48 lines · cpp
1// RUN: %clangxx %collect_stack_traces -O0 %s -o %t2 3// Alignment is not a power of two:4// RUN: %env_tool_opts=allocator_may_return_null=0 not %run %t 17 2>&1 | FileCheck %s5// Alignment is not a power of two, although is a multiple of sizeof(void*):6// RUN: %env_tool_opts=allocator_may_return_null=0 not %run %t 24 2>&1 | FileCheck %s7// Alignment is not a multiple of sizeof(void*), although is a power of 2:8// RUN: %env_tool_opts=allocator_may_return_null=0 not %run %t 2 2>&1 | FileCheck %s9// Alignment is 0:10// RUN: %env_tool_opts=allocator_may_return_null=0 not %run %t 0 2>&1 | FileCheck %s11 12// The same for allocator_may_return_null=1:13// RUN: %env_tool_opts=allocator_may_return_null=1 %run %t 17 2>&1 | FileCheck %s --check-prefix=CHECK-NULL14// RUN: %env_tool_opts=allocator_may_return_null=1 %run %t 24 2>&1 | FileCheck %s --check-prefix=CHECK-NULL15// RUN: %env_tool_opts=allocator_may_return_null=1 %run %t 2 2>&1 | FileCheck %s --check-prefix=CHECK-NULL16// RUN: %env_tool_opts=allocator_may_return_null=1 %run %t 0 2>&1 | FileCheck %s --check-prefix=CHECK-NULL17 18// REQUIRES: stable-runtime19 20// UNSUPPORTED: ubsan21 22#include <assert.h>23#include <errno.h>24#include <stdio.h>25#include <stdlib.h>26 27int main(int argc, char **argv) {28 assert(argc == 2);29 const int alignment = atoi(argv[1]);30 31 void* const kInitialPtrValue = reinterpret_cast<void*>(0x2a);32 void *p = kInitialPtrValue;33 34 errno = 0;35 int res = posix_memalign(&p, alignment, 100);36 // CHECK: {{ERROR: .*Sanitizer: invalid alignment requested in posix_memalign}}37 // CHECK: {{#0 .*posix_memalign}}38 // CHECK: {{#[12] .*main .*posix_memalign-alignment.cpp:}}[[@LINE-3]]39 // CHECK: {{SUMMARY: .*Sanitizer: invalid-posix-memalign-alignment}}40 41 // The NULL pointer is printed differently on different systems, while (long)042 // is always the same.43 fprintf(stderr, "errno: %d, res: %d, p: %lx\n", errno, res, (long)p);44 // CHECK-NULL: errno: 0, res: 22, p: 2a45 46 return 0;47}48