summaryrefslogtreecommitdiff
path: root/src/stdio/vswprintf.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/stdio/vswprintf.c')
-rw-r--r--src/stdio/vswprintf.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/stdio/vswprintf.c b/src/stdio/vswprintf.c
index 7f98c5c9..fc223cf2 100644
--- a/src/stdio/vswprintf.c
+++ b/src/stdio/vswprintf.c
@@ -18,6 +18,7 @@ static size_t sw_write(FILE *f, const unsigned char *s, size_t l)
if (s!=f->wbase && sw_write(f, f->wbase, f->wpos-f->wbase)==-1)
return -1;
while (c->l && l && (i=mbtowc(c->ws, (void *)s, l))>=0) {
+ if (!i) i=1;
s+=i;
l-=i;
c->l--;