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| author | gregorycu <gregory.currie@gmail.com> | 2016-01-03 18:25:09 +1100 |
|---|---|---|
| committer | Loic Blot <loic.blot@unix-experience.fr> | 2016-01-03 15:37:49 +0100 |
| commit | 87dcee6ac2058bbf5264ea7f82874bba67277252 (patch) | |
| tree | b4a9a20f0de72d0af79fe3af505a84bde2cd09aa | |
| parent | a7c50a3080e55a6cf11175a60121696de7393dba (diff) | |
| download | minetest-87dcee6ac2058bbf5264ea7f82874bba67277252.tar.gz minetest-87dcee6ac2058bbf5264ea7f82874bba67277252.tar.bz2 minetest-87dcee6ac2058bbf5264ea7f82874bba67277252.zip | |
Prevent technically unsafe access with empty vector
| -rw-r--r-- | src/network/networkpacket.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/network/networkpacket.cpp b/src/network/networkpacket.cpp index b5e451cdb..2b308f334 100644 --- a/src/network/networkpacket.cpp +++ b/src/network/networkpacket.cpp @@ -77,6 +77,9 @@ void NetworkPacket::putRawString(const char* src, u32 len) m_data.resize(m_datasize); } + if (m_datasize == 0) + return; + memcpy(&m_data[m_read_offset], src, len); m_read_offset += len; } |