wok-current annotate busybox/stuff/busybox-1.12.0-modinfo.u @ rev 1494

Up gnutls (2.4.2w)
author Pascal Bellard <pascal.bellard@slitaz.org>
date Sun Oct 05 13:04:15 2008 +0000 (2008-10-05)
parents
children 85fbd04c1fd6
rev   line source
pascal@1299 1 --- busybox-1.12.0/include/applets.h
pascal@1299 2 +++ busybox-1.12.0/include/applets.h
pascal@1299 3 @@ -251,6 +251,7 @@ USE_MKFS_MINIX(APPLET_ODDNAME(mkfs.minix
pascal@1299 4 USE_MKNOD(APPLET(mknod, _BB_DIR_BIN, _BB_SUID_NEVER))
pascal@1299 5 USE_MKSWAP(APPLET(mkswap, _BB_DIR_SBIN, _BB_SUID_NEVER))
pascal@1299 6 USE_MKTEMP(APPLET(mktemp, _BB_DIR_BIN, _BB_SUID_NEVER))
pascal@1299 7 +USE_MODINFO(APPLET(modinfo, _BB_DIR_SBIN, _BB_SUID_NEVER))
pascal@1299 8 USE_MODPROBE(APPLET(modprobe, _BB_DIR_SBIN, _BB_SUID_NEVER))
pascal@1299 9 USE_MODPROBE_SMALL(APPLET(modprobe, _BB_DIR_SBIN, _BB_SUID_NEVER))
pascal@1299 10 USE_MORE(APPLET(more, _BB_DIR_BIN, _BB_SUID_NEVER))
pascal@1299 11
pascal@1299 12 --- busybox-1.12.0/include/usage.h
pascal@1299 13 +++ busybox-1.12.0/include/usage.h
pascal@1299 14 @@ -2629,6 +2629,20 @@
pascal@1299 15 " which are the default for alias 'tulip2' overridden by the options 'irq=2 io=0x210'\n\n" \
pascal@1299 16 " from the command line\n"
pascal@1299 17
pascal@1299 18 +#define modinfo_trivial_usage \
pascal@1299 19 + "[-adlp0] [-F keyword] MODULE"
pascal@1299 20 +#define modinfo_full_usage "\n\n" \
pascal@1299 21 + "Options:" \
pascal@1299 22 + "\n -a Shortcut for '-F author'" \
pascal@1299 23 + "\n -d Shortcut for '-F description'" \
pascal@1299 24 + "\n -l Shortcut for '-F license'" \
pascal@1299 25 + "\n -p Shortcut for '-F parm'" \
pascal@1299 26 + "\n -F keyword Keyword to look for" \
pascal@1299 27 + "\n -0 Use \\0 string separator. Not \\n" \
pascal@1299 28 +
pascal@1299 29 +#define modinfo_example_usage \
pascal@1299 30 + "$ modinfo -F vermagic loop\n"
pascal@1299 31 +
pascal@1299 32 #define more_trivial_usage \
pascal@1299 33 "[FILE...]"
pascal@1299 34 #define more_full_usage "\n\n" \
pascal@1299 35
pascal@1299 36 --- busybox-1.12.0/modutils/Config.in
pascal@1299 37 +++ busybox-1.12.0/modutils/Config.in
pascal@1299 38 @@ -213,6 +213,12 @@ config FEATURE_MODPROBE_BLACKLIST
pascal@1299 39 hardware autodetection scripts to load modules like evdev, frame
pascal@1299 40 buffer drivers etc.
pascal@1299 41
pascal@1299 42 +config MODINFO
pascal@1299 43 + bool "modinfo"
pascal@1299 44 + default n
pascal@1299 45 + help
pascal@1299 46 + Show information about a Linux Kernel module
pascal@1299 47 +
pascal@1299 48 comment "Options common to multiple modutils"
pascal@1299 49 depends on INSMOD || RMMOD || MODPROBE || LSMOD || DEPMOD
pascal@1299 50
pascal@1299 51
pascal@1299 52 --- busybox-1.12.0/modutils/Kbuild
pascal@1299 53 +++ busybox-1.12.0/modutils/Kbuild
pascal@1299 54 @@ -11,3 +11,4 @@ lib-$(CONFIG_LSMOD) += lsmod
pascal@1299 55 lib-$(CONFIG_MODPROBE) += modprobe.o
pascal@1299 56 lib-$(CONFIG_MODPROBE_SMALL) += modprobe-small.o
pascal@1299 57 lib-$(CONFIG_RMMOD) += rmmod.o
pascal@1299 58 +lib-$(CONFIG_MODINFO) += modinfo.o
pascal@1299 59
pascal@1299 60 --- busybox-1.12.0/modutils/modinfo.c
pascal@1299 61 +++ busybox-1.12.0/modutils/modinfo.c
pascal@1299 62 @@ -0,0 +1,91 @@
pascal@1299 63 +/* vi: set sw=4 ts=4: */
pascal@1299 64 +/*
pascal@1299 65 + * modinfo - retrieve module info
pascal@1299 66 + * Copyright (c) 2008 Pascal Bellard
pascal@1299 67 + *
pascal@1299 68 + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
pascal@1299 69 + */
pascal@1299 70 +
pascal@1299 71 +#undef _GNU_SOURCE
pascal@1299 72 +#define _GNU_SOURCE
pascal@1299 73 +#include <libbb.h>
pascal@1299 74 +#include <sys/utsname.h> /* uname() */
pascal@1299 75 +
pascal@1299 76 +int modinfo_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
pascal@1299 77 +int modinfo_main(int argc UNUSED_PARAM, char **argv)
pascal@1299 78 +{
pascal@1299 79 + static const char *shortcuts[] = {
pascal@1299 80 + "author",
pascal@1299 81 + "description",
pascal@1299 82 + "license",
pascal@1299 83 + "parm"
pascal@1299 84 + };
pascal@1299 85 + size_t len;
pascal@1299 86 + int i, length;
pascal@1299 87 + char *field = NULL;
pascal@1299 88 + char *ptr, *the_module, *depends, *filename;
pascal@1299 89 + struct utsname un;
pascal@1299 90 + enum {
pascal@1299 91 + ARG_F = (1<<4), /* field name */
pascal@1299 92 + ARG_0 = (1<<5) /* \0 as separator */
pascal@1299 93 + };
pascal@1299 94 + extern void *xalloc_load_module(const char filename[], size_t *len);
pascal@1299 95 +
pascal@1299 96 + getopt32(argv, "adlpF:0", &field);
pascal@1299 97 + argv += optind;
pascal@1299 98 +
pascal@1299 99 + for (i = 0; i < sizeof(shortcuts)/sizeof(shortcuts[0]); i++)
pascal@1299 100 + if (option_mask32 & (1 << i))
pascal@1299 101 + field = (char *) shortcuts[i];
pascal@1299 102 +
pascal@1299 103 + if (!field || !*argv)
pascal@1299 104 + bb_show_usage();
pascal@1299 105 +
pascal@1299 106 + /* get module path from modules.dep */
pascal@1299 107 + uname(&un); /* never fails */
pascal@1299 108 + filename = xasprintf(CONFIG_DEFAULT_MODULES_DIR"/%s/"CONFIG_DEFAULT_DEPMOD_FILE, un.release);
pascal@1299 109 + len = MAXINT(ssize_t);
pascal@1299 110 + the_module = xalloc_load_module(*argv, &len);
pascal@1299 111 + if (the_module == NULL) {
pascal@1299 112 + len = MAXINT(ssize_t);
pascal@1299 113 + ptr = depends = xmalloc_open_read_close(filename, &len);
pascal@1299 114 + depends[len-1] = 0;
pascal@1299 115 + if (ENABLE_FEATURE_CLEAN_UP)
pascal@1299 116 + free(filename);
pascal@1299 117 + do {
pascal@1299 118 + ptr = strstr(ptr,*argv);
pascal@1299 119 + length = strlen(*argv);
pascal@1299 120 + if (!ptr)
pascal@1299 121 + bb_show_usage();
pascal@1299 122 + if (ptr[length] == '.' && ptr[-1] == '/') {
pascal@1299 123 + while (ptr[++length] != ':')
pascal@1299 124 + if (ptr[length] == ' ') goto next;
pascal@1299 125 + ptr[length] = 0;
pascal@1299 126 + while (ptr > depends && ptr[-1] != '\n') ptr--;
pascal@1299 127 + break;
pascal@1299 128 + }
pascal@1299 129 + next:
pascal@1299 130 + ptr++;
pascal@1299 131 + } while (1);
pascal@1299 132 + if (ENABLE_FEATURE_CLEAN_UP)
pascal@1299 133 + free(depends);
pascal@1299 134 +
pascal@1299 135 + len = MAXINT(ssize_t);
pascal@1299 136 + the_module = xalloc_load_module(ptr, &len);
pascal@1299 137 + }
pascal@1299 138 + ptr = the_module;
pascal@1299 139 + length = strlen(field);
pascal@1299 140 + do {
pascal@1299 141 + ptr = memchr(ptr, *field, len - (ptr - (char*)the_module));
pascal@1299 142 + if (ptr == NULL) /* no occurance left, done */
pascal@1299 143 + break;
pascal@1299 144 + if (!strncmp(ptr, field, length) && ptr[length] == '=') {
pascal@1299 145 + ptr += length + 1;
pascal@1299 146 + ptr += printf("%s%c",ptr,(option_mask32 & ARG_0) ? '\0' : '\n');
pascal@1299 147 + }
pascal@1299 148 + ++ptr;
pascal@1299 149 + } while (1);
pascal@1299 150 + if (ENABLE_FEATURE_CLEAN_UP)
pascal@1299 151 + free(the_module);
pascal@1299 152 + return 0;
pascal@1299 153 +}