Update prototypes.

[gnulib.git] / regex.h

diff --git a/regex.h b/regex.h
index ea70123..61bdd6e 100644 (file)
--- a/regex.h
+++ b/regex.h
@@ -1,7 +1,7 @@
 /* Definitions for data structures and routines for the regular
-   expression library, version 0.11.
+   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
@@ -15,7 +15,8 @@
 
    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__
@@ -23,7 +24,7 @@
 /* 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 +131,10 @@ 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
@@ -275,6 +280,10 @@ typedef enum
    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]]] */
@@ -301,7 +310,7 @@ struct re_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;
@@ -344,11 +353,6 @@ 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;
@@ -387,10 +391,7 @@ typedef struct
    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__
 
@@ -400,18 +401,6 @@ typedef struct
 
 #define _RE_ARGS(args) ()
 
-#ifndef USING_AUTOCONF
-
-#ifndef HAVE_CONST
-#define const
-#else
-#if !HAVE_CONST
-#define const
-#endif
-#endif
-
-#endif /* not USING_AUTOCONF */
-
 #endif /* not __STDC__ */
 
 /* Sets the current default syntax to SYNTAX, and return the old syntax.
@@ -480,9 +469,11 @@ 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));