[REGEX_FREE]: Use ((void)0) instead of just (0).

[gnulib.git] / regex.h

diff --git a/regex.h b/regex.h
index a495005..31eaf84 100644 (file)
--- a/regex.h
+++ b/regex.h
@@ -1,7 +1,7 @@
 /* Definitions for data structures and routines for the regular
    expression library, version 0.12.
 
-   Copyright (C) 1985, 89, 90, 91, 92, 1993 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
@@ -23,7 +23,7 @@
 /* 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>
@@ -130,6 +130,10 @@ typedef unsigned reg_syntax_t;
    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
@@ -344,11 +348,6 @@ struct re_pattern_buffer
 };
 
 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;
@@ -465,9 +464,11 @@ extern void re_set_registers
   _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));