// RUN: %clang_cc1 -Wformat %s -verify // RUN: %clang_cc1 -Wformat -std=c23 %s -verify // RUN: %clang_cc1 -xc++ -Wformat %s -verify // RUN: %clang_cc1 -xobjective-c -Wformat -fblocks %s -verify // RUN: %clang_cc1 -xobjective-c++ -Wformat -fblocks %s -verify // RUN: %clang_cc1 -std=c23 -Wformat %s -pedantic -verify=expected,pedantic // RUN: %clang_cc1 -xc++ -Wformat %s -pedantic -verify=expected,pedantic // RUN: %clang_cc1 -xobjective-c -Wformat -fblocks -pedantic %s -verify=expected,pedantic __attribute__((__format__(__printf__, 1, 2))) int printf(const char *, ...); __attribute__((__format__(__scanf__, 1, 2))) int scanf(const char *, ...); void f(void *vp, const void *cvp, char *cp, signed char *scp, int *ip) { int arr[2]; printf("%p", cp); printf("%p", cvp); printf("%p", vp); printf("%p", scp); printf("%p", ip); // pedantic-warning {{format specifies type 'void *' but the argument has type 'int *'}} printf("%p", arr); // pedantic-warning {{format specifies type 'void *' but the argument has type 'int *'}} scanf("%p", &vp); scanf("%p", &cvp); scanf("%p", (void *volatile*)&vp); scanf("%p", (const void *volatile*)&cvp); scanf("%p", &cp); // pedantic-warning {{format specifies type 'void **' but the argument has type 'char **'}} scanf("%p", &ip); // pedantic-warning {{format specifies type 'void **' but the argument has type 'int **'}} scanf("%p", &arr); // expected-warning {{format specifies type 'void **' but the argument has type 'int (*)[2]'}} #if !__is_identifier(nullptr) typedef __typeof__(nullptr) nullptr_t; nullptr_t np = nullptr; nullptr_t *npp = &np; printf("%p", np); scanf("%p", &np); // expected-warning {{format specifies type 'void **' but the argument has type 'nullptr_t *'}} scanf("%p", &npp); // pedantic-warning {{format specifies type 'void **' but the argument has type 'nullptr_t **'}} #endif #ifdef __OBJC__ id i = 0; void (^b)(void) = ^{}; printf("%p", i); // pedantic-warning {{format specifies type 'void *' but the argument has type 'id'}} printf("%p", b); // pedantic-warning {{format specifies type 'void *' but the argument has type 'void (^)(void)'}} scanf("%p", &i); // pedantic-warning {{format specifies type 'void **' but the argument has type 'id *'}} scanf("%p", &b); // pedantic-warning {{format specifies type 'void **' but the argument has type 'void (^*)(void)'}} #endif }