90 lines
2.7 KiB
C++
90 lines
2.7 KiB
C++
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE 1
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#endif
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#include <string.h>
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#if defined(basename)
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#error basename should not be defined at this point
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#endif
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static const char* gnu_basename(const char* in) {
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return basename(in);
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}
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#include <libgen.h>
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#if !defined(basename)
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#error basename should be defined at this point
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#endif
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static char* posix_basename(char* in) {
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return basename(in);
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}
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#include <errno.h>
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#include <gtest/gtest.h>
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static void __TestGnuBasename(const char* in, const char* expected_out, int line) {
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errno = 0;
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const char* out = gnu_basename(in);
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ASSERT_STREQ(expected_out, out) << "(" << line << "): " << in << std::endl;
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ASSERT_EQ(0, errno) << "(" << line << "): " << in << std::endl;
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}
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static void __TestPosixBasename(const char* in, const char* expected_out, int line) {
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char* writable_in = (in != NULL) ? strdup(in) : NULL;
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errno = 0;
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const char* out = posix_basename(&writable_in[0]);
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ASSERT_STREQ(expected_out, out) << "(" << line << "): " << in << std::endl;
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ASSERT_EQ(0, errno) << "(" << line << "): " << in << std::endl;
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free(writable_in);
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}
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#define TestGnuBasename(in, expected) __TestGnuBasename(in, expected, __LINE__)
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#define TestPosixBasename(in, expected) __TestPosixBasename(in, expected, __LINE__)
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TEST(libgen_basename, gnu_basename) {
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// GNU's basename doesn't accept NULL
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// TestGnuBasename(NULL, ".");
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TestGnuBasename("", "");
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TestGnuBasename("/usr/lib", "lib");
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TestGnuBasename("/system/bin/sh/", "");
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TestGnuBasename("/usr/", "");
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TestGnuBasename("usr", "usr");
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TestGnuBasename("/", "");
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TestGnuBasename(".", ".");
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TestGnuBasename("..", "..");
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TestGnuBasename("///", "");
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TestGnuBasename("//usr//lib//", "");
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}
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TEST(libgen_basename, posix_basename) {
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TestPosixBasename(NULL, ".");
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TestPosixBasename("", ".");
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TestPosixBasename("/usr/lib", "lib");
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TestPosixBasename("/system/bin/sh/", "sh");
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TestPosixBasename("/usr/", "usr");
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TestPosixBasename("usr", "usr");
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TestPosixBasename("/", "/");
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TestPosixBasename(".", ".");
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TestPosixBasename("..", "..");
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TestPosixBasename("///", "/");
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TestPosixBasename("//usr//lib//", "lib");
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}
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