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authorUlrich Drepper <drepper@redhat.com>2004-03-04 23:37:01 +0000
committerUlrich Drepper <drepper@redhat.com>2004-03-04 23:37:01 +0000
commit6fefb4e0b1695a4f7d0d18be6c04472bb3995071 (patch)
tree470549c3fb1120fcca55d882b9911a716b5c92b2 /posix
parent4c595adb603a70901433026153e1ff34979ed173 (diff)
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Update.
2004-01-15  Paolo Bonzini  <bonzini@gnu.org>

	* posix/regex.h (REG_STARTEND): Define.
	* posix/regexec.c (regexec): Check for REG_STARTEND.
Diffstat (limited to 'posix')
-rw-r--r--posix/regex.h4
-rw-r--r--posix/regexec.c20
2 files changed, 19 insertions, 5 deletions
diff --git a/posix/regex.h b/posix/regex.h
index b4a975b48b..4279dbcc5b 100644
--- a/posix/regex.h
+++ b/posix/regex.h
@@ -298,6 +298,10 @@ extern reg_syntax_t re_syntax_options;
 /* Like REG_NOTBOL, except for the end-of-line.  */
 #define REG_NOTEOL (1 << 1)
 
+/* Use PMATCH[0] to delimit the start and end of the search in the
+   buffer.  */
+#define REG_STARTEND (1 << 2)
+
 
 /* If any error codes are removed, changed, or added, update the
    `re_error_msg' table in regex.c.  */
diff --git a/posix/regexec.c b/posix/regexec.c
index cad676c0fe..09142c5f7a 100644
--- a/posix/regexec.c
+++ b/posix/regexec.c
@@ -215,13 +215,23 @@ regexec (preg, string, nmatch, pmatch, eflags)
     int eflags;
 {
   reg_errcode_t err;
-  int length = strlen (string);
+  int start, length;
+  if (eflags & REG_STARTEND)
+    {
+      start = pmatch[0].rm_so;
+      length = pmatch[0].rm_eo;
+    }
+  else
+    {
+      start = 0;
+      length = strlen (string);
+    }
   if (preg->no_sub)
-    err = re_search_internal (preg, string, length, 0, length, length, 0,
-			      NULL, eflags);
+    err = re_search_internal (preg, string, length, start, length - start,
+			      length, 0, NULL, eflags);
   else
-    err = re_search_internal (preg, string, length, 0, length, length, nmatch,
-			      pmatch, eflags);
+    err = re_search_internal (preg, string, length, start, length - start,
+			      length, nmatch, pmatch, eflags);
   return err != REG_NOERROR;
 }
 #ifdef _LIBC