diff options
| -rw-r--r-- | src/buffer.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/buffer.c b/src/buffer.c index f273f45..b508310 100644 --- a/src/buffer.c +++ b/src/buffer.c @@ -166,10 +166,13 @@ int cmark_strbuf_vprintf(cmark_strbuf *buf, const char *format, va_list ap) ENSURE_SIZE(buf, expected_size); while (1) { + va_list args; + va_copy(args, ap); + len = vsnprintf( (char *)buf->ptr + buf->size, buf->asize - buf->size, - format, ap + format, args ); if (len < 0) { |