| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stddef.h> |
| #include <errno.h> |
| #include <unistd.h> |
| #include <inttypes.h> |
| #include <string.h> |
| #include <libkmod.h> |
| |
| |
| int main(int argc, char *argv[]) |
| { |
| struct kmod_ctx *ctx; |
| struct kmod_module *mod1, *mod2; |
| const char *modname; |
| int err; |
| |
| if (argc < 2) { |
| fprintf(stderr, "ERR: Provide an alias name\n"); |
| return EXIT_FAILURE; |
| } |
| |
| modname = argv[1]; |
| |
| ctx = kmod_new(NULL, NULL); |
| if (ctx == NULL) |
| exit(EXIT_FAILURE); |
| |
| printf("libkmod version %s\n", VERSION); |
| |
| err = kmod_module_new_from_name(ctx, modname, &mod1); |
| if (err < 0) { |
| fprintf(stderr, "error creating module: '%s'\n", strerror(-err)); |
| goto fail; |
| } |
| |
| printf("modname='%s' obj=%p\n", modname, mod1); |
| |
| err = kmod_module_new_from_name(ctx, modname, &mod2); |
| if (err < 0) { |
| fprintf(stderr, "error creating module: '%s'\n", strerror(-err)); |
| goto fail; |
| } |
| |
| printf("modname='%s' obj=%p\n", modname, mod2); |
| |
| kmod_module_unref(mod1); |
| kmod_module_unref(mod2); |
| |
| /* same thing, but now unref the first module */ |
| |
| err = kmod_module_new_from_name(ctx, modname, &mod1); |
| if (err < 0) { |
| fprintf(stderr, "error creating module: '%s'\n", strerror(-err)); |
| goto fail; |
| } |
| |
| printf("modname='%s' obj=%p\n", modname, mod1); |
| |
| kmod_module_unref(mod1); |
| |
| err = kmod_module_new_from_name(ctx, modname, &mod2); |
| if (err < 0) { |
| fprintf(stderr, "error creating module: '%s'\n", strerror(-err)); |
| goto fail; |
| } |
| |
| printf("modname='%s' obj=%p\n", modname, mod2); |
| |
| kmod_module_unref(mod2); |
| kmod_unref(ctx); |
| |
| return EXIT_SUCCESS; |
| |
| fail: |
| kmod_unref(ctx); |
| return EXIT_FAILURE; |
| } |