1/* vi: set sw=4 ts=4: */ 2/* 3 * Mini tee implementation for busybox 4 * 5 * Copyright (C) 1999,2000,2001 by Lineo, inc. 6 * Written by Matt Kraai <kraai@alumni.carnegiemellon.edu> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 * 22 */ 23 24#include "busybox.h" 25#include <getopt.h> 26#include <stdio.h> 27 28int 29tee_main(int argc, char **argv) 30{ 31 char *mode = "w"; 32 int c, i, status = 0, nfiles = 0; 33 FILE **files; 34 35 while ((c = getopt(argc, argv, "a")) != EOF) { 36 switch (c) { 37 case 'a': 38 mode = "a"; 39 break; 40 default: 41 show_usage(); 42 } 43 } 44 45 files = (FILE **)xmalloc(sizeof(FILE *) * (argc - optind + 1)); 46 files[nfiles++] = stdout; 47 while (optind < argc) { 48 if ((files[nfiles++] = fopen(argv[optind++], mode)) == NULL) { 49 nfiles--; 50 perror_msg("%s", argv[optind-1]); 51 status = 1; 52 } 53 } 54 55 while ((c = getchar()) != EOF) 56 for (i = 0; i < nfiles; i++) 57 putc(c, files[i]); 58 59 return status; 60} 61 62/* 63Local Variables: 64c-file-style: "linux" 65c-basic-offset: 4 66tab-width: 4 67End: 68*/ 69