[patch] regex bug fix.

[Isamu Hasegawa]

Sorry, my patch isn't appropriate if malloc failes.

How about following fix?

2001-03-30  Isamu Hasegawa  <isamu@yamato.ibm.com>

	* posix/regex.c: Avoid an access violation if malloc failes.

--- glibc/posix/regex.c.95	Fri Mar 30 16:03:10 2001
+++ glibc/posix/regex.c	Fri Mar 30 16:03:46 2001
@@ -2339,7 +2339,6 @@ regex_compile (pattern, size, syntax, bu
 #ifdef MBS_SUPPORT
   /* Initialize the wchar_t PATTERN and offset_buffer.  */
   p = pend = pattern = TALLOC(csize + 1, CHAR_TYPE);
-  pattern[csize] = L'\0';	/* sentinel */
   mbs_offset = TALLOC(csize + 1, int);
   is_binary = TALLOC(csize + 1, char);
   if (pattern == NULL || mbs_offset == NULL || is_binary == NULL)
@@ -2349,6 +2348,7 @@ regex_compile (pattern, size, syntax, bu
       free(is_binary);
       return REG_ESPACE;
     }
+  pattern[csize] = L'\0';	/* sentinel */
   size = convert_mbs_to_wcs(pattern, cpattern, csize, mbs_offset, is_binary);
   pend = p + size;
   if (size < 0)