2 * Mini more implementation for busybox
4 * Copyright (C) 1998 by Erik Andersen <andersee@debian.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 /* Turning this off makes things a bit smaller (and less pretty) */
34 static const char more_usage[] = "[file ...]";
37 /* ED: sparc termios is broken: revert back to old termio handling. */
41 #if defined (__sparc__)
42 # define USE_OLD_TERMIO
44 # include <sys/ioctl.h>
45 # define termios termio
46 # define stty(fd,argp) ioctl(fd,TCSETAF,argp)
49 # define stty(fd,argp) tcsetattr(fd,TCSANOW,argp)
53 struct termios initial_settings, new_settings;
55 void gotsig(int sig) {
56 stty(fileno(cin), &initial_settings);
61 extern int more_main(int argc, char **argv)
63 int c, lines=0, input=0;
68 if ( strcmp(*argv,"--help")==0 || strcmp(*argv,"-h")==0 ) {
79 file = fopen(*argv, "r");
85 fstat(fileno(file), &st);
88 cin = fopen("/dev/tty", "r");
90 cin = fopen("/dev/console", "r");
92 ioctl(fileno(cin),TCGETA,&initial_settings);
94 tcgetattr(fileno(cin),&initial_settings);
96 new_settings = initial_settings;
97 new_settings.c_lflag &= ~ICANON;
98 new_settings.c_lflag &= ~ECHO;
99 stty(fileno(cin), &new_settings);
101 (void) signal(SIGINT, gotsig);
104 while ((c = getc(file)) != EOF) {
109 len = fprintf(stdout, "--More-- ");
111 len += fprintf(stdout, "(%d%% of %ld bytes)",
112 (int) (100*( (double) ftell(file) / (double) st.st_size )),
115 len += fprintf(stdout, "%s",
127 /* Erase the "More" message */
140 if (input==' ' && c == '\n' )
142 if ( c == '\n' && ++lines == 24 )