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/* Parse a printf-style format string.
Copyright (C) 1986-2017 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#if defined(__MINGW32__) && !defined(PRINTF_HAS_LONG_LONG)
# define USE_PRINTF_I64 1
# define PRINTF_HAS_LONG_LONG
#else
# define USE_PRINTF_I64 0
#endif
/* The argclass represents the general type of data that goes with a
format directive; int_arg for %d, long_arg for %l, and so forth.
Note that these primarily distinguish types by size and need for
special handling, so for instance %u and %x are (at present) also
classed as int_arg. */
enum argclass
{
literal_piece,
int_arg, long_arg, long_long_arg, ptr_arg,
string_arg, wide_string_arg, wide_char_arg,
double_arg, long_double_arg, decfloat_arg
};
/* A format piece is a section of the format string that may include a
single print directive somewhere in it, and the associated class
for the argument. */
struct format_piece
{
char *string;
enum argclass argclass;
};
/* Return an array of printf fragments found at the given string, and
rewrite ARG with a pointer to the end of the format string. */
extern struct format_piece *parse_format_string (const char **arg);
/* Given a pointer to an array of format pieces, free any memory that
would have been allocated by parse_format_string. */
extern void free_format_pieces (struct format_piece *frags);
/* Freeing, cast as a cleanup. */
extern void free_format_pieces_cleanup (void *);
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