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/* grep.h - interface to grep driver for searching subroutines.
Copyright (C) 1992, 1998, 2001 Free Software Foundation, Inc.
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 2, 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, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) || __STRICT_ANSI__
# define __attribute__(x)
#endif
/* We build specialized legacy "egrep" and "fgrep" programs.
No program adjusts its behavior according to its argv[0].
No scripts are provided as an alternative. Distributors
are free to do otherwise, but it is their burden to do so. */
#if !defined(GREP_PROGRAM) && !defined(EGREP_PROGRAM) && !defined(FGREP_PROGRAM)
# define GREP_PROGRAM
#endif
/* The two functions each matcher provides. */
#define COMPILE_RET void
#define COMPILE_ARGS \
(char const *pattern, size_t size)
#define EXECUTE_RET size_t
#define EXECUTE_ARGS \
(char const *buf, size_t size, size_t *match_size, int exact)
#ifdef GREP_PROGRAM
/* Function definitions. */
# define COMPILE_FCT(f) static COMPILE_RET f COMPILE_ARGS
# define EXECUTE_FCT(f) static EXECUTE_RET f EXECUTE_ARGS
/* Function pointer types. */
typedef COMPILE_RET (*compile_fp_t) PARAMS (COMPILE_ARGS);
typedef EXECUTE_RET (*execute_fp_t) PARAMS (EXECUTE_ARGS);
/* grep.c expects the matchers vector to be terminated
by an entry with a NULL compile, and to contain at least
an entry named "default". */
extern struct matcher
{
char name[8];
compile_fp_t compile;
execute_fp_t execute;
} const matchers[];
#else /* !GREP_PROGRAM */
/* Straight functions for specialized "egrep" and "fgrep" programs. */
/* Function definitions. */
# define COMPILE_FCT(f) COMPILE_RET compile COMPILE_ARGS
# define EXECUTE_FCT(f) EXECUTE_RET execute EXECUTE_ARGS
/* Function prototypes. */
extern COMPILE_RET compile PARAMS (COMPILE_ARGS);
extern EXECUTE_RET execute PARAMS (EXECUTE_ARGS);
#endif /* GREP_PROGRAM */
/* The following flags are exported from grep for the matchers
to look at. */
extern int match_icase; /* -i */
extern int match_words; /* -w */
extern int match_lines; /* -x */
extern unsigned char eolbyte; /* -z */
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