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// Copyright (c) 2011 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.
#import <AppKit/AppKit.h>
#include "base/environment.h"
#include "base/memory/scoped_ptr.h"
#include "base/string_util.h"
#include "content/common/plugin_carbon_interpose_constants_mac.h"
#include "content/plugin/plugin_interpose_util_mac.h"
#if !defined(__LP64__)
void TrimInterposeEnvironment() {
scoped_ptr<base::Environment> env(base::Environment::Create());
std::string interpose_list;
if (!env->GetVar(plugin_interpose_strings::kDYLDInsertLibrariesKey,
&interpose_list)) {
NOTREACHED() << "No interposing libraries set";
return;
}
// The list is a :-separated list of paths. Because we append our interpose
// library just before forking in plugin_process_host.cc, the only cases we
// need to handle are:
// 1) The whole string is "<kInterposeLibraryPath>", so just clear it, or
// 2) ":<kInterposeLibraryPath>" is the end of the string, so trim and re-set.
std::string interpose_library_path(
plugin_interpose_strings::kInterposeLibraryPath);
DCHECK_GE(interpose_list.size(), interpose_library_path.size());
size_t suffix_offset = interpose_list.size() - interpose_library_path.size();
if (suffix_offset == 0 &&
interpose_list == interpose_library_path) {
env->UnSetVar(plugin_interpose_strings::kDYLDInsertLibrariesKey);
} else if (suffix_offset > 0 && interpose_list[suffix_offset - 1] == ':' &&
interpose_list.substr(suffix_offset) == interpose_library_path) {
std::string trimmed_list = interpose_list.substr(0, suffix_offset - 1);
env->SetVar(plugin_interpose_strings::kDYLDInsertLibrariesKey,
trimmed_list.c_str());
} else {
NOTREACHED() << "Missing Carbon interposing library";
}
}
#endif
void InitializeChromeApplication() {
[NSApplication sharedApplication];
mac_plugin_interposing::SetUpCocoaInterposing();
}
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