Index: md5.c
===================================================================
RCS file: /projects/cvsroot/pgsql/src/backend/libpq/md5.c,v
retrieving revision 1.30
diff -u -r1.30 md5.c
--- md5.c	17 Oct 2005 16:24:19 -0000	1.30
+++ md5.c	18 Oct 2005 19:47:24 -0000
@@ -328,6 +328,9 @@
 	char	   *crypt_buf = palloc(passwd_len + salt_len);
 	bool		ret;
 
+	if (!crypt_buf)
+		return false;
+
 	/*
 	 * Place salt at the end because it may be known by users trying to crack
 	 * the MD5 output.