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-rw-r--r--src/stdlib/wcstombs.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/stdlib/wcstombs.c b/src/stdlib/wcstombs.c
index 1d9dd4eb..62524aa3 100644
--- a/src/stdlib/wcstombs.c
+++ b/src/stdlib/wcstombs.c
@@ -1,4 +1,5 @@
#include <stdlib.h>
+#include <wchar.h>
#include "_stdlib.h"
/** convert wide character string to multibyte string **/
@@ -6,6 +7,7 @@
size_t wcstombs(char * restrict s, const wchar_t * restrict pwcs, size_t n)
{
SIGNAL_SAFE(0);
+ ASSERT_NOOVERLAP(s, n, pwcs, wcslen(pwcs));
(void)s; (void)pwcs; (void)n;
/* TODO */