Last change
on this file since 3889 was 3621, checked in by Bruno Cornec, 8 years ago |
New 3?3 banch for incorporation of latest busybox 1.25. Changing minor version to handle potential incompatibilities.
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File size:
1.6 KB
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[821] | 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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[1765] | 4 | * Copyright (C) 2006 Gabriel Somlo <somlo at cmu.edu>
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[821] | 5 | *
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[2725] | 6 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
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[821] | 7 | */
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[3621] | 8 | //config:config WHICH
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| 9 | //config: bool "which"
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| 10 | //config: default y
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| 11 | //config: help
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| 12 | //config: which is used to find programs in your PATH and
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| 13 | //config: print out their pathnames.
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[821] | 14 |
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[3621] | 15 | //applet:IF_WHICH(APPLET(which, BB_DIR_USR_BIN, BB_SUID_DROP))
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| 16 |
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| 17 | //kbuild:lib-$(CONFIG_WHICH) += which.o
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| 18 |
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[3232] | 19 | //usage:#define which_trivial_usage
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| 20 | //usage: "[COMMAND]..."
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| 21 | //usage:#define which_full_usage "\n\n"
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| 22 | //usage: "Locate a COMMAND"
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| 23 | //usage:
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| 24 | //usage:#define which_example_usage
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| 25 | //usage: "$ which login\n"
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| 26 | //usage: "/bin/login\n"
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| 27 |
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[1765] | 28 | #include "libbb.h"
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[821] | 29 |
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[2725] | 30 | int which_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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| 31 | int which_main(int argc UNUSED_PARAM, char **argv)
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[821] | 32 | {
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[3621] | 33 | const char *env_path;
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| 34 | int status = 0;
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[821] | 35 |
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[3621] | 36 | env_path = getenv("PATH");
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| 37 | if (!env_path)
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| 38 | env_path = bb_default_root_path;
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| 39 |
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[2725] | 40 | opt_complementary = "-1"; /* at least one argument */
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[3621] | 41 | getopt32(argv, "a");
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[2725] | 42 | argv += optind;
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[821] | 43 |
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[3621] | 44 | do {
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| 45 | int missing = 1;
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[821] | 46 |
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[3621] | 47 | /* If file contains a slash don't use PATH */
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[1765] | 48 | if (strchr(*argv, '/')) {
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[3621] | 49 | if (file_is_executable(*argv)) {
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| 50 | missing = 0;
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[1765] | 51 | puts(*argv);
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| 52 | }
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[821] | 53 | } else {
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[3621] | 54 | char *path;
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| 55 | char *tmp;
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| 56 | char *p;
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[2725] | 57 |
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[3621] | 58 | path = tmp = xstrdup(env_path);
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| 59 | while ((p = find_executable(*argv, &tmp)) != NULL) {
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| 60 | missing = 0;
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[2725] | 61 | puts(p);
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| 62 | free(p);
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[3621] | 63 | if (!option_mask32) /* -a not set */
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| 64 | break;
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[2725] | 65 | }
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[3621] | 66 | free(path);
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[2725] | 67 | }
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[3621] | 68 | status |= missing;
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| 69 | } while (*++argv);
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[1765] | 70 |
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[3621] | 71 | return status;
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[821] | 72 | }
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