/*
 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
 * Reserved.  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 1.1 (the "License").  You may not use this file
 * except in compliance with the License.  Please obtain a copy of the
 * License at http://www.apple.com/publicsource 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 OR NON- INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * Copyright 1993 NeXT, Inc.
 * All rights reserved.
 */

#import "libsa.h"

/*
 * This routine returns the segment_command structure for the named segment if
 * it exist in the mach executible it is linked into.  Otherwise it returns
 * zero.  It uses the specified mach_header pointer and just looks through the
 * load commands.
 */
struct segment_command *
getsegbynamefromheader(
struct mach_header *mhp,
char *segname)
{
	struct segment_command *sgp;
	long i;

	sgp = (struct segment_command *)
	      ((char *)mhp + sizeof(struct mach_header));
	for(i = 0; i < mhp->ncmds; i++){
	    if(sgp->cmd == LC_SEGMENT)
		if(strncmp(sgp->segname, segname, sizeof(sgp->segname)) == 0)
		    return(sgp);
	    sgp = (struct segment_command *)((char *)sgp + sgp->cmdsize);
	}
	return((struct segment_command *)0);
}