Merge "fix warning: Null pointer argument in call to memory comparison function" am: ce07b6fa4f am: 90cc4fd6a4

am: 18fa5f7558

Change-Id: Ib990ecea8744c4291cb23b9bc0e35601d02ec869
This commit is contained in:
Yunlian Jiang 2017-02-09 17:28:11 +00:00 committed by android-build-merger
commit f34b03a92c

View file

@ -561,10 +561,12 @@ bool NetlinkEvent::parseBinaryNetlinkMessage(char *buffer, int size) {
static const char*
has_prefix(const char* str, const char* end, const char* prefix, size_t prefixlen)
{
if ((end-str) >= (ptrdiff_t)prefixlen && !memcmp(str, prefix, prefixlen))
if ((end - str) >= (ptrdiff_t)prefixlen &&
(prefixlen == 0 || !memcmp(str, prefix, prefixlen))) {
return str + prefixlen;
else
} else {
return NULL;
}
}
/* Same as strlen(x) for constant string literals ONLY */