Dan Albert | e3ea058 | 2015-03-13 23:06:01 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Elliott Hughes | b635162 | 2015-12-04 22:00:26 -0800 | [diff] [blame] | 17 | #include "android-base/logging.h" |
| 18 | #include "android-base/test_utils.h" |
Dan Albert | e3ea058 | 2015-03-13 23:06:01 -0700 | [diff] [blame] | 19 | |
Dan Albert | 26cb8ff | 2015-04-29 11:32:23 -0700 | [diff] [blame] | 20 | #include <fcntl.h> |
Dan Albert | e3ea058 | 2015-03-13 23:06:01 -0700 | [diff] [blame] | 21 | #include <stdio.h> |
| 22 | #include <stdlib.h> |
Dan Albert | 26cb8ff | 2015-04-29 11:32:23 -0700 | [diff] [blame] | 23 | #include <sys/stat.h> |
Dan Albert | e3ea058 | 2015-03-13 23:06:01 -0700 | [diff] [blame] | 24 | #include <unistd.h> |
| 25 | |
Dan Albert | 26cb8ff | 2015-04-29 11:32:23 -0700 | [diff] [blame] | 26 | #if defined(_WIN32) |
| 27 | #include <windows.h> |
Spencer Low | 1a19bb2 | 2015-07-31 20:21:35 -0700 | [diff] [blame] | 28 | #include <direct.h> |
Elliott Hughes | a57126b | 2016-02-17 11:53:54 -0800 | [diff] [blame] | 29 | #define OS_PATH_SEPARATOR '\\' |
| 30 | #else |
| 31 | #define OS_PATH_SEPARATOR '/' |
Dan Albert | 26cb8ff | 2015-04-29 11:32:23 -0700 | [diff] [blame] | 32 | #endif |
| 33 | |
Alex Vallée | d0ac74c | 2015-05-06 16:26:00 -0400 | [diff] [blame] | 34 | #include <string> |
| 35 | |
Spencer Low | 1a19bb2 | 2015-07-31 20:21:35 -0700 | [diff] [blame] | 36 | #ifdef _WIN32 |
| 37 | int mkstemp(char* template_name) { |
| 38 | if (_mktemp(template_name) == nullptr) { |
| 39 | return -1; |
| 40 | } |
| 41 | // Use open() to match the close() that TemporaryFile's destructor does. |
Spencer Low | 87c7169 | 2015-09-01 14:57:58 -0700 | [diff] [blame] | 42 | // Use O_BINARY to match base file APIs. |
| 43 | return open(template_name, O_CREAT | O_EXCL | O_RDWR | O_BINARY, |
| 44 | S_IRUSR | S_IWUSR); |
Spencer Low | 1a19bb2 | 2015-07-31 20:21:35 -0700 | [diff] [blame] | 45 | } |
| 46 | |
| 47 | char* mkdtemp(char* template_name) { |
| 48 | if (_mktemp(template_name) == nullptr) { |
| 49 | return nullptr; |
| 50 | } |
| 51 | if (_mkdir(template_name) == -1) { |
| 52 | return nullptr; |
| 53 | } |
| 54 | return template_name; |
| 55 | } |
| 56 | #endif |
| 57 | |
Alex Vallée | d0ac74c | 2015-05-06 16:26:00 -0400 | [diff] [blame] | 58 | static std::string GetSystemTempDir() { |
Dan Albert | 26cb8ff | 2015-04-29 11:32:23 -0700 | [diff] [blame] | 59 | #if defined(__ANDROID__) |
Alex Vallée | d0ac74c | 2015-05-06 16:26:00 -0400 | [diff] [blame] | 60 | return "/data/local/tmp"; |
Dan Albert | 26cb8ff | 2015-04-29 11:32:23 -0700 | [diff] [blame] | 61 | #elif defined(_WIN32) |
Spencer Low | 1a19bb2 | 2015-07-31 20:21:35 -0700 | [diff] [blame] | 62 | char tmp_dir[MAX_PATH]; |
| 63 | DWORD result = GetTempPathA(sizeof(tmp_dir), tmp_dir); |
| 64 | CHECK_NE(result, 0ul) << "GetTempPathA failed, error: " << GetLastError(); |
| 65 | CHECK_LT(result, sizeof(tmp_dir)) << "path truncated to: " << result; |
| 66 | |
| 67 | // GetTempPath() returns a path with a trailing slash, but init() |
| 68 | // does not expect that, so remove it. |
| 69 | CHECK_EQ(tmp_dir[result - 1], '\\'); |
| 70 | tmp_dir[result - 1] = '\0'; |
| 71 | return tmp_dir; |
Dan Albert | 26cb8ff | 2015-04-29 11:32:23 -0700 | [diff] [blame] | 72 | #else |
Alex Vallée | d0ac74c | 2015-05-06 16:26:00 -0400 | [diff] [blame] | 73 | return "/tmp"; |
Dan Albert | 26cb8ff | 2015-04-29 11:32:23 -0700 | [diff] [blame] | 74 | #endif |
Dan Albert | e3ea058 | 2015-03-13 23:06:01 -0700 | [diff] [blame] | 75 | } |
| 76 | |
Alex Vallée | d0ac74c | 2015-05-06 16:26:00 -0400 | [diff] [blame] | 77 | TemporaryFile::TemporaryFile() { |
| 78 | init(GetSystemTempDir()); |
| 79 | } |
| 80 | |
Dan Albert | e3ea058 | 2015-03-13 23:06:01 -0700 | [diff] [blame] | 81 | TemporaryFile::~TemporaryFile() { |
| 82 | close(fd); |
Alex Vallée | d0ac74c | 2015-05-06 16:26:00 -0400 | [diff] [blame] | 83 | unlink(path); |
Dan Albert | e3ea058 | 2015-03-13 23:06:01 -0700 | [diff] [blame] | 84 | } |
| 85 | |
Alex Vallée | d0ac74c | 2015-05-06 16:26:00 -0400 | [diff] [blame] | 86 | void TemporaryFile::init(const std::string& tmp_dir) { |
Spencer Low | 1a19bb2 | 2015-07-31 20:21:35 -0700 | [diff] [blame] | 87 | snprintf(path, sizeof(path), "%s%cTemporaryFile-XXXXXX", tmp_dir.c_str(), |
| 88 | OS_PATH_SEPARATOR); |
Alex Vallée | d0ac74c | 2015-05-06 16:26:00 -0400 | [diff] [blame] | 89 | fd = mkstemp(path); |
Dan Albert | e3ea058 | 2015-03-13 23:06:01 -0700 | [diff] [blame] | 90 | } |
Alex Vallée | d0ac74c | 2015-05-06 16:26:00 -0400 | [diff] [blame] | 91 | |
Alex Vallée | d0ac74c | 2015-05-06 16:26:00 -0400 | [diff] [blame] | 92 | TemporaryDir::TemporaryDir() { |
| 93 | init(GetSystemTempDir()); |
| 94 | } |
| 95 | |
| 96 | TemporaryDir::~TemporaryDir() { |
| 97 | rmdir(path); |
| 98 | } |
| 99 | |
| 100 | bool TemporaryDir::init(const std::string& tmp_dir) { |
Spencer Low | 1a19bb2 | 2015-07-31 20:21:35 -0700 | [diff] [blame] | 101 | snprintf(path, sizeof(path), "%s%cTemporaryDir-XXXXXX", tmp_dir.c_str(), |
| 102 | OS_PATH_SEPARATOR); |
Alex Vallée | d0ac74c | 2015-05-06 16:26:00 -0400 | [diff] [blame] | 103 | return (mkdtemp(path) != nullptr); |
| 104 | } |
Wei Wang | caee0eb | 2016-10-21 09:23:39 -0700 | [diff] [blame] | 105 | |
| 106 | CapturedStderr::CapturedStderr() : old_stderr_(-1) { |
| 107 | init(); |
| 108 | } |
| 109 | |
| 110 | CapturedStderr::~CapturedStderr() { |
| 111 | reset(); |
| 112 | } |
| 113 | |
| 114 | int CapturedStderr::fd() const { |
| 115 | return temp_file_.fd; |
| 116 | } |
| 117 | |
| 118 | void CapturedStderr::init() { |
| 119 | #if defined(_WIN32) |
| 120 | // On Windows, stderr is often buffered, so make sure it is unbuffered so |
| 121 | // that we can immediately read back what was written to stderr. |
| 122 | CHECK_EQ(0, setvbuf(stderr, NULL, _IONBF, 0)); |
| 123 | #endif |
| 124 | old_stderr_ = dup(STDERR_FILENO); |
| 125 | CHECK_NE(-1, old_stderr_); |
| 126 | CHECK_NE(-1, dup2(fd(), STDERR_FILENO)); |
| 127 | } |
| 128 | |
| 129 | void CapturedStderr::reset() { |
| 130 | CHECK_NE(-1, dup2(old_stderr_, STDERR_FILENO)); |
| 131 | CHECK_EQ(0, close(old_stderr_)); |
| 132 | // Note: cannot restore prior setvbuf() setting. |
| 133 | } |