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-rw-r--r--src/inttypes/wcstoumax.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/inttypes/wcstoumax.c b/src/inttypes/wcstoumax.c
index de1f1058..59788f90 100644
--- a/src/inttypes/wcstoumax.c
+++ b/src/inttypes/wcstoumax.c
@@ -9,6 +9,7 @@
uintmax_t wcstoumax(const wchar_t * restrict nptr, wchar_t ** restrict endptr, int base)
{
SIGNAL_SAFE(0);
+ ASSERT_NOOVERLAP(nptr, wcslen(nptr), endptr, sizeof(*endptr));
uintmax_t ret = 0;
uintmax_t max = UINTMAX_MAX;