| // RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -Wcast-qual -verify %s |
| |
| #include <stdint.h> |
| |
| void foo() { |
| const char * const ptr = 0; |
| const char * const *ptrptr = 0; |
| char *y = (char *)ptr; // expected-warning {{cast from 'const char *' to 'char *' drops const qualifier}} |
| char **y1 = (char **)ptrptr; // expected-warning {{cast from 'const char *const' to 'char *' drops const qualifier}} |
| const char **y2 = (const char **)ptrptr; // expected-warning {{cast from 'const char *const *' to 'const char **' drops const qualifier}} |
| |
| char *z = (char *)(uintptr_t)(const void *)ptr; // no warning |
| char *z1 = (char *)(const void *)ptr; // expected-warning {{cast from 'const void *' to 'char *' drops const qualifier}} |
| |
| volatile char *vol = 0; |
| char *vol2 = (char *)vol; // expected-warning {{cast from 'volatile char *' to 'char *' drops volatile qualifier}} |
| const volatile char *volc = 0; |
| char *volc2 = (char *)volc; // expected-warning {{cast from 'const volatile char *' to 'char *' drops const and volatile qualifiers}} |
| |
| int **intptrptr; |
| const int **intptrptrc = (const int **)intptrptr; // expected-warning {{cast from 'int **' to 'const int **' must have all intermediate pointers const qualified}} |
| volatile int **intptrptrv = (volatile int **)intptrptr; // expected-warning {{cast from 'int **' to 'volatile int **' must have all intermediate pointers const qualified}} |
| |
| int *intptr; |
| const int *intptrc = (const int *)intptr; // no warning |
| |
| const char **charptrptrc; |
| char **charptrptr = (char **)charptrptrc; // expected-warning {{cast from 'const char *' to 'char *' drops const qualifier}} |
| } |