diff options
Diffstat (limited to 'usr.bin/from/from.c')
| -rw-r--r-- | usr.bin/from/from.c | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/usr.bin/from/from.c b/usr.bin/from/from.c deleted file mode 100644 index 324bceb..0000000 --- a/usr.bin/from/from.c +++ /dev/null @@ -1,136 +0,0 @@ -/* - * Copyright (c) 1980, 1988, 1993 - * The 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 -static char copyright[] = -"@(#) Copyright (c) 1980, 1988, 1993\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif /* not lint */ - -#ifndef lint -static char sccsid[] = "@(#)from.c 8.1 (Berkeley) 6/6/93"; -#endif /* not lint */ - -#include <sys/types.h> -#include <ctype.h> -#include <pwd.h> -#include <stdio.h> -#include <paths.h> - -main(argc, argv) - int argc; - char **argv; -{ - extern char *optarg; - extern int optind; - struct passwd *pwd; - int ch, newline; - char *file, *sender, *p; -#if MAXPATHLEN > BUFSIZ - char buf[MAXPATHLEN]; -#else - char buf[BUFSIZ]; -#endif - - file = sender = NULL; - while ((ch = getopt(argc, argv, "f:s:")) != EOF) - switch((char)ch) { - case 'f': - file = optarg; - break; - case 's': - sender = optarg; - for (p = sender; *p; ++p) - if (isupper(*p)) - *p = tolower(*p); - break; - case '?': - default: - fprintf(stderr, "usage: from [-f file] [-s sender] [user]\n"); - exit(1); - } - argv += optind; - - if (!file) { - if (!(file = *argv)) { - if (!(pwd = getpwuid(getuid()))) { - fprintf(stderr, - "from: no password file entry for you.\n"); - exit(1); - } - file = pwd->pw_name; - } - (void)sprintf(buf, "%s/%s", _PATH_MAILDIR, file); - file = buf; - } - if (!freopen(file, "r", stdin)) { - fprintf(stderr, "from: can't read %s.\n", file); - exit(1); - } - for (newline = 1; fgets(buf, sizeof(buf), stdin);) { - if (*buf == '\n') { - newline = 1; - continue; - } - if (newline && !strncmp(buf, "From ", 5) && - (!sender || match(buf + 5, sender))) - printf("%s", buf); - newline = 0; - } - exit(0); -} - -match(line, sender) - register char *line, *sender; -{ - register char ch, pch, first, *p, *t; - - for (first = *sender++;;) { - if (isspace(ch = *line)) - return(0); - ++line; - if (isupper(ch)) - ch = tolower(ch); - if (ch != first) - continue; - for (p = sender, t = line;;) { - if (!(pch = *p++)) - return(1); - if (isupper(ch = *t++)) - ch = tolower(ch); - if (ch != pch) - break; - } - } - /* NOTREACHED */ -} |
