usr/src/usr.bin/size/size.c

/*
 * Copyright (c) 1988 Regents of the University of California.
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University 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 THE REGENTS AND 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 THE REGENTS OR 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.
 */

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1988 Regents of the University of California.\n\
 All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)size.c      4.7 (Berkeley) 6/1/90";
#endif /* not lint */

#include <sys/param.h>
#include <sys/file.h>
#include <a.out.h>
#include <stdio.h>

main(argc, argv)
        int argc;
        char **argv;
{
        struct exec head;
        u_long total;
        int exval, fd, first;

        if (!*argv[1])
                *argv = "a.out";
        else
                ++argv;
        for (first = 1, exval = 0; *argv; ++argv) {
                if ((fd = open(*argv, O_RDONLY, 0)) < 0) {
                        fprintf(stderr, "size: ");
                        perror(*argv);
                        exval = 1;
                        continue;
                }
                if (read(fd, (char *)&head, sizeof(head)) != sizeof(head) ||
                    N_BADMAG(head)) {
                        fprintf(stderr, "size: %s: not in a.out format.\n",
                            *argv);
                        exval = 1;
                        continue;
                }
                (void)close(fd);
                if (first) {
                        first = 0;
                        printf("text\tdata\tbss\tdec\thex\n");
                }
                total = head.a_text + head.a_data + head.a_bss;
                printf("%lu\t%lu\t%lu\t%lu\t%lx", head.a_text, head.a_data,
                    head.a_bss, total, total);
                if (argc > 2)
                        printf("\t%s", *argv);
                printf("\n");
        }
        exit(exval);
}