| // PR c++/80265 |
| // { dg-do compile { target c++14 } } |
| |
| constexpr bool compare() { |
| char s1[] = "foo"; |
| char s2[] = "fxo"; |
| if (!__builtin_memcmp(s1, s2, 3)) |
| return false; |
| s2[1] = 'o'; |
| if (__builtin_memcmp(s1, s2, 3)) |
| return false; |
| if (__builtin_strcmp(s1, s2)) |
| return false; |
| return true; |
| } |
| |
| constexpr bool length() { |
| char s[] = "foo"; |
| if (__builtin_strlen(s) != 3) |
| return false; |
| return true; |
| } |
| |
| constexpr bool find() { |
| char s[] = "foo"; |
| if (__builtin_memchr(s, 'f', 3) != s) |
| return false; |
| if (__builtin_strchr(s, 'o') != s+1) |
| return false; |
| if (__builtin_strstr(s, "oo") != s+1) |
| return false; |
| return true; |
| } |
| |
| static_assert( compare(), "" ); |
| static_assert( length(), "" ); |
| static_assert( find(), "" ); |
