Difference between revisions of "Lua:qwordToByteTable"

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m (Reverted edits by This content is not available (Talk) to last revision by TheyCallMeTim13)
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[[Category:Lua]]
 
[[Category:Lua]]
'''function''' qwordToByteTable(''Number'') ''':''' table
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'''function''' qwordToByteTable(''Number'') ''':''' Table
  
Converts a QWORD (8 bytes) to a byte table, interpreting it as an integer.
+
Converts a 64-bit qword (integer) to a table of bytes.
  
 
+
===Function Parameters===
Note: If the number is a float only the integer no greater than or no less than the given value will be used.
+
{|width="85%" cellpadding="10%" cellspacing="0" border="0"
 
 
Same as value from 'math.floor'.
 
 
 
  i.e.: 8.1 : 8, 8.9 : 8, -8.1 : -8, -8.9 : -8
 
 
 
 
 
Note: If the number is larger than a QWORD (8 bytes) only the lower portion of the number will be used.
 
 
 
  i.e.: 0xFFFFFFFFFFFFFFFF00 : 0xFFFFFFFFFFFFFF00
 
          8 7 6 5 4 3 2 1 0      7 6 5 4 3 2 1 0
 
 
 
=== Function Parameters ===
 
{|width="85%" cellpadding="10%" cellpadding="5%" cellspacing="0" border="0"
 
 
!align="left"|Parameter
 
!align="left"|Parameter
 
!align="left"|Type
 
!align="left"|Type
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|-
 
|-
 
|Number
 
|Number
|number
+
|Integer
|The number to convert to a byte table
+
|The 64-bit qword to convert.
 
|}
 
|}
  
 +
===Returns===
 +
Table — A table containing the bytes representing the qword.
  
== Examples ==
+
===Examples===
  local bt = qwordToByteTable(0xFFFFFFFFFFFFFFFF)
+
<pre>
                              --7 6 5 4 3 2 1 0
+
local bytes = qwordToByteTable(0x1122334455667788)
  writeBytes('00123ABC', bt)
+
for i, b in ipairs(bytes) do
 
+
  print(string.format("Byte %d: %02X", i, b))
 
+
end
Code:
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-- Output: Byte 1: 88, Byte 2: 77, ..., Byte 8: 11 (little-endian order)
  local bt = qwordToByteTable(10)
+
</pre>
  for i, v in ipairs(bt) do
 
    print(i - 1, string.format('%02X', v))
 
  end
 
 
 
Output:
 
  0 0A
 
  1 00
 
  2 00
 
  3 00
 
  4 00
 
  5 00
 
  6 00
 
  7 00
 
 
 
 
 
Code:
 
  local bt = qwordToByteTable(10.9)
 
  for i, v in ipairs(bt) do
 
    print(i - 1, string.format('%02X', v))
 
  end
 
 
 
Output:
 
  0 0A
 
  1 00
 
  2 00
 
  3 00
 
  4 00
 
  5 00
 
  6 00
 
  7 00
 
 
 
 
 
Code:
 
  local bt = qwordToByteTable(0xFFFFFFFFFFFFFFFFFF00)
 
                              --8 7 6 5 4 4 3 2 1 0
 
  for i, v in ipairs(bt) do
 
    print(i - 1, string.format('%02X', v))
 
  end
 
 
 
Output:
 
  0 00
 
  1 FF
 
  2 FF
 
  3 FF
 
  4 FF
 
  5 FF
 
  6 FF
 
  7 FF
 
 
 
  
 
{{LuaSeeAlso}}
 
{{LuaSeeAlso}}

Revision as of 17:25, 11 July 2025

function qwordToByteTable(Number) : Table

Converts a 64-bit qword (integer) to a table of bytes.

Function Parameters

Parameter Type Description
Number Integer The 64-bit qword to convert.

Returns

Table — A table containing the bytes representing the qword.

Examples

local bytes = qwordToByteTable(0x1122334455667788)
for i, b in ipairs(bytes) do
  print(string.format("Byte %d: %02X", i, b))
end
-- Output: Byte 1: 88, Byte 2: 77, ..., Byte 8: 11 (little-endian order)

See also

Lua
Script Engine

Related Functions

Read Functions
readBytes
readSmallInteger
readInteger
readQword
readPointer
readFloat
readDouble
readString
Read Functions (Local Process)
readBytesLocal
readIntegerLocal
readQwordLocal
readPointerLocal
readFloatLocal
readDoubleLocal
readStringLocal
Write Functions
writeBytes
writeSmallInteger
writeInteger
writeQword
writeFloat
writeDouble
writeString
Write Functions (Local Process)
writeBytesLocal
writeIntegerLocal
writeQwordLocal
writeFloatLocal
writeDoubleLocal
writeStringLocal
Byte Table Conversions (Value → Byte Table)
wordToByteTable
dwordToByteTable
qwordToByteTable
floatToByteTable
doubleToByteTable
stringToByteTable
wideStringToByteTable
Byte Table Conversions (Byte Table → Value)
byteTableToWord
byteTableToDword
byteTableToQword
byteTableToFloat
byteTableToDouble
byteTableToString
byteTableToWideString