fe7cd642b0
(add/remove: 0/0 grow/shrink: 12/131 up/down: 91/-727) Total: -636 bytes text data bss dec hex filename 773469 1058 11092 785619 bfcd3 busybox_old 772644 1058 11092 784794 bf99a busybox_unstripped
53 lines
1019 B
C
53 lines
1019 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 "libbb.h"
|
|
|
|
/* This is a NOFORK applet. Be very careful! */
|
|
|
|
|
|
int bb_cat(char **argv)
|
|
{
|
|
static const char *const argv_dash[] = { "-", NULL };
|
|
|
|
int fd;
|
|
int retval = EXIT_SUCCESS;
|
|
|
|
if (!*argv)
|
|
argv = (char**) &argv_dash;
|
|
|
|
do {
|
|
fd = STDIN_FILENO;
|
|
if (!LONE_DASH(*argv))
|
|
fd = open_or_warn(*argv, O_RDONLY);
|
|
if (fd >= 0) {
|
|
/* This is not an xfunc - never exits */
|
|
off_t r = bb_copyfd_eof(fd, STDOUT_FILENO);
|
|
if (fd != STDIN_FILENO)
|
|
close(fd);
|
|
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(argv, "u");
|
|
argv += optind;
|
|
return bb_cat(argv);
|
|
}
|