1 /* Parse a printf-style format string. 2 3 Copyright (C) 1986-2013 Free Software Foundation, Inc. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20 #if defined(__MINGW32__) && !defined(PRINTF_HAS_LONG_LONG) 21 # define USE_PRINTF_I64 1 22 # define PRINTF_HAS_LONG_LONG 23 #else 24 # define USE_PRINTF_I64 0 25 #endif 26 27 /* The argclass represents the general type of data that goes with a 28 format directive; int_arg for %d, long_arg for %l, and so forth. 29 Note that these primarily distinguish types by size and need for 30 special handling, so for instance %u and %x are (at present) also 31 classed as int_arg. */ 32 33 enum argclass 34 { 35 literal_piece, 36 int_arg, long_arg, long_long_arg, ptr_arg, 37 string_arg, wide_string_arg, wide_char_arg, 38 double_arg, long_double_arg, decfloat_arg 39 }; 40 41 /* A format piece is a section of the format string that may include a 42 single print directive somewhere in it, and the associated class 43 for the argument. */ 44 45 struct format_piece 46 { 47 char *string; 48 enum argclass argclass; 49 }; 50 51 /* Return an array of printf fragments found at the given string, and 52 rewrite ARG with a pointer to the end of the format string. */ 53 54 extern struct format_piece *parse_format_string (const char **arg); 55 56 /* Given a pointer to an array of format pieces, free any memory that 57 would have been allocated by parse_format_string. */ 58 59 extern void free_format_pieces (struct format_piece *frags); 60 61 /* Freeing, cast as a cleanup. */ 62 63 extern void free_format_pieces_cleanup (void *); 64