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8dff01d06a
function old new delta is_prefixed_with - 18 +18 complete_username 78 77 -1 man_main 737 735 -2 fsck_device 429 427 -2 unpack_ar_archive 80 76 -4 strip_unsafe_prefix 105 101 -4 singlemount 1054 1050 -4 rtc_adjtime_is_utc 90 86 -4 resolve_mount_spec 88 84 -4 parse_one_line 1029 1025 -4 parse_conf 1460 1456 -4 may_wakeup 83 79 -4 loadkmap_main 219 215 -4 get_irqs_from_stat 103 99 -4 get_header_cpio 913 909 -4 findfs_main 79 75 -4 fbsplash_main 1230 1226 -4 load_crontab 776 771 -5 expand_vars_to_list 1151 1146 -5 date_main 881 876 -5 skip_dev_pfx 30 24 -6 make_device 2199 2193 -6 complete_cmd_dir_file 773 767 -6 run_applet_and_exit 715 708 -7 uudecode_main 321 313 -8 pwdx_main 197 189 -8 execute 568 560 -8 i2cdetect_main 1186 1176 -10 procps_scan 1242 1230 -12 procps_read_smaps 1017 1005 -12 process_module 746 734 -12 patch_main 1903 1891 -12 nfsmount 3572 3560 -12 stack_machine 126 112 -14 process_timer_stats 449 435 -14 match_fstype 111 97 -14 do_ipaddr 1344 1330 -14 open_list_and_close 359 343 -16 get_header_tar 1795 1779 -16 prepend_new_eth_table 340 323 -17 fsck_main 1811 1794 -17 find_iface_state 56 38 -18 dnsd_main 1321 1303 -18 base_device 179 158 -21 find_keyword 104 82 -22 handle_incoming_and_exit 2785 2762 -23 parse_and_put_prompt 774 746 -28 modinfo 347 317 -30 find_action 204 171 -33 update_passwd 1470 1436 -34 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/49 up/down: 18/-540) Total: -522 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* pwdx implementation for busybox
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*
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* Copyright (c) 2004 Nicholas Miell
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* ported from procps by Pere Orga <gotrunks@gmail.com> 2011
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*
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* Licensed under GPLv2, see file LICENSE in this source tree.
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*/
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//config:config PWDX
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//config: bool "pwdx"
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//config: default y
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//config: help
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//config: Report current working directory of a process
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//applet:IF_PWDX(APPLET(pwdx, BB_DIR_USR_BIN, BB_SUID_DROP))
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//kbuild:lib-$(CONFIG_PWDX) += pwdx.o
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//usage:#define pwdx_trivial_usage
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//usage: "PID..."
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//usage:#define pwdx_full_usage "\n\n"
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//usage: "Show current directory for PIDs"
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#include "libbb.h"
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int pwdx_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int pwdx_main(int argc UNUSED_PARAM, char **argv)
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{
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opt_complementary = "-1";
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getopt32(argv, "");
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argv += optind;
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do {
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char buf[sizeof("/proc/%u/cwd") + sizeof(int)*3];
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unsigned pid;
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char *s;
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char *arg = *argv;
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// Allowed on the command line:
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// /proc/NUM
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// NUM
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if (is_prefixed_with(arg, "/proc/"))
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arg += 6;
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pid = bb_strtou(arg, NULL, 10);
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if (errno)
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bb_error_msg_and_die("invalid process id: '%s'", arg);
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sprintf(buf, "/proc/%u/cwd", pid);
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s = xmalloc_readlink(buf);
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// "pwdx /proc/1" says "/proc/1: DIR", not "1: DIR"
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printf("%s: %s\n", *argv, s ? s : strerror(errno == ENOENT ? ESRCH : errno));
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free(s);
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} while (*++argv);
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return EXIT_SUCCESS;
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}
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