(docolon): Zero out re_buffer and re_regs before using them.

From H.J. Lu <hjl@nynexst.com>.

diff --git a/src/expr.c b/src/expr.c
index a30ffb7a99a3ce264854a49c577a450cdabe8819..a98cc21f4a09829c87995a71cf39d1b83d2f2598 100644 (file)
--- a/src/expr.c
+++ b/src/expr.c
@@ -432,6 +432,8 @@ docolon (sv, pv)
   tostring (pv);
 
   len = strlen (pv->u.s);
+  bzero (&re_buffer, sizeof (re_buffer));
+  bzero (&re_regs, sizeof (re_regs));
   re_buffer.allocated = 2 * len;
   re_buffer.buffer = (unsigned char *) xmalloc (re_buffer.allocated);
   re_buffer.translate = 0;