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// Copyright (c) 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 "chrome/renderer/renderer_sandbox_support_linux.h"
#include "base/global_descriptors_posix.h"
#include "base/pickle.h"
#include "base/unix_domain_socket_posix.h"
#include "chrome/common/chrome_descriptors.h"
#include "chrome/common/sandbox_methods_linux.h"
namespace renderer_sandbox_support {
std::string getFontFamilyForCharacters(const uint16_t* utf16, size_t num_utf16) {
Pickle request;
request.WriteInt(LinuxSandbox::METHOD_GET_FONT_FAMILY_FOR_CHARS);
request.WriteInt(num_utf16);
for (size_t i = 0; i < num_utf16; ++i)
request.WriteUInt32(utf16[i]);
uint8_t buf[512];
const int sandbox_fd =
kSandboxIPCChannel + base::GlobalDescriptors::kBaseDescriptor;
const ssize_t n = base::SendRecvMsg(sandbox_fd, buf, sizeof(buf), NULL,
request);
std::string family_name;
if (n != -1) {
Pickle reply(reinterpret_cast<char*>(buf), n);
void* pickle_iter = NULL;
reply.ReadString(&pickle_iter, &family_name);
}
if (!family_name.size()) {
LOG(ERROR) << "Starting code point dump:";
for (size_t i = 0; i < num_utf16; ++i)
LOG(ERROR) << " " << utf16[i];
LOG(FATAL) << "Bug caught: requested font family for " << num_utf16
<< " code points and got an empty string on return";
}
return family_name;
}
} // namespace render_sandbox_support
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