Update.

1998-11-19  Ulrich Drepper  <drepper@cygnus.com>

	* posix/regex.c (regex_compile): Handle extra long class names
	correctly.

diff --git a/ChangeLog b/ChangeLog
index f241c1f..feea31d 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+1998-11-19  Ulrich Drepper  <drepper@cygnus.com>
+
+       * posix/regex.c (regex_compile): Handle extra long class names
+       correctly.
+
 1998-11-19  Geoff Keating  <geoffk@ozemail.com.au>
 
        * elf/rtld.c (_dl_start): Handle weak undefined symbols in ld.so

diff --git a/posix/regex.c b/posix/regex.c
index 5f8e38c..ba01f73 100644 (file)
--- a/posix/regex.c
+++ b/posix/regex.c
@@ -2210,10 +2210,13 @@ regex_compile (pattern, size, syntax, bufp)
                     for (;;)
                       {
                         PATFETCH (c);
-                        if ((c == ':' && *p == ']') || p == pend
-                            || c1 == CHAR_CLASS_MAX_LENGTH)
+                        if ((c == ':' && *p == ']') || p == pend)
                           break;
-                        str[c1++] = c;
+                       if (c1 < CHAR_CLASS_MAX_LENGTH)
+                         str[c1++] = c;
+                       else
+                         /* This is in any case an invalid class name.  */
+                         str[0] = '\0';
                       }
                     str[c1] = '\0';