diff options
| -rw-r--r-- | src/stdio/vswprintf.c | 1 |
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--; |