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Annotation of src/usr.bin/size/size.c, Revision 1.1.1.1

1.1       deraadt     1: /*     $NetBSD: size.c,v 1.6 1994/12/21 08:07:21 jtc Exp $     */
                      2:
                      3: /*
                      4:  * Copyright (c) 1988, 1993
                      5:  *     The Regents of the University of California.  All rights reserved.
                      6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  * 3. All advertising materials mentioning features or use of this software
                     16:  *    must display the following acknowledgement:
                     17:  *     This product includes software developed by the University of
                     18:  *     California, Berkeley and its contributors.
                     19:  * 4. Neither the name of the University nor the names of its contributors
                     20:  *    may be used to endorse or promote products derived from this software
                     21:  *    without specific prior written permission.
                     22:  *
                     23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     33:  * SUCH DAMAGE.
                     34:  */
                     35:
                     36: #ifndef lint
                     37: static char copyright[] =
                     38: "@(#) Copyright (c) 1988, 1993\n\
                     39:        The Regents of the University of California.  All rights reserved.\n";
                     40: #endif /* not lint */
                     41:
                     42: #ifndef lint
                     43: #if 0
                     44: static char sccsid[] = "@(#)size.c     8.2 (Berkeley) 12/9/93";
                     45: #endif
                     46: static char rcsid[] = "$NetBSD: size.c,v 1.6 1994/12/21 08:07:21 jtc Exp $";
                     47: #endif /* not lint */
                     48:
                     49: #include <sys/param.h>
                     50: #include <sys/file.h>
                     51: #include <a.out.h>
                     52: #include <unistd.h>
                     53: #include <stdlib.h>
                     54: #include <stdio.h>
                     55: #include <err.h>
                     56:
                     57: int    show __P((int, char *));
                     58: void   usage __P((void));
                     59:
                     60: int
                     61: main(argc, argv)
                     62:        int argc;
                     63:        char *argv[];
                     64: {
                     65:        int ch, eval;
                     66:
                     67:        while ((ch = getopt(argc, argv, "")) != EOF)
                     68:                switch(ch) {
                     69:                case '?':
                     70:                default:
                     71:                        usage();
                     72:                }
                     73:        argc -= optind;
                     74:        argv += optind;
                     75:
                     76:        eval = 0;
                     77:        if (*argv)
                     78:                do {
                     79:                        eval |= show(argc, *argv);
                     80:                } while (*++argv);
                     81:        else
                     82:                eval |= show(1, "a.out");
                     83:        exit(eval);
                     84: }
                     85:
                     86: int
                     87: show(count, name)
                     88:        int count;
                     89:        char *name;
                     90: {
                     91:        static int first = 1;
                     92:        struct exec head;
                     93:        u_long total;
                     94:        int fd;
                     95:
                     96:        if ((fd = open(name, O_RDONLY, 0)) < 0) {
                     97:                warn("%s", name);
                     98:                return (1);
                     99:        }
                    100:        if (read(fd, &head, sizeof(head)) != sizeof(head) || N_BADMAG(head)) {
                    101:                (void)close(fd);
                    102:                warnx("%s: not in a.out format", name);
                    103:                return (1);
                    104:        }
                    105:        (void)close(fd);
                    106:
                    107:        if (first) {
                    108:                first = 0;
                    109:                (void)printf("text\tdata\tbss\tdec\thex\n");
                    110:        }
                    111:        total = head.a_text + head.a_data + head.a_bss;
                    112:        (void)printf("%lu\t%lu\t%lu\t%lu\t%lx", head.a_text, head.a_data,
                    113:            head.a_bss, total, total);
                    114:        if (count > 1)
                    115:                (void)printf("\t%s", name);
                    116:        (void)printf("\n");
                    117:        return (0);
                    118: }
                    119:
                    120: void
                    121: usage()
                    122: {
                    123:        (void)fprintf(stderr, "usage: size [file ...]\n");
                    124:        exit(1);
                    125: }