Home | History | Annotate | Line # | Download | only in crunchide
exec_ecoff.c revision 1.2 
      1 /*	$NetBSD: exec_ecoff.c,v 1.2 1997/08/02 21:30:18 perry Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1997 Christopher G. Demetriou.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *      This product includes software developed by Christopher G. Demetriou
     17  *	for the NetBSD Project.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include <sys/cdefs.h>
     34 #ifndef lint
     35 __RCSID("$NetBSD: exec_ecoff.c,v 1.2 1997/08/02 21:30:18 perry Exp $");
     36 #endif
     37 
     38 #include <sys/types.h>
     39 #include <sys/stat.h>
     40 #include <stdio.h>
     41 #include <string.h>
     42 #include "extern.h"
     43 
     44 #if defined(NLIST_ECOFF)
     45 
     46 #include <sys/exec_ecoff.h>
     47 
     48 int
     49 check_ecoff(int fd, const char *filename)
     50 {
     51 	struct ecoff_exechdr eh;
     52 	struct stat sb;
     53 
     54 	/*
     55 	 * Check the header to maek sure it's an ECOFF file (of the
     56 	 * appropriate size).
     57 	 */
     58 	if (fstat(fd, &sb) == -1)
     59 		return 0;
     60 	if (sb.st_size < sizeof eh)
     61 		return 0;
     62 	if (read(fd, &eh, sizeof eh) != sizeof eh)
     63 		return 0;
     64 
     65 	if (ECOFF_BADMAG(&eh))
     66 		return 0;
     67 
     68 	return 1;
     69 }
     70 
     71 int
     72 hide_ecoff(int fd, const char *filename)
     73 {
     74 
     75 	fprintf(stderr, "%s: ECOFF executables not currently supported\n",
     76 		filename);
     77 	return 1;
     78 }
     79 
     80 #endif /* defined(NLIST_ECOFF) */
     81