gposttl shared library tokenizer test

dlopen.c

#include <stdlib.h>
#include <stdio.h>
#include <dlfcn.h>

int (*initialize_tagger)(char *envp);
void (*destroy_tagger)(void);
char *(*Tokenizer)(char *buff);
char *(*tag)(char *buf, int enhanced_penntag);

int main(int argc, char **argv) {
	int i;
	char *token;
	void *handle;
	char *error;

	char *words = "My name is The Plauge.";

	handle = dlopen ("/usr/lib/libgposttl.so.0.0.0", RTLD_GLOBAL|RTLD_LAZY);
	if (!handle) {
		fputs (dlerror(), stderr);
		exit(1);
	}

	initialize_tagger = dlsym(handle, "initialize_tagger");
	if ((error = dlerror()) != NULL)  {
		fputs(error, stderr);
		exit(1);
	}

	destroy_tagger = dlsym(handle, "destroy_tagger");
	if ((error = dlerror()) != NULL)  {
		fputs(error, stderr);
		exit(1);
	}

	Tokenizer = dlsym(handle, "Tokenizer");
	if ((error = dlerror()) != NULL)  {
		fputs(error, stderr);
		exit(1);
	}

	tag = dlsym(handle, "tag");
	if ((error = dlerror()) != NULL)  {
		fputs(error, stderr);
		exit(1);
	}

	i = initialize_tagger("/usr/share/gposttl");
	if(i == -1) {
		fputs("Error in tagger init", stderr);
		exit(1);
	}

	token = tag(Tokenizer(words), 1);
	if(token == NULL) {
		fputs("Error in tokenizer", stderr);
		exit(1);
	}

	puts(token);

	destroy_tagger();

	dlclose(handle);
}