gistfile1.c

#include <glib.h>
#include <stdio.h>

int main() {
	// test a string with non-ASCII code points below U+0100
	const unsigned char test1[] = "http://google.com/?q=tést";
	// test a string with code points above U+0100
	const unsigned char test2[]  = "http://google.com/?q=テスト";
	
	GError *err = NULL;
	char *loc;
	
	if (loc = g_locale_from_utf8(test1, -1, NULL, NULL, &err)) {
		printf("test1: translated string is %s\n", loc);
		g_free(loc);
	} else if (err) {
		printf("test1 error: %s\n", err->message);
		g_error_free(err);
		err = NULL;
	}
	
	printf("test2: UTF-8 byte sequence is: ");
	for (int i = 0; test2[i]; i++)
		printf("%02X ", test2[i]);
	printf("\n");
	
	if (loc = g_locale_from_utf8(test2, -1, NULL, NULL, &err)) {
		printf("test2: translated string is %s\n", loc);
		g_free(loc);
	} else if (err) {
		printf("test2 error: %s\n", err->message);
		g_error_free(err);
		err = NULL;
	}
	
	return 0;
}