busybox/coreutils/cat.c

62 lines
1.4 KiB
C
Raw Normal View History

1999-10-05 21:54:54 +05:30
/*
* Mini Cat 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>
1999-10-13 03:56:06 +05:30
static void print_file( FILE *file)
1999-10-05 21:54:54 +05:30
{
int c;
1999-10-13 03:56:06 +05:30
while ((c = getc(file)) != EOF)
putc(c, stdout);
fclose(file);
fflush(stdout);
}
extern int cat_more_main(int argc, char **argv)
{
FILE *file;
if (argc==1) {
print_file( stdin);
exit( TRUE);
}
1999-10-05 21:54:54 +05:30
1999-10-13 03:56:06 +05:30
if ( **(argv+1) == '-' ) {
1999-10-19 03:58:26 +05:30
usage ("cat [file ...]\n");
1999-10-05 21:54:54 +05:30
}
argc--;
argv++;
while (argc-- > 0) {
file = fopen(*argv, "r");
if (file == NULL) {
1999-10-06 04:28:32 +05:30
perror(*argv);
1999-10-12 21:12:48 +05:30
exit(FALSE);
1999-10-05 21:54:54 +05:30
}
1999-10-13 03:56:06 +05:30
print_file( file);
1999-10-05 21:54:54 +05:30
argc--;
argv++;
}
1999-10-12 21:12:48 +05:30
exit(TRUE);
1999-10-05 21:54:54 +05:30
}