Difference between revisions of "Data:getPointer"
m (Added notice about dangers) |
(the page for Data:getFFIPointer says it should be used instead of getPointer, so I've added a notice here linking to Data:getFFIPointer) |
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Gets a pointer to the Data. Can be used with libraries such as LuaJIT's [http://luajit.org/ext_ffi.html FFI]. | Gets a pointer to the Data. Can be used with libraries such as LuaJIT's [http://luajit.org/ext_ffi.html FFI]. | ||
{{notice|Use at your own risk. Directly reading from and writing to the raw memory owned by the Data will bypass any safety checks and thread-safety the Data might normally have.}} | {{notice|Use at your own risk. Directly reading from and writing to the raw memory owned by the Data will bypass any safety checks and thread-safety the Data might normally have.}} | ||
| + | {{notice|Since Löve [[11.3]], [[Data:getFFIPointer]] is a preferred alternative because it can work with new 64-bit architectures.}} | ||
== Function == | == Function == | ||
=== Synopsis === | === Synopsis === | ||
| Line 14: | Line 15: | ||
* [[Data:getSize]] | * [[Data:getSize]] | ||
* [[Data:getString]] | * [[Data:getString]] | ||
| + | * [[Data:getFFIPointer]] | ||
[[Category:Functions]] | [[Category:Functions]] | ||
{{#set:Description=Gets a pointer to the Data.}} | {{#set:Description=Gets a pointer to the Data.}} | ||
Revision as of 09:18, 21 February 2020
Gets a pointer to the Data. Can be used with libraries such as LuaJIT's FFI.
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Use at your own risk. Directly reading from and writing to the raw memory owned by the Data will bypass any safety checks and thread-safety the Data might normally have. |
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Since Löve 11.3, Data:getFFIPointer is a preferred alternative because it can work with new 64-bit architectures. |
Function
Synopsis
pointer = Data:getPointer( )
Arguments
None.
Returns
light userdata pointer- A raw pointer to the Data.
See Also
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