Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/Wstringop-overflow-26.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | |
children |
line wrap: on
line source
/* PR middle-end/79221 - missing -Wstringop-overflow= on a strcat overflow { dg-do compile } { dg-options "-O2 -Wall" } */ extern char* strcat (char*, const char*); char d[3]; void f (int i) { const char *s = i < 0 ? "01234567" : "89abcd"; strcat (d, s); // { dg-warning "'strcat' writing between 7 and 9 bytes into a region of size 3" } */ } void g (int i) { const char *s = i < 0 ? "12345678" : "87654321"; strcat (d, s); // { dg-warning "\\\[-Warray-bounds|-Wstringop-overflow" } }