11dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 2b5f053b5a7deb084e7a052d527e0aa41339ae05cIrina Tirdea * Copyright (C) 2012 The Android Open Source Project 31dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * All rights reserved. 41dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 51dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Redistribution and use in source and binary forms, with or without 61dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * modification, are permitted provided that the following conditions 71dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * are met: 81dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * * Redistributions of source code must retain the above copyright 91dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer. 101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * * Redistributions in binary form must reproduce the above copyright 111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer in 121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * the documentation and/or other materials provided with the 131dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * distribution. 141dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 151dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 161dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 171dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * SUCH DAMAGE. 271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 28b5f053b5a7deb084e7a052d527e0aa41339ae05cIrina Tirdea 291dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <string.h> 30eb847bc8666842a3cfc9c06e8458ad1abebebaf0Elliott Hughes#include "private/ThreadLocalBuffer.h" 31b5f053b5a7deb084e7a052d527e0aa41339ae05cIrina Tirdea 324198fa4c23fc8a1895808a597bb153530f6ea515Elliott Hughesextern "C" const char* __strerror_lookup(int); 334198fa4c23fc8a1895808a597bb153530f6ea515Elliott Hughes 346170693e28dd72a1517c267f3f62b3f37477b8bbElliott Hughesstatic ThreadLocalBuffer<char, NL_TEXTMAX> g_strerror_tls_buffer; 351dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 36b5f053b5a7deb084e7a052d527e0aa41339ae05cIrina Tirdeachar* strerror(int error_number) { 374198fa4c23fc8a1895808a597bb153530f6ea515Elliott Hughes // Just return the original constant in the easy cases. 384198fa4c23fc8a1895808a597bb153530f6ea515Elliott Hughes char* result = const_cast<char*>(__strerror_lookup(error_number)); 396170693e28dd72a1517c267f3f62b3f37477b8bbElliott Hughes if (result != nullptr) { 404198fa4c23fc8a1895808a597bb153530f6ea515Elliott Hughes return result; 414198fa4c23fc8a1895808a597bb153530f6ea515Elliott Hughes } 424198fa4c23fc8a1895808a597bb153530f6ea515Elliott Hughes 436170693e28dd72a1517c267f3f62b3f37477b8bbElliott Hughes result = g_strerror_tls_buffer.get(); 446170693e28dd72a1517c267f3f62b3f37477b8bbElliott Hughes strerror_r(error_number, result, g_strerror_tls_buffer.size()); 456170693e28dd72a1517c267f3f62b3f37477b8bbElliott Hughes return result; 461dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 47