67991cf824
done by Evin Robertson (bug#1105) and work from Manuel to make usage messages occupy less space and simplify how usage messages are displayed.
69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Mini tee implementation for busybox
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*
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* Copyright (C) 1999,2000,2001 by Lineo, inc.
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* Written by Matt Kraai <kraai@alumni.carnegiemellon.edu>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "busybox.h"
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#include <getopt.h>
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#include <stdio.h>
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int
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tee_main(int argc, char **argv)
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{
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char *mode = "w";
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int c, i, status = 0, nfiles = 0;
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FILE **files;
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while ((c = getopt(argc, argv, "a")) != EOF) {
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switch (c) {
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case 'a':
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mode = "a";
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break;
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default:
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show_usage();
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}
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}
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files = (FILE **)xmalloc(sizeof(FILE *) * (argc - optind + 1));
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files[nfiles++] = stdout;
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while (optind < argc) {
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if ((files[nfiles++] = fopen(argv[optind++], mode)) == NULL) {
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nfiles--;
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perror_msg("%s", argv[optind-1]);
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status = 1;
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}
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}
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while ((c = getchar()) != EOF)
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for (i = 0; i < nfiles; i++)
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putc(c, files[i]);
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return status;
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}
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/*
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Local Variables:
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c-file-style: "linux"
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c-basic-offset: 4
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tab-width: 4
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End:
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*/
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