Hi. Just got a build failure with recent gcc with enabled option FORTIFY_SOURCE=2: In function 'strncpy', inlined from 'rip_outgoing_authentication' at ../../../proto/rip/auth.c:134:5: /usr/include/bits/string3.h:120:10: error: call to __builtin___strncpy_chk will always overflow destination buff er return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest)); ^ make[1]: *** [auth.o] Error 1 make[1]: *** Waiting for unfinished jobs.... make[1]: Leaving directory `/usr/src/RPM/BUILD/bird-1.5.0/build-bird6/proto/rip' make: *** [subdir] Error 2 make: Leaving directory `/usr/src/RPM/BUILD/bird-1.5.0/build-bird6' There is proto/rip/auth.c:134: strncpy( (char *) (&block->packetlen), passwd->password, 16); destination packetlen is u16, so gcc thinks it is overflow. Is it possible to change strncpy with memcpy? -- Vladimir Lettiev aka crux ✉ theCrux@gmail.com