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

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

diff options

author	Rich Felker <dalias@aerifal.cx>	2019年06月25日 17:47:12 -0400
committer	Rich Felker <dalias@aerifal.cx>	2019年06月25日 17:47:12 -0400
commit	95dfa3dd12108f42b23a1083e7b32266246a3590 (patch)
tree	c67a8bdd122491008d5b84d1037d941c033c39e6 /src/stdio/fmemopen.c
parent	a48ccc159a5fa061a18419296100ee48a1cd6cc9 (diff)
download	musl-95dfa3dd12108f42b23a1083e7b32266246a3590.tar.gz

allow fmemopen with zero size

previously, POSIX erroneously required this to fail with EINVAL despite the traditional glibc implementation, on which the POSIX interface was based, allowing it. the resolution of Austin Group issue 818 removes the requirement to fail.

Diffstat (limited to 'src/stdio/fmemopen.c')

-rw-r--r--

src/stdio/fmemopen.c

1 files changed, 1 insertions, 1 deletions

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;

}

generated by cgit v1.2.1 (git 2.18.0) at 2025年10月04日 18:32:22 +0000