Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/Wstringop-overflow-26.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 1830386684a0 |
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/* 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" } }