2 * Copyright (c) 1980, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
35 static const char copyright[] =
36 "@(#) Copyright (c) 1980, 1988, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
42 static char sccsid[] = "@(#)from.c 8.1 (Berkeley) 6/6/93";
44 static const char rcsid[] =
45 "$Id: from.c,v 1.6 1999/07/26 23:12:12 green Exp $";
48 #include <sys/types.h>
58 int match __P((char *, char *));
59 static void usage __P((void));
69 int ch, count, newline;
70 char *file, *sender, *p;
71 #if MAXPATHLEN > BUFSIZ
79 while ((ch = getopt(argc, argv, "cf:s:")) != -1)
89 for (p = sender; *p; ++p)
101 (void)sprintf(buf, "%s/%s", _PATH_MAILDIR, *argv);
104 if (!(file = getenv("MAIL"))) {
105 if (!(pwd = getpwuid(getuid())))
106 errx(1, "no password file entry for you");
109 "%s/%s", _PATH_MAILDIR, file);
115 /* read from stdin */
116 if (strcmp(file, "-") == 0) {
118 else if (!freopen(file, "r", stdin)) {
119 errx(1, "can't read %s", file);
121 for (newline = 1; fgets(buf, sizeof(buf), stdin);) {
126 if (newline && !strncmp(buf, "From ", 5) &&
127 (!sender || match(buf + 5, sender))) {
136 printf("There %s %d message%s in your incoming mailbox.\n",
137 count == 1 ? "is" : "are", count, count == 1 ? "" : "s");
144 fprintf(stderr, "usage: from [-c] [-f file] [-s sender] [user]\n");
150 register char *line, *sender;
152 register char ch, pch, first, *p, *t;
154 for (first = *sender++;;) {
155 if (isspace(ch = *line))
162 for (p = sender, t = line;;) {
165 if (isupper(ch = *t++))