1 /* Parse printf format string. 2 Copyright (C) 1999, 2002-2003, 2005, 2007, 2010-2011 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 Lesser General Public License as published by 6 the Free Software Foundation; either version 2.1 of the License, or 7 (at your option) 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 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public License 15 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 16 17 #ifndef _WPRINTF_PARSE_H 18 #define _WPRINTF_PARSE_H 19 20 #if HAVE_FEATURES_H 21 # include <features.h> /* for __GLIBC__, __UCLIBC__ */ 22 #endif 23 24 #include "printf-args.h" 25 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 #if __GLIBC__ >= 2 && !defined __UCLIBC__ 35 # define FLAG_LOCALIZED 64 /* I flag, uses localized digits */ 36 #endif 37 38 /* arg_index value indicating that no argument is consumed. */ 39 #define ARG_NONE (~(size_t)0) 40 41 /* Number of directly allocated directives (no malloc() needed). */ 42 #define N_DIRECT_ALLOC_DIRECTIVES 7 43 44 /* A parsed directive. */ 45 typedef struct 46 { 47 const wchar_t* dir_start; 48 const wchar_t* dir_end; 49 int flags; 50 const wchar_t* width_start; 51 const wchar_t* width_end; 52 size_t width_arg_index; 53 const wchar_t* precision_start; 54 const wchar_t* precision_end; 55 size_t precision_arg_index; 56 wchar_t conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */ 57 size_t arg_index; 58 } 59 wchar_t_directive; 60 61 /* A parsed format string. */ 62 typedef struct 63 { 64 size_t count; 65 wchar_t_directive *dir; 66 size_t max_width_length; 67 size_t max_precision_length; 68 wchar_t_directive direct_alloc_dir[N_DIRECT_ALLOC_DIRECTIVES]; 69 } 70 wchar_t_directives; 71 72 73 /* Parses the format string. Fills in the number N of directives, and fills 74 in directives[0], ..., directives[N-1], and sets directives[N].dir_start 75 to the end of the format string. Also fills in the arg_type fields of the 76 arguments and the needed count of arguments. */ 77 #ifdef STATIC 78 STATIC 79 #else 80 extern 81 #endif 82 int wprintf_parse (const wchar_t *format, wchar_t_directives *d, arguments *a); 83 84 #endif /* _WPRINTF_PARSE_H */ 85