lib: reimplement chk_wmalloc using chk_xalloc.

* lib.c (chk_wmalloc): Drop the incorrect multiplication
overflow test, and just call chk_xalloc.

1 files changed, 2 insertions, 4 deletions

diff --git a/lib.c b/lib.c
index 06dc76ff..f096045c 100644
--- a/lib.c
+++ b/lib.c
@@ -2655,10 +2655,8 @@ mem_t *chk_manage_vec(mem_t *old, size_t oldfilled, size_t newfilled,
 
 wchar_t *chk_wmalloc(size_t nwchar)
 {
-  size_t size = nwchar * sizeof (wchar_t);
-  if (size < nwchar)
-    uw_throw(error_s, lit("string size overflow"));
-  return coerce(wchar_t *, chk_malloc(sizeof (wchar_t) * nwchar));
+  return coerce(wchar_t *, chk_xalloc(nwchar, sizeof (wchar_t),
+                                      lit("string operation")));
 }
 
 wchar_t *chk_strdup(const wchar_t *str)