macosx-10.9.5/CF-855.17/CFStringEncodingConverter.c

684         CFIndex theUsedByteLen = 0;
708         while ((usedLen < numChars) && (!maxByteLen || (theUsedByteLen < maxByteLen))) {
709             if ((usedLen += TO_BYTE(converter, flags, characters + usedLen, numChars - usedLen, bytes + theUsedByteLen, (maxByteLen ? maxByteLen - theUsedByteLen : 0), &localUsedByteLen)) < numChars) {
717                         theUsedByteLen += localUsedByteLen;
720                             theUsedByteLen -= localUsedByteLen;
722                             theUsedByteLen--;
724                         if ((localUsedLen = toBytesPrecompose(flags, characters + usedLen, numChars - usedLen, bytes + theUsedByteLen, (maxByteLen ? maxByteLen - theUsedByteLen : 0), &localUsedByteLen)) > 0) {
727                                 theUsedByteLen += localUsedByteLen;
737                                 if (maxByteLen) *(bytes + theUsedByteLen) = lossyByte;
740                                 usedLen += TO_BYTE_FALLBACK(converter, characters + usedLen, numChars - usedLen, bytes + theUsedByteLen, (maxByteLen ? maxByteLen - theUsedByteLen : 0), &localUsedByteLen);
746                     } else if (maxByteLen && ((maxByteLen == theUsedByteLen + localUsedByteLen) || TO_BYTE(converter, flags, characters + usedLen, numChars - usedLen, NULL, 0, &dummy))) { // buffer was filled up
747                                     theUsedByteLen += localUsedByteLen;
755                         theUsedByteLen += localUsedByteLen;
759                             if (maxByteLen) *(bytes + theUsedByteLen) = lossyByte;
761                             usedLen += TO_BYTE_FALLBACK(converter, characters + usedLen, numChars - usedLen, bytes + theUsedByteLen, (maxByteLen ? maxByteLen - theUsedByteLen : 0), &localUsedByteLen);
764                 } else if (maxByteLen && ((maxByteLen == theUsedByteLen + localUsedByteLen) || TO_BYTE(converter, flags, characters + usedLen, numChars - usedLen, NULL, 0, &dummy))) { // buffer was filled up
765                     theUsedByteLen += localUsedByteLen;
778                     theUsedByteLen += localUsedByteLen;
782                         if (maxByteLen) *(bytes + theUsedByteLen) = lossyByte;
784                         usedLen += TO_BYTE_FALLBACK(converter, characters + usedLen, numChars - usedLen, bytes + theUsedByteLen, (maxByteLen ? maxByteLen - theUsedByteLen : 0), &localUsedByteLen);
787                     theUsedByteLen += localUsedByteLen;
792             theUsedByteLen += localUsedByteLen;
804         if (usedByteLen) *usedByteLen = theUsedByteLen;