X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;ds=sidebyside;f=functions%2Fuchar%2Fc32rtomb.c;h=d9f016dc1e121a7ebd616e2ddcd84cbf19d80c1e;hb=f5333321e880f4e708816d0635b1e338e05b405b;hp=ab5006b5633207f989354373248e50d81583ca0f;hpb=a16d38f68798a7859c38f944373a8c122f7e8cd4;p=pdclib.old

diff --git a/functions/uchar/c32rtomb.c b/functions/uchar/c32rtomb.c
index ab5006b..d9f016d 100644
--- a/functions/uchar/c32rtomb.c
+++ b/functions/uchar/c32rtomb.c
@@ -23,7 +23,10 @@ size_t c32rtomb_l(
     locale_t     restrict   l
 )
 {
-    char32_t *restrict psrc = &c32;
+    char buf[s ? 0 : MB_CUR_MAX];
+    s =      s ? s : buf;
+
+    const char32_t *restrict psrc = &c32;
     size_t srcsz  = 1;
     size_t dstsz  = MB_CUR_MAX;
     size_t dstrem = dstsz;