ndk-busybox/coreutils/readlink.c
Denis Vlasenko fe7cd642b0 don't pass argc in getopt32, it's superfluous
(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
2007-08-18 15:32:12 +00:00

51 lines
1.0 KiB
C

/* vi: set sw=4 ts=4: */
/*
* Mini readlink implementation for busybox
*
* Copyright (C) 2000,2001 Matt Kraai <kraai@alumni.carnegiemellon.edu>
*
* Licensed under GPL v2 or later, see file LICENSE in this tarball for details.
*/
#include <getopt.h>
#include "libbb.h"
int readlink_main(int argc, char **argv);
int readlink_main(int argc, char **argv)
{
char *buf;
char *fname;
USE_FEATURE_READLINK_FOLLOW(
unsigned opt;
/* We need exactly one non-option argument. */
opt_complementary = "=1";
opt = getopt32(argv, "f");
fname = argv[optind];
)
SKIP_FEATURE_READLINK_FOLLOW(
const unsigned opt = 0;
if (argc != 2) bb_show_usage();
fname = argv[1];
)
/* compat: coreutils readlink reports errors silently via exit code */
logmode = LOGMODE_NONE;
if (opt) {
buf = realpath(fname, bb_common_bufsiz1);
} else {
buf = xmalloc_readlink_or_warn(fname);
}
if (!buf)
return EXIT_FAILURE;
puts(buf);
if (ENABLE_FEATURE_CLEAN_UP && !opt)
free(buf);
fflush_stdout_and_exit(EXIT_SUCCESS);
}