1 /* vi: set sw=4 ts=4: */
3 * Mini tee implementation for busybox
6 * Copyright (C) 1999,2000 by Lineo, inc.
7 * Written by John Beppu <beppu@lineo.com>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 /* FileList _______________________________________________________________ */
32 static FILE **FileList;
35 typedef void (FL_Function) (FILE * file, char c);
38 /* apply a function to everything in FileList */
39 static void FL_apply(FL_Function * f, char c)
43 for (i = 0; i <= FL_end; i++) {
48 /* FL_Function for writing to files*/
49 static void tee_fwrite(FILE * file, char c)
54 /* FL_Function for closing files */
55 static void tee_fclose(FILE * file, char c)
60 /* ________________________________________________________________________ */
62 /* BusyBoxed tee(1) */
63 int tee_main(int argc, char **argv)
68 char opt_fopen[2] = "w";
72 for (i = 1; i < argc; i++) {
73 if (argv[i][0] == '-') {
81 fprintf(stderr, "ignore interrupt not implemented\n");
92 /* init FILE pointers */
93 FileList = calloc(FL_MAX, sizeof(FILE*));
95 errorMsg("%s\n", strerror(errno));
100 for (; i < argc; i++) {
101 /* add a file to FileList */
102 file = fopen(argv[i], opt_fopen);
106 if (FL_end < FL_MAX) {
107 FileList[++FL_end] = file;
111 /* read and redirect */
112 while ((c = (char) getchar()) && (!feof(stdin))) {
113 FL_apply(tee_fwrite, c);
117 FL_apply(tee_fclose, 0);
118 /* Don't bother to close files Exit does that
119 * automagically, so we can save a few bytes */
120 /* free(FileList); */
124 /* $Id: tee.c,v 1.13 2000/07/16 20:57:15 kraai Exp $ */