| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #include "bin/platform.h" |
| #include "bin/socket.h" |
| |
| |
| bool Platform::Initialize() { |
| // Nothing to do on Windows. |
| return true; |
| } |
| |
| |
| int Platform::NumberOfProcessors() { |
| SYSTEM_INFO info; |
| GetSystemInfo(&info); |
| return info.dwNumberOfProcessors; |
| } |
| |
| |
| const char* Platform::OperatingSystem() { |
| return "windows"; |
| } |
| |
| |
| bool Platform::LocalHostname(char *buffer, intptr_t buffer_length) { |
| static bool socket_initialized = false; |
| if (!socket_initialized) { |
| // Initialize Socket for gethostname. |
| if (!Socket::Initialize()) return false; |
| socket_initialized = true; |
| } |
| return gethostname(buffer, buffer_length) == 0; |
| } |
| |
| |
| char** Platform::Environment(intptr_t* count) { |
| char* strings = GetEnvironmentStringsA(); |
| if (strings == NULL) return NULL; |
| char* tmp = strings; |
| intptr_t i = 0; |
| while (*tmp != '\0') { |
| i++; |
| tmp += (strlen(tmp) + 1); |
| } |
| *count = i; |
| char** result = new char*[i]; |
| for (intptr_t current = 0; current < i; current++) { |
| result[current] = strings; |
| strings += (strlen(strings) + 1); |
| } |
| return result; |
| } |
| |
| |
| char* Platform::StrError(int error_code) { |
| static const int kBufferSize = 1024; |
| char* error = static_cast<char*>(malloc(kBufferSize)); |
| DWORD message_size = |
| FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, |
| NULL, |
| error_code, |
| MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
| error, |
| kBufferSize, |
| NULL); |
| if (message_size == 0) { |
| if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) { |
| fprintf(stderr, "FormatMessage failed %d\n", GetLastError()); |
| } |
| snprintf(error, kBufferSize, "OS Error %d", error_code); |
| } |
| // Strip out \r\n at the end of the generated message and ensure |
| // null termination. |
| if (message_size > 2 && |
| error[message_size - 2] == '\r' && |
| error[message_size - 1] == '\n') { |
| error[message_size - 2] = '\0'; |
| } else { |
| error[kBufferSize - 1] = '\0'; |
| } |
| return error; |
| } |