zerodivcond
ftp://ftp.de.debian.org/debian/pool/main/d/ddnet/ddnet_19.1.orig.tar.xz
2.20.0 DDNet-19.1/src/engine/external/zlib/gzread.c:399:43: warning: Either the condition 'size' is redundant or there is division by zero at line 399. [zerodivcond]
2.20.0 DDNet-19.1/src/engine/external/zlib/gzwrite.c:283:44: warning: Either the condition 'size' is redundant or there is division by zero at line 283. [zerodivcond]