Changes to m4/lib/regex.h [branch-1_4]

[Gary V . Vaughan]

Index: m4/lib/regex.h
diff -u m4/lib/regex.h:1.1.1.1.2.2 m4/lib/regex.h:1.1.1.1.2.3
--- m4/lib/regex.h:1.1.1.1.2.2  Mon Feb  7 12:56:34 2005
+++ m4/lib/regex.h      Sun May  1 11:54:12 2005
@@ -1,12 +1,13 @@
 /* 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, 1989, 1990, 1991, 1992, 1993
+   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.
+   the Free Software Foundation; either version 2 of the License, 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
@@ -15,7 +16,9 @@
 
    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., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301  USA
+*/
 
 #ifndef __REGEXP_LIBRARY_H__
 #define __REGEXP_LIBRARY_H__
@@ -42,7 +45,7 @@
 #define RE_BACKSLASH_ESCAPE_IN_LISTS (1)
 
 /* If this bit is not set, then + and ? are operators, and \+ and \? are
-     literals. 
+     literals.
    If set, then \+ and \? are operators and + and ? are literals.  */
 #define RE_BK_PLUS_QM (RE_BACKSLASH_ESCAPE_IN_LISTS << 1)
 
@@ -58,7 +61,7 @@
         ^  is an anchor if it is at the beginning of a regular
            expression or after an open-group or an alternation operator;
         $  is an anchor if it is at the end of a regular expression, or
-           before a close-group or an alternation operator.  
+           before a close-group or an alternation operator.
 
    This bit could be (re)combined with RE_CONTEXT_INDEP_OPS, because
    POSIX draft 11.2 says that * etc. in leading positions is undefined.
@@ -69,7 +72,7 @@
 /* If this bit is set, then special characters are always special
      regardless of where they are in the pattern.
    If this bit is not set, then special characters are special only in
-     some contexts; otherwise they are ordinary.  Specifically, 
+     some contexts; otherwise they are ordinary.  Specifically,
      * + ? and intervals are only special when not after the beginning,
      open-group, or alternation operator.  */
 #define RE_CONTEXT_INDEP_OPS (RE_CONTEXT_INDEP_ANCHORS << 1)
@@ -91,7 +94,7 @@
 #define RE_HAT_LISTS_NOT_NEWLINE (RE_DOT_NOT_NULL << 1)
 
 /* If this bit is set, either \{...\} or {...} defines an
-     interval, depending on RE_NO_BK_BRACES. 
+     interval, depending on RE_NO_BK_BRACES.
    If not set, \{, \}, {, and } are literals.  */
 #define RE_INTERVALS (RE_HAT_LISTS_NOT_NEWLINE << 1)
 
@@ -116,7 +119,7 @@
    If not set, then \<digit> is a back-reference.  */
 #define RE_NO_BK_REFS (RE_NO_BK_PARENS << 1)
 
-/* If this bit is set, then | is an alternation operator, and \| is literal. 
+/* If this bit is set, then | is an alternation operator, and \| is literal.
    If not set, then \| is an alternation operator, and | is literal.  */
 #define RE_NO_BK_VBAR (RE_NO_BK_REFS << 1)
 
@@ -138,7 +141,7 @@
 
 /* Define combinations of the above bits for the standard possibilities.
    (The [[[ comments delimit what gets put into the Texinfo file, so
-   don't delete them!)  */ 
+   don't delete them!)  */
 /* [[[begin syntaxes]]] */
 #define RE_SYNTAX_EMACS 0
 
@@ -205,7 +208,7 @@
 #ifdef RE_DUP_MAX
 #undef RE_DUP_MAX
 #endif
-#define RE_DUP_MAX ((1 << 15) - 1) 
+#define RE_DUP_MAX ((1 << 15) - 1)
 
 
 /* POSIX `cflags' bits (i.e., information for `regcomp').  */
@@ -217,7 +220,7 @@
 /* If this bit is set, then ignore case when matching.
    If not set, then case is significant.  */
 #define REG_ICASE (REG_EXTENDED << 1)
- 
+
 /* If this bit is set, then anchors do not match at newline
      characters in the string.
    If not set, then anchors do match at newlines.  */
@@ -256,7 +259,7 @@
   REG_EESCAPE,         /* Trailing backslash.  */
   REG_ESUBREG,         /* Invalid back reference.  */
   REG_EBRACK,          /* Unmatched left bracket.  */
-  REG_EPAREN,          /* Parenthesis imbalance.  */ 
+  REG_EPAREN,          /* Parenthesis imbalance.  */
   REG_EBRACE,          /* Unmatched \{.  */
   REG_BADBR,           /* Invalid contents of \{\}.  */
   REG_ERANGE,          /* Invalid range end.  */
@@ -287,7 +290,7 @@
   unsigned long allocated;
 
        /* Number of bytes actually used in `buffer'.  */
-  unsigned long used;  
+  unsigned long used;
 
         /* Syntax setting with which the pattern was compiled.  */
   reg_syntax_t syntax;
@@ -331,7 +334,7 @@
   unsigned no_sub : 1;
 
         /* If set, a beginning-of-line anchor doesn't match at the
-           beginning of the string.  */ 
+           beginning of the string.  */
   unsigned not_bol : 1;
 
         /* Similarly for an end-of-line anchor.  */
@@ -438,7 +441,7 @@
 
 
 /* Relates to `re_match' as `re_search_2' relates to `re_search'.  */
-extern int re_match_2 
+extern int re_match_2
   _RE_ARGS ((struct re_pattern_buffer *buffer, const char *string1,
              int length1, const char *string2, int length2,
              int start, struct re_registers *regs, int stop));