+ if (buf8){
+ if (buf8->utf8)
+ free(buf8->utf8);
+ free(buf8);
+ }
+};
+
+
+
+UErrorCode icu_utf16_from_utf8(struct icu_buf_utf16 * dest16,
+ struct icu_buf_utf8 * src8,
+ UErrorCode * status)
+{
+ int32_t utf16_len = 0;
+
+ u_strFromUTF8(dest16->utf16, dest16->utf16_cap,
+ &utf16_len,
+ (const char *) src8->utf8, src8->utf8_len, status);
+
+ // check for buffer overflow, resize and retry
+ if (*status == U_BUFFER_OVERFLOW_ERROR
+ //|| dest16->utf16_len > dest16->utf16_cap
+ ){
+ icu_buf_utf16_resize(dest16, utf16_len * 2);
+ *status = U_ZERO_ERROR;
+ u_strFromUTF8(dest16->utf16, dest16->utf16_cap,
+ &utf16_len,
+ (const char *) src8->utf8, src8->utf8_len, status);
+ }
+
+ //if (*status != U_BUFFER_OVERFLOW_ERROR
+ if (U_SUCCESS(*status)
+ && utf16_len < dest16->utf16_cap)
+ dest16->utf16_len = utf16_len;
+ else {
+ dest16->utf16[0] = (UChar) 0;
+ dest16->utf16_len = 0;
+ }
+
+ return *status;
+};
+
+
+
+UErrorCode icu_utf16_from_utf8_cstr(struct icu_buf_utf16 * dest16,
+ const char * src8cstr,
+ UErrorCode * status)
+{
+ size_t src8cstr_len = 0;
+ int32_t utf16_len = 0;
+
+ src8cstr_len = strlen(src8cstr);
+
+ u_strFromUTF8(dest16->utf16, dest16->utf16_cap,
+ &utf16_len,
+ src8cstr, src8cstr_len, status);
+
+ // check for buffer overflow, resize and retry
+ if (*status == U_BUFFER_OVERFLOW_ERROR
+ //|| dest16->utf16_len > dest16->utf16_cap
+ ){
+ icu_buf_utf16_resize(dest16, utf16_len * 2);
+ *status = U_ZERO_ERROR;
+ u_strFromUTF8(dest16->utf16, dest16->utf16_cap,
+ &utf16_len,
+ src8cstr, src8cstr_len, status);
+ }
+
+ // if (*status != U_BUFFER_OVERFLOW_ERROR
+ if (U_SUCCESS(*status)
+ && utf16_len < dest16->utf16_cap)
+ dest16->utf16_len = utf16_len;
+ else {
+ dest16->utf16[0] = (UChar) 0;
+ dest16->utf16_len = 0;
+ }
+
+ return *status;
+};
+
+
+
+
+UErrorCode icu_utf16_to_utf8(struct icu_buf_utf8 * dest8,
+ struct icu_buf_utf16 * src16,
+ UErrorCode * status)
+{
+ int32_t utf8_len = 0;
+
+ u_strToUTF8((char *) dest8->utf8, dest8->utf8_cap,
+ &utf8_len,
+ src16->utf16, src16->utf16_len, status);
+
+ // check for buffer overflow, resize and retry
+ if (*status == U_BUFFER_OVERFLOW_ERROR
+ //|| dest8->utf8_len > dest8->utf8_cap
+ ){
+ icu_buf_utf8_resize(dest8, utf8_len * 2);
+ *status = U_ZERO_ERROR;
+ u_strToUTF8((char *) dest8->utf8, dest8->utf8_cap,
+ &utf8_len,
+ src16->utf16, src16->utf16_len, status);
+
+ }
+
+ //if (*status != U_BUFFER_OVERFLOW_ERROR
+ if (U_SUCCESS(*status)
+ && utf8_len < dest8->utf8_cap)
+ dest8->utf8_len = utf8_len;
+ else {
+ dest8->utf8[0] = (uint8_t) 0;
+ dest8->utf8_len = 0;
+ }
+
+ return *status;
+};