diff options
| author | Laurent Bercot <ska-skaware@skarnet.org> | 2023-12-18 13:41:53 +0000 |
|---|---|---|
| committer | Laurent Bercot <ska@appnovation.com> | 2023-12-18 13:41:53 +0000 |
| commit | 37b38dadd77079cd7e537f247dcb0a45301e539b (patch) | |
| tree | 08460e459bc8a5daad9d5abeee28ec6ecacb07ff | |
| parent | 8aae9ebac033ad235ef213c4a3073d7bca9a2611 (diff) | |
| download | skalibs-37b38dadd77079cd7e537f247dcb0a45301e539b.tar.xz | |
Fix more small UBs
Signed-off-by: Laurent Bercot <ska@appnovation.com>
| -rw-r--r-- | src/libstddjb/siovec_gather.c | 2 | ||||
| -rw-r--r-- | src/libstddjb/stralloc_copyb.c | 1 |
2 files changed, 2 insertions, 1 deletions
diff --git a/src/libstddjb/siovec_gather.c b/src/libstddjb/siovec_gather.c index a037b0c..4288141 100644 --- a/src/libstddjb/siovec_gather.c +++ b/src/libstddjb/siovec_gather.c @@ -12,7 +12,7 @@ size_t siovec_gather (struct iovec const *v, unsigned int n, char *s, size_t max { size_t len = v[i].iov_len ; if (len > max - w) len = max - w ; - memmove(s + w, v[i].iov_base, len) ; + if (len) memmove(s + w, v[i].iov_base, len) ; w += len ; } return w ; diff --git a/src/libstddjb/stralloc_copyb.c b/src/libstddjb/stralloc_copyb.c index 26c3a4c..f32c3e5 100644 --- a/src/libstddjb/stralloc_copyb.c +++ b/src/libstddjb/stralloc_copyb.c @@ -5,6 +5,7 @@ int stralloc_copyb (stralloc *sa, char const *s, size_t n) { + if (!n) return 1 ; if (!stralloc_ready(sa, n)) return 0 ; memmove(sa->s, s, n) ; sa->len = n ; |