blob: 918b1c3b8b8fbcaa6dd80d92b197bd819a599155 [file] [log] [blame]
/*
* Copyright (C) 2006 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "WebKitVersionChecks.h"
#import <mach-o/dyld.h>
static int WebKitLinkTimeVersion(void);
static int overridenWebKitLinkTimeVersion;
BOOL WebKitLinkedOnOrAfter(int version)
{
#if !PLATFORM(IOS)
return (WebKitLinkTimeVersion() >= version);
#else
int32_t linkTimeVersion = WebKitLinkTimeVersion();
int32_t majorVersion = linkTimeVersion >> 16 & 0x0000FFFF;
// The application was not linked against UIKit so assume most recent WebKit
if (linkTimeVersion == -1)
return YES;
return (majorVersion >= version);
#endif
}
void setWebKitLinkTimeVersion(int version)
{
overridenWebKitLinkTimeVersion = version;
}
static int WebKitLinkTimeVersion(void)
{
if (overridenWebKitLinkTimeVersion)
return overridenWebKitLinkTimeVersion;
#if !PLATFORM(IOS)
return NSVersionOfLinkTimeLibrary("WebKit");
#else
// <rdar://problem/6627758> Need to implement WebKitLinkedOnOrAfter
// Third party applications do not link against WebKit, but rather against UIKit.
return NSVersionOfLinkTimeLibrary("UIKit");
#endif
}
bool linkedOnOrAfter(SDKVersion sdkVersion)
{
return dyld_get_program_sdk_version() >= static_cast<uint32_t>(sdkVersion);
}