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    Annotation of /tags/mkinitrd-6_3_0/busybox/modutils/lsmod.c

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    Revision 1123 - (hide annotations) (download)
    Wed Aug 18 21:56:57 2010 UTC (13 years, 9 months ago) by niro
    Original Path: trunk/mkinitrd-magellan/busybox/modutils/lsmod.c
    File MIME type: text/plain
    File size: 2964 byte(s) 
    -updated to busybox-1.17.1
    1 niro 532 /* vi: set sw=4 ts=4: */
    2     /*
    3     * Mini lsmod implementation for busybox
    4     *
    5     * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
    6 niro 816 * Copyright (C) 2008 by Vladimir Dronnikov <dronnikov@gmail.com>
    7 niro 532 *
    8     * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
    9     */
    10 niro 816 #include "libbb.h"
    11 niro 984 #include "unicode.h"
    12 niro 532
    13 niro 816 #if ENABLE_FEATURE_CHECK_TAINTED_MODULE
    14     enum {
    15     TAINT_PROPRIETORY_MODULE = (1 << 0),
    16     TAINT_FORCED_MODULE = (1 << 1),
    17     TAINT_UNSAFE_SMP = (1 << 2),
    18     };
    19 niro 532
    20     static void check_tainted(void)
    21     {
    22 niro 816 int tainted = 0;
    23     char *buf = xmalloc_open_read_close("/proc/sys/kernel/tainted", NULL);
    24     if (buf) {
    25     tainted = atoi(buf);
    26     if (ENABLE_FEATURE_CLEAN_UP)
    27     free(buf);
    28     }
    29 niro 532
    30 niro 816 if (tainted) {
    31 niro 532 printf(" Tainted: %c%c%c\n",
    32     tainted & TAINT_PROPRIETORY_MODULE ? 'P' : 'G',
    33     tainted & TAINT_FORCED_MODULE ? 'F' : ' ',
    34     tainted & TAINT_UNSAFE_SMP ? 'S' : ' ');
    35 niro 816 } else {
    36     puts(" Not tainted");
    37 niro 532 }
    38     }
    39 niro 816 #else
    40     static void check_tainted(void) { putchar('\n'); }
    41 niro 532 #endif
    42    
    43 niro 816 int lsmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
    44     int lsmod_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
    45 niro 532 {
    46 niro 816 #if ENABLE_FEATURE_LSMOD_PRETTY_2_6_OUTPUT
    47     char *token[4];
    48     parser_t *parser = config_open("/proc/modules");
    49 niro 984 init_unicode();
    50    
    51 niro 816 printf("%-24sSize Used by", "Module");
    52 niro 532 check_tainted();
    53    
    54 niro 816 if (ENABLE_FEATURE_2_4_MODULES
    55     && get_linux_version_code() < KERNEL_VERSION(2,6,0)
    56     ) {
    57     while (config_read(parser, token, 4, 3, "# \t", PARSE_NORMAL)) {
    58     if (token[3] != NULL && token[3][0] == '[') {
    59     token[3]++;
    60     token[3][strlen(token[3])-1] = '\0';
    61     } else
    62     token[3] = (char *) "";
    63 niro 1123 # if ENABLE_UNICODE_SUPPORT
    64     {
    65     uni_stat_t uni_stat;
    66     char *uni_name = unicode_conv_to_printable(&uni_stat, token[0]);
    67     unsigned pad_len = (uni_stat.unicode_width > 19) ? 0 : 19 - uni_stat.unicode_width;
    68     printf("%s%*s %8s %2s %s\n", uni_name, pad_len, "", token[1], token[2], token[3]);
    69     free(uni_name);
    70     }
    71 niro 984 # else
    72 niro 816 printf("%-19s %8s %2s %s\n", token[0], token[1], token[2], token[3]);
    73 niro 984 # endif
    74 niro 532 }
    75 niro 816 } else {
    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 niro 1123 # if ENABLE_UNICODE_SUPPORT
    82     {
    83     uni_stat_t uni_stat;
    84     char *uni_name = unicode_conv_to_printable(&uni_stat, token[0]);
    85     unsigned pad_len = (uni_stat.unicode_width > 19) ? 0 : 19 - uni_stat.unicode_width;
    86     printf("%s%*s %8s %2s %s\n", uni_name, pad_len, "", token[1], token[2], token[3]);
    87     free(uni_name);
    88     }
    89 niro 984 # else
    90 niro 816 printf("%-19s %8s %2s %s\n", token[0], token[1], token[2], token[3]);
    91 niro 984 # endif
    92 niro 532 }
    93     }
    94 niro 816 if (ENABLE_FEATURE_CLEAN_UP)
    95     config_close(parser);
    96     #else
    97     check_tainted();
    98     xprint_and_close_file(xfopen_for_read("/proc/modules"));
    99 niro 532 #endif
    100     return EXIT_SUCCESS;
    101     }