musl - musl - an implementation of the standard library for Linux-based systems

diff --git a/src/stdio/fwrite.c b/src/stdio/fwrite.c
index fa30c0d3..7a567b2c 100644
--- a/src/stdio/fwrite.c
+++ b/src/stdio/fwrite.c

@@ -28,6 +28,7 @@ size_t __fwritex(const unsigned char *restrict s, size_t l, FILE *restrict f)

size_t fwrite(const void *restrict src, size_t size, size_t nmemb, FILE *restrict f)

{

size_t k, l = size*nmemb;

+ if (!size) nmemb = 0;

FLOCK(f);

k = __fwritex(src, l, f);

FUNLOCK(f);