2 * Mini more implementation for busybox
5 * Copyright (C) 1999 by Lineo, inc.
6 * Blended by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
7 * based on the original more implementation and code from the Debian
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 /* Turning this off makes things a bit smaller (and less pretty) */
38 static const char more_usage[] = "[file ...]";
41 /* ED: sparc termios is broken: revert back to old termio handling. */
45 # define USE_OLD_TERMIO
47 # include <sys/ioctl.h>
48 # define termios termio
49 # define stty(fd,argp) ioctl(fd,TCSETAF,argp)
52 # define stty(fd,argp) tcsetattr(fd,TCSANOW,argp)
56 struct termios initial_settings, new_settings;
58 void gotsig(int sig) {
59 stty(fileno(cin), &initial_settings);
64 extern int more_main(int argc, char **argv)
66 int c, lines=0, input=0;
74 if ( argc > 0 && (strcmp(*argv,"--help")==0 || strcmp(*argv,"-h")==0) ) {
82 file = fopen(*argv, "r");
88 fstat(fileno(file), &st);
91 cin = fopen("/dev/tty", "r");
93 cin = fopen("/dev/console", "r");
95 ioctl(fileno(cin),TCGETA,&initial_settings);
97 tcgetattr(fileno(cin),&initial_settings);
99 new_settings = initial_settings;
100 new_settings.c_lflag &= ~ICANON;
101 new_settings.c_lflag &= ~ECHO;
102 stty(fileno(cin), &new_settings);
104 (void) signal(SIGINT, gotsig);
105 (void) signal(SIGQUIT, gotsig);
106 (void) signal(SIGTERM, gotsig);
110 while ((c = getc(file)) != EOF) {
115 len = fprintf(stdout, "--More-- ");
117 len += fprintf(stdout, "(%d%% of %ld bytes)",
118 (int) (100*( (double) ftell(file) / (double) st.st_size )),
121 len += fprintf(stdout, "%s",
133 /* Erase the "More" message */
146 if (input=='\n' && c == '\n' )
148 if ( c == ' ' && ++lines == 24 )
156 } while (--argc > 0);