| // Copyright 2009 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/posix/safe_strerror.h" |
| |
| #include <errno.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include "base/stl_util.h" |
| #include "build/build_config.h" |
| |
| #if defined(OS_ANDROID) |
| #include <android/api-level.h> |
| #endif |
| |
| namespace base { |
| |
| void safe_strerror_r(int err, char* buf, size_t len) { |
| #if defined(__GLIBC__) || \ |
| (defined(OS_ANDROID) && defined(_GNU_SOURCE) && __ANDROID_API__ >= 23) |
| char* ret = strerror_r(err, buf, len); |
| if (ret != buf) { |
| snprintf(buf, len, "%s", ret); |
| } |
| #else |
| int result = strerror_r(err, buf, len); |
| if (result != 0) { |
| snprintf(buf, |
| len, |
| "Error %d while retrieving error %d", |
| result > 0 ? result : errno, |
| err); |
| } |
| #endif |
| } |
| |
| std::string safe_strerror(int err) { |
| char buf[256]; |
| safe_strerror_r(err, buf, size(buf)); |
| return std::string(buf); |
| } |
| |
| } // namespace base |