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Allow Utf8EncodeHeap to return NULL, clean up Utf8Size

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This commit is contained in:
Ethan Lee 2021-05-15 09:58:00 -04:00
parent e316ae5cfd
commit 00c94a24eb
1 changed files with 10 additions and 2 deletions
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12
src/SDL2.cs
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@ -48,7 +48,11 @@ namespace SDL2
/* Used for stack allocated string marshaling. */ /* Used for stack allocated string marshaling. */
internal static int Utf8Size(string str) internal static int Utf8Size(string str)
{ {
return str != null ? (str.Length * 4) + 1 : 0; if (str == null)
{
return 0;
}
return (str.Length * 4) + 1;
} }
internal static unsafe byte* Utf8Encode(string str, byte* buffer, int bufferSize) internal static unsafe byte* Utf8Encode(string str, byte* buffer, int bufferSize)
{ {
@ -68,7 +72,11 @@ namespace SDL2
*/ */
internal static unsafe byte* Utf8EncodeHeap(string str) internal static unsafe byte* Utf8EncodeHeap(string str)
{ {
Debug.Assert(str != null); if (str == null)
{
return (byte*) 0;
}
int bufferSize = Utf8Size(str); int bufferSize = Utf8Size(str);
byte* buffer = (byte*) Marshal.AllocHGlobal(bufferSize); byte* buffer = (byte*) Marshal.AllocHGlobal(bufferSize);
fixed (char* strPtr = str) fixed (char* strPtr = str)