26 lines
671 B
C++
26 lines
671 B
C++
/*
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* Copyright 2022 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "tools/SkGetExecutablePath.h"
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#include <cstddef>
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#include <linux/limits.h>
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#include <sys/types.h>
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#include <unistd.h>
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// Note that /proc/self/exe is Linux-specific; this won't work on other UNIX systems.
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std::string SkGetExecutablePath() {
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std::string result(PATH_MAX, '\0');
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ssize_t len = readlink("/proc/self/exe", result.data(), result.size() - 1);
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if (len < 0 || static_cast<size_t>(len) >= PATH_MAX - 1) {
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result.clear();
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} else {
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result.resize(len);
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}
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return result;
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}
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