fix multiple stdio functions' behavior on zero-length operations

[musl] / src / stdio / fwrite.c

diff --git a/src/stdio/fwrite.c b/src/stdio/fwrite.c
index d5f6542..81ec271 100644 (file)
--- a/src/stdio/fwrite.c
+++ b/src/stdio/fwrite.c
@@ -28,7 +28,6 @@ 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 (!l) return l;
        FLOCK(f);
        k = __fwritex(src, l, f);
        FUNLOCK(f);