.

[gnulib.git] / lib / regex.c

diff --git a/lib/regex.c b/lib/regex.c
index fd3c6a8..c239e2f 100644 (file)
--- a/lib/regex.c
+++ b/lib/regex.c
@@ -261,18 +261,14 @@ static int re_match_2_internal ();
 /* These are the command codes that appear in compiled regular
    expressions.  Some opcodes are followed by argument bytes.  A
    command code can specify any interpretation whatsoever for its
-   arguments.  Zero bytes may appear in the compiled regular expression.
-
-   The value of `exactn' is needed in search.c (search_buffer) in Emacs.
-   So regex.h defines a symbol `RE_EXACTN_VALUE' to be 1; the value of
-   `exactn' we use here must also be 1.  */
+   arguments.  Zero bytes may appear in the compiled regular expression.  */
 
 typedef enum
 {
   no_op = 0,
 
         /* Followed by one byte giving n, then by n literal bytes.  */
-  exactn = 1,
+  exactn,
 
         /* Matches any (more or less) character.  */
   anychar,
@@ -904,7 +900,7 @@ static const char *re_error_msg[] =
 #define MATCH_MAY_ALLOCATE
 
 /* The match routines may not allocate if (1) they would do it with malloc
-   and (2) it's not safe for htem to use malloc.  */
+   and (2) it's not safe for them to use malloc.  */
 #if (defined (C_ALLOCA) || defined (REGEX_MALLOC)) && (defined (emacs) || defined (REL_ALLOC))
 #undef MATCH_MAY_ALLOCATE
 #endif
@@ -4942,9 +4938,9 @@ re_compile_pattern (pattern, length, bufp)
 }     
 \f
 /* Entry points compatible with 4.2 BSD regex library.  We don't define
-   them if this is an Emacs or POSIX compilation.  */
+   them unless specifically requested.  */
 
-#if !defined (emacs) && !defined (_POSIX_SOURCE)
+#ifdef _REGEX_RE_COMP
 
 /* BSD has one and only one pattern buffer.  */
 static struct re_pattern_buffer re_comp_buf;
@@ -4995,7 +4991,7 @@ re_exec (s)
   return
     0 <= re_search (&re_comp_buf, s, len, 0, len, (struct re_registers *) 0);
 }
-#endif /* not emacs and not _POSIX_SOURCE */
+#endif /* _REGEX_RE_COMP */
 \f
 /* POSIX.2 functions.  Don't define these for Emacs.  */