Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/pr78138.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
line wrap: on
line source
/* PR middle-end/78138 - missing warnings on buffer overflow with non-constant source length { dg-do compile } { dg-options "-O2 -Wformat-overflow" } */ char d [5]; __extension__ typedef __SIZE_TYPE__ size_t; void* memcpy (void*, const void*, size_t); extern char* strcpy (char*, const char*); void f (int i, int j) { strcpy (d, j ? "12345" : "123456"); /* { dg-warning ".strcpy. writing between 6 and 7 bytes into a region of size 5 " } */ } void g (void *p) { extern unsigned n; if (n < 17 || 32 < n) n = 7; memcpy (d, p, n); /* { dg-warning ".memcpy. writing between 7 and 32 bytes into a region of size 5" } */ };