#include <stdio.h>
#include <locale.h>

/* to build */
/* gcc -o tst_unicode -L /home/hugang/deve/cvs/internet/gnokii/common/ \
 * -lgnokii 
 **/

/* interface to call gnokii lib */
extern void char_encode_unicode(unsigned char *, const unsigned char *, int);
extern void char_decode_unicode(unsigned char *, const unsigned char *, int);

const unsigned char *cin = "Äã12ºÃ15";
/* feff 4f60 0031 0032 597d 0031 0035 000a * unicode of it */
const int  clen = 12;

/* copy from address@hidden@myGnokii */
void 
dump_string(const char *message, int messagesize)
{
        int i;
        char buf[17];

        buf[16] = 0;

        for (i = 0; i < messagesize; i++) {
                if (i % 16 == 0) {
                        if (i != 0) printf(" %s", buf);
                        printf("\n");
                        memset(buf, ' ', 16);
                } else {
                        printf("|");
                }
                printf("%02x", message[i] & 0xff);
                if (isprint(message[i]) && message[i]!=0x09) {
                        if ((i+1) % 16 != 0) printf("%c", message[i]);
                        buf[i % 16] = message[i];
                } else {
                        if ((i+1) % 16 != 0) printf(" ");
                        buf[i % 16] = '.';
                }
        }
        if (i % 16 == 0) {
                printf(" %s", buf);
        } else {
                printf("%*s %s", 4 * (16 - i % 16) - 1, "", buf);
        }
        printf("\n");

}

void 
do_test()
{
	unsigned char u_dest[128]; 
	unsigned char m_dest[128];

	/* dump the old string */
	dump_string(cin, clen);
	
	/* convert it to unicode */
	char_encode_unicode(u_dest, cin, clen);
	dump_string(u_dest, clen * 2);

	/* conver the unicode to old*/
	char_decode_unicode(m_dest, u_dest, clen * 2);
	dump_string(m_dest, clen);
}
int 
main()
{
	if (setlocale(LC_ALL, "zh_CN"))
		do_test();
}