42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
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/*
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#include <cstdarg>
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#include <stdio.h>
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#include <fb/assert.h>
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#include <fb/log.h>
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namespace facebook {
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#define ASSERT_BUF_SIZE 4096
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static char sAssertBuf[ASSERT_BUF_SIZE];
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static AssertHandler gAssertHandler;
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void assertInternal(const char* formatstr ...) {
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va_list va_args;
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va_start(va_args, formatstr);
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vsnprintf(sAssertBuf, sizeof(sAssertBuf), formatstr, va_args);
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va_end(va_args);
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if (gAssertHandler != NULL) {
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gAssertHandler(sAssertBuf);
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}
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FBLOG(LOG_FATAL, "fbassert", "%s", sAssertBuf);
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// crash at this specific address so that we can find our crashes easier
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*(int*)0xdeadb00c = 0;
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// let the compiler know we won't reach the end of the function
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__builtin_unreachable();
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}
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void setAssertHandler(AssertHandler assertHandler) {
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gAssertHandler = assertHandler;
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}
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} // namespace facebook
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