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/* 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"
/* This is a NOFORK applet. Be very careful! */
int bb_cat(char **argv)
{
static const char *const argv_dash[] = { "-", NULL };
FILE *f;
int retval = EXIT_SUCCESS;
if (!*argv)
argv = (char**) &argv_dash;
do {
f = fopen_or_warn_stdin(*argv);
if (f) {
/* This is not an xfunc - never exits */
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);
int cat_main(int argc, char **argv)
{
getopt32(argc, argv, "u");
argv += optind;
return bb_cat(argv);
}
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