Files
sdk/runtime/bin/platform_win.cc
T
ager@google.com 28b43144e5 Update dart:io to convert strings between UTF8 and current code page
when interacting with the system.

What we get from and need to hand to the VM is utf8. What we
get from and need to hand to the system is in the current
code page.

R=sgjesse@google.com
BUG=

Review URL: https://codereview.chromium.org//11275281

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@14851 260f80e4-7a28-3924-810f-c04153c831b5
2012-11-13 15:03:23 +00:00

91 lines
2.4 KiB
C++

// 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 = GetEnvironmentStrings();
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];
tmp = strings;
for (intptr_t current = 0; current < i; current++) {
result[current] = StringUtils::SystemStringToUtf8(tmp);
tmp += (strlen(tmp) + 1);
}
FreeEnvironmentStrings(strings);
return result;
}
void Platform::FreeEnvironment(char** env, int count) {
for (int i = 0; i < count; i++) free(env[i]);
delete[] env;
}
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;
}