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Neels Hofmeyr gerrit-no-reply at lists.osmocom.org
Review at https://gerrit.osmocom.org/4940
osmo_strlcpy: sanitize: don't memcpy from NULL src even if len is 0
Change-Id: I883048cf2807e606c6481634dbd569fc12aed889
---
M src/utils.c
1 file changed, 2 insertions(+), 1 deletion(-)
git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/40/4940/1
diff --git a/src/utils.c b/src/utils.c
index f63ff89..bc5329d 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -385,7 +385,8 @@
if (siz) {
size_t len = (ret >= siz) ? siz - 1 : ret;
- memcpy(dst, src, len);
+ if (src)
+ memcpy(dst, src, len);
dst[len] = '\0';
}
return ret;
--
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I883048cf2807e606c6481634dbd569fc12aed889
Gerrit-PatchSet: 1
Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Owner: Neels Hofmeyr <nhofmeyr at sysmocom.de>