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 __gst_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 #define FLAG_PTR_EXT 1024 36 37 /* A parsed directive. */ 38 typedef struct 39 { 40 const char* dir_start; 41 const char* dir_end; 42 int flags; 43 const char* width_start; 44 const char* width_end; 45 int width_arg_index; 46 const char* precision_start; 47 const char* precision_end; 48 int precision_arg_index; 49 char conversion; /* d i o u x X f e E g G c s p n U % but not C S */ 50 int arg_index; 51 52 /* extension char in case of TYPE_POINTER_EXT. We need to store this so 53 * we can pass it back to __gst_printf_pointer_extension_serialize() 54 * so it knows which pointer extension it is */ 55 char ptr_ext_char; 56 } 57 char_directive; 58 59 /* A parsed format string. */ 60 typedef struct 61 { 62 unsigned int count; 63 char_directive *dir; 64 unsigned int max_width_length; 65 unsigned int max_precision_length; 66 } 67 char_directives; 68 69 70 /* Parses the format string. Fills in the number N of directives, and fills 71 in directives[0], ..., directives[N-1], and sets directives[N].dir_start 72 to the end of the format string. Also fills in the arg_type fields of the 73 arguments and the needed count of arguments. */ 74 #ifdef STATIC 75 STATIC 76 #else 77 extern 78 #endif 79 int printf_parse (const char *format, char_directives *d, arguments *a); 80 81 #endif /* _PRINTF_PARSE_H */ 82