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