46 lines
776 B
C
46 lines
776 B
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* cat implementation for busybox
|
|
*
|
|
* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
|
|
*
|
|
* Licensed under GPLv2, see file License in this tarball for details.
|
|
*/
|
|
|
|
/* BB_AUDIT SUSv3 compliant */
|
|
/* http://www.opengroup.org/onlinepubs/007904975/utilities/cat.html */
|
|
|
|
#include "busybox.h"
|
|
|
|
int bb_cat(char **argv)
|
|
{
|
|
FILE *f;
|
|
int retval = EXIT_SUCCESS;
|
|
|
|
do {
|
|
f = fopen_or_warn_stdin(*argv);
|
|
if (f) {
|
|
off_t r = bb_copyfd_eof(fileno(f), STDOUT_FILENO);
|
|
fclose_if_not_stdin(f);
|
|
if (r >= 0) {
|
|
continue;
|
|
}
|
|
}
|
|
retval = EXIT_FAILURE;
|
|
} while (*++argv);
|
|
|
|
return retval;
|
|
}
|
|
|
|
int cat_main(int argc, char **argv)
|
|
{
|
|
getopt32(argc, argv, "u");
|
|
|
|
argv += optind;
|
|
if (!*argv) {
|
|
*--argv = "-";
|
|
}
|
|
|
|
return bb_cat(argv);
|
|
}
|