48 lines
1.9 KiB
C++
48 lines
1.9 KiB
C++
// RUN: %clangxx %collect_stack_traces -O0 %s -o %t
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// Alignment is not a power of two:
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// RUN: %env_tool_opts=allocator_may_return_null=0 not %run %t 17 2>&1 | FileCheck %s
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// Alignment is not a power of two, although is a multiple of sizeof(void*):
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// RUN: %env_tool_opts=allocator_may_return_null=0 not %run %t 24 2>&1 | FileCheck %s
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// Alignment is not a multiple of sizeof(void*), although is a power of 2:
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// RUN: %env_tool_opts=allocator_may_return_null=0 not %run %t 2 2>&1 | FileCheck %s
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// Alignment is 0:
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// RUN: %env_tool_opts=allocator_may_return_null=0 not %run %t 0 2>&1 | FileCheck %s
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// The same for allocator_may_return_null=1:
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// RUN: %env_tool_opts=allocator_may_return_null=1 %run %t 17 2>&1 | FileCheck %s --check-prefix=CHECK-NULL
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// RUN: %env_tool_opts=allocator_may_return_null=1 %run %t 24 2>&1 | FileCheck %s --check-prefix=CHECK-NULL
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// RUN: %env_tool_opts=allocator_may_return_null=1 %run %t 2 2>&1 | FileCheck %s --check-prefix=CHECK-NULL
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// RUN: %env_tool_opts=allocator_may_return_null=1 %run %t 0 2>&1 | FileCheck %s --check-prefix=CHECK-NULL
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// REQUIRES: stable-runtime
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// UNSUPPORTED: ubsan
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#include <assert.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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int main(int argc, char **argv) {
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assert(argc == 2);
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const int alignment = atoi(argv[1]);
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void* const kInitialPtrValue = reinterpret_cast<void*>(0x2a);
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void *p = kInitialPtrValue;
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errno = 0;
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int res = posix_memalign(&p, alignment, 100);
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// CHECK: {{ERROR: .*Sanitizer: invalid alignment requested in posix_memalign}}
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// CHECK: {{#0 .*posix_memalign}}
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// CHECK: {{#[12] .*main .*posix_memalign-alignment.cpp:}}[[@LINE-3]]
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// CHECK: {{SUMMARY: .*Sanitizer: invalid-posix-memalign-alignment}}
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// The NULL pointer is printed differently on different systems, while (long)0
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// is always the same.
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fprintf(stderr, "errno: %d, res: %d, p: %lx\n", errno, res, (long)p);
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// CHECK-NULL: errno: 0, res: 22, p: 2a
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return 0;
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}
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