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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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 */