mirror of
https://github.com/AuxXxilium/kmod.git
synced 2024-12-19 04:58:22 +07:00
123 lines
2.6 KiB
C
123 lines
2.6 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <errno.h>
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#include <unistd.h>
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#include <inttypes.h>
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#include <string.h>
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#include <libkmod.h>
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#include <getopt.h>
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static const char cmdoptions_short[] = "lh";
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static const struct option cmdoptions[] = {
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{"load-resources", no_argument, 0, 'l'},
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{"help", no_argument, 0, 'h'},
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{NULL, 0, 0, 0}
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};
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static void help(const char *progname)
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{
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const struct option *itr_opt;
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const char *itr_short;
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printf("Usage:\n"
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"\t%s [options] <name-to-lookup>\n"
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"Options:\n",
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progname);
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for (itr_opt = cmdoptions, itr_short = cmdoptions_short;
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itr_opt->name != NULL; itr_opt++, itr_short++)
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printf("\t-%c, --%s\n", *itr_short, itr_opt->name);
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}
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int main(int argc, char *argv[])
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{
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const char *alias = NULL;
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struct kmod_ctx *ctx;
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struct kmod_list *list = NULL, *l;
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char *options;
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int load_resources = 0;
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int err;
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printf("libkmod version %s\n", VERSION);
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for (;;) {
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int c, idx = 0;
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c = getopt_long(argc, argv, cmdoptions_short, cmdoptions, &idx);
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if (c == -1)
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break;
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switch (c) {
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case 'l':
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load_resources = 1;
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break;
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case 'h':
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help(argv[0]);
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return 0;
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case '?':
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return -1;
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default:
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fprintf(stderr,
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"ERR: unexpected getopt_long() value %c\n", c);
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return -1;
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}
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}
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if (optind >= argc) {
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fprintf(stderr, "ERR: Provide an alias name\n");
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return EXIT_FAILURE;
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}
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alias = argv[optind];
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ctx = kmod_new(NULL, NULL);
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if (ctx == NULL) {
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kmod_unref(ctx);
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exit(EXIT_FAILURE);
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}
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if (load_resources) {
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err = kmod_load_resources(ctx);
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if (err < 0) {
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printf("Could not load resources: %s\n",
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strerror(-err));
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kmod_unref(ctx);
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exit(EXIT_FAILURE);
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}
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}
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err = kmod_module_new_from_lookup(ctx, alias, &list);
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if (err < 0)
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exit(EXIT_FAILURE);
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if (list == NULL)
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printf("No module matches '%s'\n", alias);
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else
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printf("Alias: '%s'\nModules matching:\n", alias);
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kmod_list_foreach(l, list) {
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struct kmod_module *mod = kmod_module_get_module(l);
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const char *str;
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printf("\t%s\n", kmod_module_get_name(mod));
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str = kmod_module_get_options(mod);
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if (str)
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printf("\t\toptions: '%s'\n", str);
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str = kmod_module_get_install_commands(mod);
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if (str)
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printf("\t\tinstall commands: '%s'\n", str);
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str = kmod_module_get_remove_commands(mod);
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if (str)
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printf("\t\tremove commands: '%s'\n", str);
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kmod_module_unref(mod);
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}
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err = kmod_resolve_alias_options(ctx, alias, &options);
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if (err == 0) {
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printf("Alias options: '%s'\n", options);
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free(options);
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}
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kmod_module_unref_list(list);
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kmod_unref(ctx);
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return EXIT_SUCCESS;
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}
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