projects / apple / boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 14c7c974 A |
1 | /* |
| 2 | * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 6 | * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights | |
| 7 | * Reserved. This file contains Original Code and/or Modifications of | |
| 8 | * Original Code as defined in and that are subject to the Apple Public | |
| 9 | * Source License Version 1.1 (the "License"). You may not use this file | |
| 10 | * except in compliance with the License. Please obtain a copy of the | |
| 11 | * License at http://www.apple.com/publicsource and read it before using | |
| 12 | * this file. | |
| 13 | * | |
| 14 | * The Original Code and all software distributed under the License are | |
| 15 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 16 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 17 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the | |
| 19 | * License for the specific language governing rights and limitations | |
| 20 | * under the License. | |
| 21 | * | |
| 22 | * @APPLE_LICENSE_HEADER_END@ | |
| 23 | */ | |
| 24 | /* | |
| 25 | * Copyright 1993 NeXT, Inc. | |
| 26 | * All rights reserved. | |
| 27 | */ | |
| 28 | ||
| 29 | #import "libsa.h" | |
| 30 | ||
| 31 | /* | |
| 32 | * This routine returns the segment_command structure for the named segment if | |
| 33 | * it exist in the mach executible it is linked into. Otherwise it returns | |
| 34 | * zero. It uses the specified mach_header pointer and just looks through the | |
| 35 | * load commands. | |
| 36 | */ | |
| 37 | struct segment_command * | |
| 38 | getsegbynamefromheader( | |
| 39 | struct mach_header *mhp, | |
| 40 | char *segname) | |
| 41 | { | |
| 42 | struct segment_command *sgp; | |
| 43 | long i; | |
| 44 | ||
| 45 | sgp = (struct segment_command *) | |
| 46 | ((char *)mhp + sizeof(struct mach_header)); | |
| 47 | for(i = 0; i < mhp->ncmds; i++){ | |
| 48 | if(sgp->cmd == LC_SEGMENT) | |
| 49 | if(strncmp(sgp->segname, segname, sizeof(sgp->segname)) == 0) | |
| 50 | return(sgp); | |
| 51 | sgp = (struct segment_command *)((char *)sgp + sgp->cmdsize); | |
| 52 | } | |
| 53 | return((struct segment_command *)0); | |
| 54 | } |