text: /*
   * Copyright (c) 2011 Apple Inc. All rights reserved.
   *
   * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   * 
   * This file contains Original Code and/or Modifications of Original Code
   * as defined in and that are subject to the Apple Public Source License
   * Version 2.0 (the 'License'). You may not use this file except in
   * compliance with the License. The rights granted to you under the License
   * may not be used to create, or enable the creation or redistribution of,
   * unlawful or unlicensed copies of an Apple operating system, or to
   * circumvent, violate, or enable the circumvention or violation of, any
   * terms of an Apple operating system software license agreement.
   * 
   * Please obtain a copy of the License at
   * http://www.opensource.apple.com/apsl/ and read it before using this file.
   * 
   * The Original Code and all software distributed under the License are
   * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
   * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
   * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
   * Please see the License for the specific language governing rights and
   * limitations under the License.
   * 
   * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
   */
  #include <string.h>
  #include <mach-o/loader.h>
  #include <sys/types.h>
  
  #define DEBUG_ASSERT_COMPONENT_NAME_STRING "kxld"
  #include <AssertMacros.h>
  
  #include "kxld_util.h"
  #include "kxld_srcversion.h"
  
  /*******************************************************************************
   *******************************************************************************/
  void
  kxld_srcversion_init_from_macho(KXLDsrcversion *srcversion, struct source_version_command *src)
  {
      check(srcversion);
      check(src);
  
      srcversion->version = src->version;
      srcversion->has_srcversion = TRUE;
  }
  
  /*******************************************************************************
   *******************************************************************************/
  void
  kxld_srcversion_clear(KXLDsrcversion *srcversion)
  {
      bzero(srcversion, sizeof(*srcversion));
  }
  
  /*******************************************************************************
   *******************************************************************************/
  u_long
  kxld_srcversion_get_macho_header_size(void)
  {
      return sizeof(struct source_version_command);
  }
  
  /*******************************************************************************
   *******************************************************************************/
  kern_return_t
  kxld_srcversion_export_macho(const KXLDsrcversion *srcversion, u_char *buf, 
                         u_long *header_offset, u_long header_size)
  {
      kern_return_t rval = KERN_FAILURE;
      struct source_version_command *srcversionhdr = NULL;
  
      check(srcversion);
      check(buf);
      check(header_offset);
  
      require_action(sizeof(*srcversionhdr) <= header_size - *header_offset, finish,
                     rval=KERN_FAILURE);
      srcversionhdr = (struct source_version_command *) ((void *) (buf + *header_offset));
      *header_offset += sizeof(*srcversionhdr);
  
      srcversionhdr->cmd = LC_SOURCE_VERSION;
      srcversionhdr->cmdsize = (uint32_t) sizeof(*srcversionhdr);
      srcversionhdr->version = srcversion->version;
  
      rval = KERN_SUCCESS;
  
  finish:
     return rval;
  }
  
  