X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fregex.h;h=63c2fef6967b2c87a68eeefd79e7abd444d05382;hb=468e57cb4025983239ff40bb1c05b7d8e4328185;hp=a9a3d7a3cfc6e2b30408a09221a313492c2669ed;hpb=54dce95d144dd483d9d7c3e38ff0a5ed2772809c;p=gnulib.git

diff --git a/lib/regex.h b/lib/regex.h
index a9a3d7a3c..63c2fef69 100644
--- a/lib/regex.h
+++ b/lib/regex.h
@@ -1,25 +1,24 @@
 /* Definitions for data structures and routines for the regular
    expression library, version 0.12.
-   Copyright (C) 1985,89,90,91,92,93,95,96,97 Free Software Foundation, Inc.
+   Copyright (C) 1985,1989-1993,1995-1998, 2000 Free Software Foundation, Inc.
 
+   This file is part of the GNU C Library.  Its master source is NOT part of
+   the C library, however.  The master source lives in /gd/gnu/lib.
 
-   NOTE: The canonical source of this file is maintained with the GNU C Library.
-   Bugs can be reported to bug-glibc@prep.ai.mit.edu.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
 
-   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,
+   The GNU C Library 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.
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-   USA.  */
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
 #ifndef _REGEX_H
 #define _REGEX_H 1
@@ -161,6 +160,11 @@ typedef unsigned long int reg_syntax_t;
    this bit set, and it won't affect anything in the normal case. */
 #define RE_DEBUG (RE_NO_GNU_OPS << 1)
 
+/* If this bit is set, a syntactically invalid interval is treated as
+   a string of ordinary characters.  For example, the ERE 'a{1' is
+   treated as 'a\{1'.  */
+#define RE_INVALID_INTERVAL_ORD (RE_DEBUG << 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
@@ -200,7 +204,8 @@ extern reg_syntax_t re_syntax_options;
    | RE_NO_BK_VBAR)
 
 #define RE_SYNTAX_POSIX_EGREP						\
-  (RE_SYNTAX_EGREP | RE_INTERVALS | RE_NO_BK_BRACES)
+  (RE_SYNTAX_EGREP | RE_INTERVALS | RE_NO_BK_BRACES			\
+   | RE_INVALID_INTERVAL_ORD)
 
 /* P1003.2/D11.2, section 4.20.7.1, lines 5078ff.  */
 #define RE_SYNTAX_ED RE_SYNTAX_POSIX_BASIC
@@ -222,13 +227,13 @@ extern reg_syntax_t re_syntax_options;
   (_RE_SYNTAX_POSIX_COMMON | RE_LIMITED_OPS)
 
 #define RE_SYNTAX_POSIX_EXTENDED					\
-  (_RE_SYNTAX_POSIX_COMMON | RE_CONTEXT_INDEP_ANCHORS			\
-   | RE_CONTEXT_INDEP_OPS  | RE_NO_BK_BRACES				\
-   | RE_NO_BK_PARENS       | RE_NO_BK_VBAR				\
-   | RE_UNMATCHED_RIGHT_PAREN_ORD)
+  (_RE_SYNTAX_POSIX_COMMON  | RE_CONTEXT_INDEP_ANCHORS			\
+   | RE_CONTEXT_INDEP_OPS   | RE_NO_BK_BRACES				\
+   | RE_NO_BK_PARENS        | RE_NO_BK_VBAR				\
+   | RE_CONTEXT_INVALID_OPS | RE_UNMATCHED_RIGHT_PAREN_ORD)
 
-/* Differs from ..._POSIX_EXTENDED in that RE_CONTEXT_INVALID_OPS
-   replaces RE_CONTEXT_INDEP_OPS and RE_NO_BK_REFS is added.  */
+/* Differs from ..._POSIX_EXTENDED in that RE_CONTEXT_INDEP_OPS is
+   removed and RE_NO_BK_REFS is added.  */
 #define RE_SYNTAX_POSIX_MINIMAL_EXTENDED				\
   (_RE_SYNTAX_POSIX_COMMON  | RE_CONTEXT_INDEP_ANCHORS			\
    | RE_CONTEXT_INVALID_OPS | RE_NO_BK_BRACES				\
@@ -283,8 +288,8 @@ extern reg_syntax_t re_syntax_options;
    `re_error_msg' table in regex.c.  */
 typedef enum
 {
-#if (_XOPEN_SOURCE - 0) == 500
-  REG_NOSYS = -1,	/* This will never happen for this implementation.  */
+#ifdef _XOPEN_SOURCE
+  REG_ENOSYS = -1,	/* This will never happen for this implementation.  */
 #endif
 
   REG_NOERROR = 0,	/* Success.  */
@@ -506,7 +511,7 @@ 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
+#if defined _REGEX_RE_COMP || defined _LIBC
 # ifndef _CRAY
 /* 4.2 bsd compatibility.  */
 extern char *re_comp _RE_ARGS ((const char *));
@@ -514,15 +519,36 @@ extern int re_exec _RE_ARGS ((const char *));
 # endif
 #endif
 
+/* GCC 2.95 and later have "__restrict"; C99 compilers have
+   "restrict", and "configure" may have defined "restrict".  */
+#ifndef __restrict
+# if ! (2 < __GNUC__ || (2 == __GNUC__ && 95 <= __GNUC_MINOR__))
+#  if defined restrict || 199901L <= __STDC_VERSION__
+#   define __restrict restrict
+#  else
+#   define __restrict
+#  endif
+# endif
+#endif
+/* For now unconditionally define __restrict_arr to expand to nothing.
+   Ideally we would have a test for the compiler which allows defining
+   it to restrict.  */
+#define __restrict_arr
+
 /* POSIX compatibility.  */
-extern int regcomp _RE_ARGS ((regex_t *preg, const char *pattern, int cflags));
-extern int regexec
-  _RE_ARGS ((const regex_t *preg, const char *string, size_t nmatch,
-             regmatch_t pmatch[], int eflags));
-extern size_t regerror
-  _RE_ARGS ((int errcode, const regex_t *preg, char *errbuf,
-             size_t errbuf_size));
-extern void regfree _RE_ARGS ((regex_t *preg));
+extern int regcomp _RE_ARGS ((regex_t *__restrict __preg,
+			      const char *__restrict __pattern,
+			      int __cflags));
+
+extern int regexec _RE_ARGS ((const regex_t *__restrict __preg,
+			      const char *__restrict __string, size_t __nmatch,
+			      regmatch_t __pmatch[__restrict_arr],
+			      int __eflags));
+
+extern size_t regerror _RE_ARGS ((int __errcode, const regex_t *__preg,
+				  char *__errbuf, size_t __errbuf_size));
+
+extern void regfree _RE_ARGS ((regex_t *__preg));
 
 
 #ifdef __cplusplus