updated from UUNET - no functional changes
[unix-history] / usr.bin / size / size.c
CommitLineData
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1/*
2 * Copyright (c) 1988 Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35char copyright[] =
36"@(#) Copyright (c) 1988 Regents of the University of California.\n\
37 All rights reserved.\n";
38#endif /* not lint */
39
40#ifndef lint
c7427308 41static char sccsid[] = "@(#)size.c 5.1 (Berkeley) 3/2/92";
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42#endif /* not lint */
43
44#include <sys/param.h>
45#include <sys/file.h>
c7427308 46#include <errno.h>
15637ed4 47#include <a.out.h>
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48#include <unistd.h>
49#include <stdlib.h>
15637ed4 50#include <stdio.h>
c7427308 51#include <string.h>
15637ed4 52
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53void err __P((const char *, ...));
54int show __P((int, char *));
55void usage __P((void));
56
57int
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58main(argc, argv)
59 int argc;
c7427308 60 char *argv[];
15637ed4 61{
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62 int ch, eval;
63
64 while ((ch = getopt(argc, argv, "")) != EOF)
65 switch(ch) {
66 case '?':
67 default:
68 usage();
69 }
70 argc -= optind;
71 argv += optind;
72
73 eval = 0;
74 if (*argv)
75 do {
76 eval |= show(argc, *argv);
77 } while (*++argv);
78 else
79 eval |= show(1, "a.out");
80 exit(eval);
81}
82
83int
84show(count, name)
85 int count;
86 char *name;
87{
88 static int first = 1;
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89 struct exec head;
90 u_long total;
c7427308 91 int fd;
15637ed4 92
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93 if ((fd = open(name, O_RDONLY, 0)) < 0) {
94 err("%s: %s", name, strerror(errno));
95 return (1);
96 }
97 if (read(fd, &head, sizeof(head)) != sizeof(head) || N_BADMAG(head)) {
98 err("%s: not in a.out format", name);
99 return (1);
100 }
101 (void)close(fd);
102
103 if (first) {
104 first = 0;
105 (void)printf("text\tdata\tbss\tdec\thex\n");
15637ed4 106 }
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107 total = head.a_text + head.a_data + head.a_bss;
108 (void)printf("%lu\t%lu\t%lu\t%lu\t%lx", head.a_text, head.a_data,
109 head.a_bss, total, total);
110 if (count > 1)
111 (void)printf("\t%s", name);
112 (void)printf("\n");
113 return (0);
114}
115
116void
117usage()
118{
119 (void)fprintf(stderr, "usage: size [file ...]\n");
120 exit(1);
121}
122
123#if __STDC__
124#include <stdarg.h>
125#else
126#include <varargs.h>
127#endif
128
129void
130#if __STDC__
131err(const char *fmt, ...)
132#else
133err(fmt, va_alist)
134 char *fmt;
135 va_dcl
136#endif
137{
138 va_list ap;
139#if __STDC__
140 va_start(ap, fmt);
141#else
142 va_start(ap);
143#endif
144 (void)fprintf(stderr, "size: ");
145 (void)vfprintf(stderr, fmt, ap);
146 va_end(ap);
147 (void)fprintf(stderr, "\n");
15637ed4 148}