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Fix pinvoke crashes when returning strings for GetMonitorName, GetClipboardText and GetGamepadName

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- These functions return native memory to strings. However it was trying to free the native memory.
- I changed it so they return IntPtr internally and the public versions use Marshal.PtrToStringAnsi to copy it into a
string which fixes this issue.
This commit is contained in:
ChrisDill 2020-12-29 18:32:54 +00:00
parent 701434ef99
commit b1f46d3307
1 changed files with 19 additions and 7 deletions
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24
Raylib-cs/Raylib.cs
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@ -1004,12 +1004,20 @@ namespace Raylib_cs
public static extern Vector2 GetWindowScaleDPI();
// Get the human-readable, UTF-8 encoded name of the primary monitor
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
public static extern string GetMonitorName(int monitor);
[DllImport(nativeLibName, EntryPoint = "GetMonitorName", CallingConvention = CallingConvention.Cdecl)]
private static extern IntPtr INTERNAL_GetMonitorName(int monitor);
public static string GetMonitorName(int monitor)
{
return Marshal.PtrToStringAnsi(INTERNAL_GetMonitorName(monitor));
}
// Get clipboard text content
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
public static extern string GetClipboardText();
[DllImport(nativeLibName, EntryPoint = "GetClipboardText", CallingConvention = CallingConvention.Cdecl)]
private static extern IntPtr INTERNAL_GetClipboardText();
public static string GetClipboardText()
{
return Marshal.PtrToStringAnsi(INTERNAL_GetClipboardText());
}
// Set clipboard text content
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
@ -1280,8 +1288,12 @@ namespace Raylib_cs
public static extern bool IsGamepadName(GamepadNumber gamepad, string name);
// Return gamepad internal name id
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
public static extern string GetGamepadName(GamepadNumber gamepad);
[DllImport(nativeLibName, EntryPoint = "GetGamepadName", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr INTERNAL_GetGamepadName(GamepadNumber gamepad);
public static string GetGamepadName(GamepadNumber gamepad)
{
return Marshal.PtrToStringAnsi(INTERNAL_GetGamepadName(gamepad));
}
// Detect if a gamepad button has been pressed once
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]