68404f13d4
function old new delta procps_scan 1265 1298 +33 aliascmd 278 283 +5 parse_file_cmd 116 120 +4 dname_enc 373 377 +4 setcmd 90 93 +3 execcmd 57 60 +3 count_lines 72 74 +2 process_command_subs 340 339 -1 test_main 409 407 -2 mknod_main 179 177 -2 handle_incoming_and_exit 2653 2651 -2 argstr 1312 1310 -2 shiftcmd 131 128 -3 exitcmd 46 43 -3 dotcmd 297 294 -3 breakcmd 86 83 -3 evalpipe 353 349 -4 evalcommand 1180 1176 -4 evalcmd 109 105 -4 send_tree 374 369 -5 mkfifo_main 82 77 -5 evalsubshell 152 147 -5 typecmd 75 69 -6 letcmd 61 55 -6 add_cmd 1190 1183 -7 main 891 883 -8 ash_main 1415 1407 -8 parse_stream 1377 1367 -10 alloc_procps_scan 55 - -55 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 7/21 up/down: 54/-148) Total: -94 bytes text data bss dec hex filename 797195 658 7428 805281 c49a1 busybox_old 797101 658 7428 805187 c4943 busybox_unstripped
51 lines
1.1 KiB
C
51 lines
1.1 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) MAIN_EXTERNALLY_VISIBLE;
|
|
int readlink_main(int argc ATTRIBUTE_UNUSED, char **argv)
|
|
{
|
|
char *buf;
|
|
char *fname;
|
|
char pathbuf[PATH_MAX];
|
|
|
|
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, pathbuf);
|
|
} 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);
|
|
}
|