1 /* vi: set sw=4 ts=4: */
3 * Mini lsmod implementation for busybox
5 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
6 * Copyright (C) 2008 by Vladimir Dronnikov <dronnikov@gmail.com>
8 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
14 #if ENABLE_FEATURE_CHECK_TAINTED_MODULE
16 TAINT_PROPRIETORY_MODULE = (1 << 0),
17 TAINT_FORCED_MODULE = (1 << 1),
18 TAINT_UNSAFE_SMP = (1 << 2),
21 static void check_tainted(void)
24 char *buf = xmalloc_open_read_close("/proc/sys/kernel/tainted", NULL);
27 if (ENABLE_FEATURE_CLEAN_UP)
32 printf(" Tainted: %c%c%c\n",
33 tainted & TAINT_PROPRIETORY_MODULE ? 'P' : 'G',
34 tainted & TAINT_FORCED_MODULE ? 'F' : ' ',
35 tainted & TAINT_UNSAFE_SMP ? 'S' : ' ');
41 static void check_tainted(void) { putchar('\n'); }
44 int lsmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
45 int lsmod_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
47 #if ENABLE_FEATURE_LSMOD_PRETTY_2_6_OUTPUT
49 parser_t *parser = config_open("/proc/modules");
50 #if ENABLE_FEATURE_ASSUME_UNICODE
53 check_unicode_in_env();
55 printf("%-24sSize Used by", "Module");
58 if (ENABLE_FEATURE_2_4_MODULES
59 && get_linux_version_code() < KERNEL_VERSION(2,6,0)
61 while (config_read(parser, token, 4, 3, "# \t", PARSE_NORMAL)) {
62 if (token[3] != NULL && token[3][0] == '[') {
64 token[3][strlen(token[3])-1] = '\0';
66 token[3] = (char *) "";
67 #if ENABLE_FEATURE_ASSUME_UNICODE
68 name_len = bb_mbstrlen(token[0]);
69 name_len = (name_len > 19) ? 0 : 19 - name_len;
70 printf("%s%*s %8s %2s %s\n", token[0], name_len, "", token[1], token[2], token[3]);
72 printf("%-19s %8s %2s %s\n", token[0], token[1], token[2], token[3]);
76 while (config_read(parser, token, 4, 4, "# \t", PARSE_NORMAL & ~PARSE_GREEDY)) {
77 // N.B. token[3] is either '-' (module is not used by others)
78 // or comma-separated list ended by comma
79 // so trimming the trailing char is just what we need!
80 token[3][strlen(token[3])-1] = '\0';
81 #if ENABLE_FEATURE_ASSUME_UNICODE
82 name_len = bb_mbstrlen(token[0]);
83 name_len = (name_len > 19) ? 0 : 19 - name_len;
84 printf("%s%*s %8s %2s %s\n", token[0], name_len, "", token[1], token[2], token[3]);
86 printf("%-19s %8s %2s %s\n", token[0], token[1], token[2], token[3]);
90 if (ENABLE_FEATURE_CLEAN_UP)
94 xprint_and_close_file(xfopen_for_read("/proc/modules"));