iokit/Kernel/IONVRAM.cpp

127 	// Save the partition offset and length
456 			      IOByteCount length)
460   if ((buffer == 0) || (length == 0) ||
461       (offset + length > kIODTNVRAMXPRAMSize))
464   bcopy(_nvramImage + _xpramPartitionOffset + offset, buffer, length);
470 			       IOByteCount length)
474   if ((buffer == 0) || (length == 0) ||
475       (offset + length > kIODTNVRAMXPRAMSize))
478   bcopy(buffer, _nvramImage + _xpramPartitionOffset + offset, length);
520 				       IOByteCount length)
536   if ((buffer == 0) || (length == 0) ||
537       (offset + length > partitionLength))
540   bcopy(_nvramImage + partitionOffset + offset, buffer, length);
547 					IOByteCount length)
563   if ((buffer == 0) || (length == 0) ||
564       (offset + length > partitionLength))
567   bcopy(buffer, _nvramImage + partitionOffset + offset, length);
574 IOByteCount IODTNVRAM::savePanicInfo(UInt8 *buffer, IOByteCount length)
576   if ((_piImage == 0) || (length <= 0)) return 0;
578   if (length > (_piPartitionSize - 4))
579     length = _piPartitionSize - 4;
582   bcopy(buffer, _piImage + 4, length);
584   // Save the Panic Info length.
585   *(UInt32 *)_piImage = length;
597   return length;
627     UInt16 length;
652       // Find the length of the name.
699 	// Clear the length from _piImage and mark dirty.
729 	propDataLength = owHeader->owStrings[propOffset].length;
764   UInt32               cnt, length, maxLength;
800       length = maxLength;
801       ok = convertObjectToProp(tmpBuffer, &length, tmpSymbol, tmpObject);
803 	tmpBuffer += length;
804 	maxLength -= length;
859 	owHeader->owStrings[tmpOffset].length = tmpDataLength;
1077 bool IODTNVRAM::convertObjectToProp(UInt8 *buffer, UInt32 *length,
1121   if ((propNameLength + propDataLength + 2) > *length) return false;
1124   buffer += snprintf((char *)buffer, *length, "%s=", propName);
1129       strlcpy((char *)buffer, "true", *length - propNameLength);
1131       strlcpy((char *)buffer, "false", *length - propNameLength);
1138       strlcpy((char *)buffer, "-1", *length - propNameLength);
1140       snprintf((char *)buffer, *length - propNameLength, "%d", (uint32_t)tmpValue);
1142       snprintf((char *)buffer, *length - propNameLength, "0x%x", (uint32_t)tmpValue);
1147     strlcpy((char *)buffer, tmpString->getCStringNoCopy(), *length - propNameLength);
1158   *length = propNameLength + propDataLength + 2;
1315   IOByteCount       length;
1329     length = prop->nameLength;
1330     if (length > kMaxNVNameLength) length = kMaxNVNameLength;
1331     strncpy(nameBuf, (const char *)prop->name, length);
1332     nameBuf[length] = 0;
1335     length = prop->dataLength;
1336     if (length > kMaxNVDataLength) length = kMaxNVDataLength;
1337     *value = OSData::withBytes(prop->data, length);
1395 OSData *IODTNVRAM::unescapeBytesToData(const UInt8 *bytes, UInt32 length)
1403   // Calculate the actual length of the data.
1406   for (cnt = 0; cnt < length;) {
1424       for (cnt = 0; cnt < length;) {