//   Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.

#include <stdio.h>

#include <errno.h>

#include <string.h>

#include <stdlib.h>

#include <unicode/utypes.h>

#include <unicode/ucnv.h>

#include <unicode/unistr.h>

#include <unicode/translit.h>

main()

{

    UBool ret = TRUE;

    UConverter *convfrom = 0;

    UConverter *convto = 0;

    UErrorCode err = U_ZERO_ERROR;

    UBool flush;

    const char *cbufp;

    char *bufp;

    char *buf = 0;

    int i;

    int32_t len32;

    const UChar *unibufbp;

    UChar *unibufp;

    UChar *unibuf = 0;

    printf("Conversion testing for ISO-2022-KR:\n\n");

    convto = ucnv_open("iso-2022-kr", &err);

    if (U_FAILURE(err)) {

	fprintf(stderr, "ucnv_open error - exiting.\n");

	exit(-1);

    }

    buf = (char *)malloc(1024);

    memset(buf, 0, 1024);

    unibuf = (UChar *)malloc(sizeof(UChar) * 4);

    unibuf[0] = 0xac00;

    unibuf[1] = 0x000d;

    unibuf[2] = 0x000a;

    unibuf[3] = 0xac00;

	bufp = buf;

        unibufp = unibuf;

	printf("Checking ucnv_fromUnicode()...\n");

	ucnv_fromUnicode(convto, &bufp, (const char *)bufp + 1024,

                             (const UChar **)&unibufp,

                             (const UChar *)unibuf + 4,

                             NULL, (1 > 0), &err);

	bufp += 15;

	unibufp = unibuf + 4;

	ucnv_fromUnicode(convto, &bufp, (const char *)bufp + 1024 - 15,

                             (const UChar **)&unibufp,

                             (const UChar *)unibufp,

                             NULL, (1 > 0), &err);

	if (U_FAILURE(err)) {

		fprintf(stderr, "conversion error!\n");

		exit(-1);

            }

	for (i = 0; buf[i]; i++)

		if (buf[i] == 0x1b)

			printf("%3d  %02x ESC\n", i, (unsigned char)buf[i]);

		else

			printf("%3d  %02x\n", i, (unsigned char)buf[i]);

	if (i > 0 && buf[i - 1] == 0x0f)

		printf("Conversion ended with SI - success.\n");

	else

		printf("Conversion didn't ended with SI - failed.\n");

	ucnv_resetFromUnicode(convto);

    memset(buf, 0, 1024);

    unibuf[0] = 0xac00;

    unibuf[1] = 0x000d;

    unibuf[2] = 0x000a;

    unibuf[3] = 0xac00;

	bufp = buf;

        unibufp = unibuf;

	printf("\nChecking ucnv_fromUChars()...\n");

	len32 = ucnv_fromUChars(convto, bufp, 1024, unibufp, 4, &err);

	for (i = 0; len32 > i; i++)

		if (buf[i] == 0x1b)

			printf("%3d  %02x ESC\n", i, (unsigned char)buf[i]);

		else

			printf("%3d  %02x\n", i, (unsigned char)buf[i]);

	if (i > 0 && buf[i - 1] == 0x0f)

		printf("Conversion ended with SI - success.\n");

	else

		printf("Conversion didn't ended with SI - failed.\n");

    if (convto) ucnv_close(convto);

    if (buf) delete[] buf;

    if (unibuf) delete[] unibuf;

}