xref: /titanic_51/usr/src/contrib/ast/src/cmd/ksh93/mamstate.c (revision b4dd7d09880f14016feece03929a224eca1cf39a)
1 /***********************************************************************
2 *                                                                      *
3 *               This software is part of the ast package               *
4 *          Copyright (c) 1982-2011 AT&T Intellectual Property          *
5 *                      and is licensed under the                       *
6 *                 Eclipse Public License, Version 1.0                  *
7 *                    by AT&T Intellectual Property                     *
8 *                                                                      *
9 *                A copy of the License is available at                 *
10 *          http://www.eclipse.org/org/documents/epl-v10.html           *
11 *         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
12 *                                                                      *
13 *              Information and Software Systems Research               *
14 *                            AT&T Research                             *
15 *                           Florham Park NJ                            *
16 *                                                                      *
17 *                  David Korn <dgk@research.att.com>                   *
18 *                                                                      *
19 ***********************************************************************/
20 /*
21  * AT&T Bell Laboratories
22  * make abstract machine file state support
23  *
24  * mamstate reference [ file ... | <files ]
25  *
26  * stdout is list of <file,delta> pairs where delta
27  * is diff between reference and file times
28  * non-existent files are not listed
29  */
30 
31 #if !lint
32 static char id[] = "\n@(#)$Id: mamstate (AT&T Bell Laboratories) 1989-06-26 $\0\n";
33 #endif
34 
35 #include <stdio.h>
36 #include <sys/types.h>
37 #include <sys/stat.h>
38 
39 main(argc, argv)
40 int		argc;
41 register char**	argv;
42 {
43 	register char*	s;
44 	register int	c;
45 	long		ref;
46 	struct stat	st;
47 	char		buf[1024];
48 
49 	if (!(s = *++argv) || stat(s, &st))
50 	{
51 		fprintf(stderr, "Usage: mamstate reference [ file ... | <files ]\n");
52 		exit(1);
53 	}
54 	ref = (long)st.st_mtime;
55 	if (s = *++argv) do
56 	{
57 		if (!stat(s, &st))
58 			printf("%s %ld\n", s, (long)st.st_mtime - ref);
59 	} while (s = *++argv);
60 	else do
61 	{
62 		s = buf;
63 		while ((c = getchar()) != EOF && c != ' ' && c != '\n')
64 			if (s < buf + sizeof(buf) - 1) *s++ = c;
65 		if (s > buf)
66 		{
67 			*s = 0;
68 			if (!stat(buf, &st))
69 				printf("%s %ld\n", buf, (long)st.st_mtime - ref);
70 		}
71 	} while (c != EOF);
72 	exit(0);
73 }
74