/* Definitions for data structures and routines for the regular
- expression library, version 0.11.
+ expression library, version 0.12.
- Copyright (C) 1985, 89, 90, 91, 92 Free Software Foundation, Inc.
+ Copyright (C) 1985, 89, 90, 91, 92, 93, 95 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
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ USA. */
#ifndef __REGEXP_LIBRARY_H__
#define __REGEXP_LIBRARY_H__
/* POSIX says that <sys/types.h> must be included (by the caller) before
<regex.h>. */
-#ifdef VMS
+#if !defined (_POSIX_C_SOURCE) && !defined (_POSIX_SOURCE) && defined (VMS)
/* VMS doesn't have `size_t' in <sys/types.h>, even though POSIX says it
should be there. */
#include <stddef.h>
If not set, then an unmatched ) is invalid. */
#define RE_UNMATCHED_RIGHT_PAREN_ORD (RE_NO_EMPTY_RANGES << 1)
+/* If this bit is set, succeed as soon as we match the whole pattern,
+ without further backtracking. */
+#define RE_NO_POSIX_BACKTRACKING (RE_UNMATCHED_RIGHT_PAREN_ORD << 1)
+
/* This global variable defines the particular regexp syntax to use (for
some interfaces). When a regexp is compiled, the syntax used is
stored in the pattern buffer, so changing this does not affect
compiled, the `re_nsub' field is available. All other fields are
private to the regex routines. */
+#ifndef RE_TRANSLATE_TYPE
+#define RE_TRANSLATE_TYPE char *
+#endif
+
struct re_pattern_buffer
{
/* [[[begin pattern_buffer]]] */
comparing them, or zero for no translation. The translation
is applied to a pattern when it is compiled and to a string
when it is matched. */
- char *translate;
+ RE_TRANSLATE_TYPE translate;
/* Number of subexpressions found by the compiler. */
size_t re_nsub;
};
typedef struct re_pattern_buffer regex_t;
-
-
-/* search.c (search_buffer) in Emacs needs this one opcode value. It is
- defined both in `regex.c' and here. */
-#define RE_EXACTN_VALUE 1
\f
/* Type for byte offsets within the string. POSIX mandates this. */
typedef int regoff_t;
prototype (if we are ANSI), and once without (if we aren't) -- we
use the following macro to declare argument types. This
unfortunately clutters up the declarations a bit, but I think it's
- worth it.
-
- We may also have to undo `const' if we are not ANSI -- but if it has
- already been defined, as by Autoconf's AC_CONST, don't do anything. */
+ worth it. */
#if __STDC__
+
#define _RE_ARGS(args) args
+
#else /* not __STDC__ */
+
#define _RE_ARGS(args) ()
-#if !const && !HAVE_CONST
-#define const
-#endif
+
#endif /* not __STDC__ */
/* Sets the current default syntax to SYNTAX, and return the old syntax.
_RE_ARGS ((struct re_pattern_buffer *buffer, struct re_registers *regs,
unsigned num_regs, regoff_t *starts, regoff_t *ends));
+#ifdef _REGEX_RE_COMP
/* 4.2 bsd compatibility. */
extern char *re_comp _RE_ARGS ((const char *));
extern int re_exec _RE_ARGS ((const char *));
+#endif
/* POSIX compatibility. */
extern int regcomp _RE_ARGS ((regex_t *preg, const char *pattern, int cflags));