments and the needed count of arguments. */
73
int printf_parse (const char *format, char_directives *d, arguments *a);
75
#endif /* _PRINTF_PARSE_H */