| /* 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" } */ |
| }; |
