| /* |
| * Mini more implementation for busybox |
| * |
| * Copyright (C) 1998 by Erik Andersen <andersee@debian.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #include "internal.h" |
| #include <stdio.h> |
| #include <signal.h> |
| |
| const char more_usage[] = "[file ...]"; |
| |
| //#define ERASE_STUFF |
| |
| extern int more_main(int argc, char **argv) |
| { |
| int c, lines=0; |
| int next_page=0, rows = 24; |
| #ifdef ERASE_STUFF |
| int cols=79; |
| #endif |
| struct stat st; |
| FILE *file = stdin; |
| |
| if ( strcmp(*argv,"--help")==0 || strcmp(*argv,"-h")==0 ) { |
| fprintf(stderr, "Usage: %s %s", *argv, more_usage); |
| return(FALSE); |
| } |
| argc--; |
| argv++; |
| |
| while (argc-- > 0) { |
| file = fopen(*argv, "r"); |
| if (file == NULL) { |
| perror("Can't open file"); |
| return(FALSE); |
| } |
| fstat(fileno(file), &st); |
| fprintf(stderr, "hi\n"); |
| |
| while ((c = getc(file)) != EOF) { |
| if ( next_page ) { |
| int len=0; |
| next_page = 0; |
| lines=0; |
| len = fprintf(stdout, "--More-- (%d%% of %ld bytes)", |
| (int) (100*( (double) ftell(file) / (double) st.st_size )), |
| st.st_size); |
| fflush(stdout); |
| getc( stdin); |
| #ifdef ERASE_STUFF |
| /* Try to erase the "More" message */ |
| while(len-- > 0) |
| putc('\b', stdout); |
| while(len++ < cols) |
| putc(' ', stdout); |
| while(len-- > 0) |
| putc('\b', stdout); |
| fflush(stdout); |
| #endif |
| } |
| if ( c == '\n' && ++lines == (rows + 1) ) |
| next_page = 1; |
| putc(c, stdout); |
| } |
| fclose(file); |
| fflush(stdout); |
| |
| argc--; |
| argv++; |
| } |
| return(TRUE); |
| } |
| |
| |