radare2/libr/util/t/test-plugin.c

#include <r_lib.h>

int cb_1(struct r_lib_plugin_t *obj, void *a, void *b) {
	int (*fun)() = a; /* points to 'ptr' */
	int num = *(int *)b;

	fun (); /* indirect calls ptr() */
	eprintf ("Plugin value: 0x%x\n", num);
	return 0;
}

int cb_1_end(struct r_lib_plugin_t *obj,void *a, void *b) {
	printf ("==> Plugin '%s' unloaded (file=%s)\n", obj->handler->desc, obj->file);
	return 0;
}

int cb_2(struct r_lib_plugin_t *obj, void *a, void *b) {
	eprintf ("Plugin '%s' unloaded\n", obj->handler->desc);
	return 0;
}

int cb_2_end(struct r_lib_plugin_t *obj,void *a, void *b) {
	eprintf ("==> Plugin 'disassembler' unloaded\n");
	return 0;
}


int ptr() {
	eprintf ("Data pointer passed properly\n");
	return 0;
}

int main(int argc, char **argv) {
	int ret;
	RLib *lib = r_lib_new ("radare_plugin");
	r_lib_add_handler (lib, 1, "example plugin handler", &cb_1, &cb_1_end, &ptr);
	r_lib_add_handler (lib, 2, "disassembler plugin handler", &cb_2, &cb_2_end, &ptr);
	r_lib_add_handler (lib, 3, "file headers parser plugin handler", &cb_2, &cb_2_end, &ptr);

	ret = r_lib_open (lib, "./plugin."R_LIB_EXT);
	if (ret == -1) eprintf ("Cannot open plugin\n");
	else eprintf ("Plugin opened correctly\n");
	r_lib_list (lib);

	printf ("  --- closing './plugin."R_LIB_EXT"' ---\n");
	r_lib_close (lib, "./plugin."R_LIB_EXT);
	r_lib_list (lib);
	printf ("  ---\n");

	r_lib_close (lib, "./plugin."R_LIB_EXT);
	r_lib_free (lib);

	return 0;
}