allow fmemopen with zero size

[musl] / src / stdio / fmemopen.c

diff --git a/src/stdio/fmemopen.c b/src/stdio/fmemopen.c
index 82413b2..5685092 100644 (file)
--- 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;
        }