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#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;
}
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