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

diff --git a/src/stdio/fmemopen.c b/src/stdio/fmemopen.c
index 82413b2d..5685092e 100644
--- a/src/stdio/fmemopen.c
+++ b/src/stdio/fmemopen.c

@@ -83,7 +83,7 @@ FILE *fmemopen(void *restrict buf, size_t size, const char *restrict mode)

struct mem_FILE *f;

int plus = !!strchr(mode, '+');

- if (!size || !strchr("rwa", *mode)) {

+ if (!strchr("rwa", *mode)) {

errno = EINVAL;

return 0;

}