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Diffstat (limited to 'src/multibyte/mbrtoc32.c')
-rw-r--r--src/multibyte/mbrtoc32.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/multibyte/mbrtoc32.c b/src/multibyte/mbrtoc32.c
index c6d20824..9b6b2367 100644
--- a/src/multibyte/mbrtoc32.c
+++ b/src/multibyte/mbrtoc32.c
@@ -3,6 +3,8 @@
size_t mbrtoc32(char32_t *restrict pc32, const char *restrict s, size_t n, mbstate_t *restrict ps)
{
+ static unsigned internal_state;
+ if (!ps) ps = (void *)&internal_state;
if (!s) return mbrtoc32(0, "", 1, ps);
wchar_t wc;
size_t ret = mbrtowc(&wc, s, n, ps);