// RUN: %clang_cc1 -fsyntax-only -verify %s // RUN: %clang_cc1 -fsyntax-only -triple x86_64-apple-darwin9 -verify %s int a[10]; int f0() { return __builtin_object_size(&a); // expected-error {{too few arguments to function}} } int f1() { return (__builtin_object_size(&a, 0) + __builtin_object_size(&a, 1) + __builtin_object_size(&a, 2) + __builtin_object_size(&a, 3)); } int f2() { return __builtin_object_size(&a, -1); // expected-error {{argument should be a value from 0 to 3}} } int f3() { return __builtin_object_size(&a, 4); // expected-error {{argument should be a value from 0 to 3}} } // rdar://6252231 - cannot call vsnprintf with va_list on x86_64 void f4(const char *fmt, ...) { __builtin_va_list args; __builtin___vsnprintf_chk (0, 42, 0, 11, fmt, args); // expected-warning {{'__builtin___vsnprintf_chk' will always overflow destination buffer}} } // rdar://18334276 typedef __typeof__(sizeof(int)) size_t; void * memcset(void *restrict dst, int src, size_t n); void * memcpy(void *restrict dst, const void *restrict src, size_t n); #define memset(dest, src, len) __builtin___memset_chk(dest, src, len, __builtin_object_size(dest, 0)) #define memcpy(dest, src, len) __builtin___memcpy_chk(dest, src, len, __builtin_object_size(dest, 0)) #define memcpy1(dest, src, len) __builtin___memcpy_chk(dest, src, len, __builtin_object_size(dest, 4)) #define NULL ((void *)0) void f5(void) { char buf[10]; memset((void *)0x100000000ULL, 0, 0x1000); memcpy((char *)NULL + 0x10000, buf, 0x10); memcpy1((char *)NULL + 0x10000, buf, 0x10); // expected-error {{argument should be a value from 0 to 3}} } // rdar://18431336 void f6(void) { char b[5]; char buf[10]; __builtin___memccpy_chk (buf, b, '\0', sizeof(b), __builtin_object_size (buf, 0)); __builtin___memccpy_chk (b, buf, '\0', sizeof(buf), __builtin_object_size (b, 0)); // expected-warning {{'__builtin___memccpy_chk' will always overflow destination buffer}} }