MeshCentral/MeshAgent
1
0
Fork 0
mirror of https://github.com/Ylianst/MeshAgent synced 2025-12-06 00:13:33 +00:00
Code Issues Releases Wiki Activity

Added optimization comment.

Browse Source
This commit is contained in:
Ylian Saint-Hilaire
2020-08-12 12:33:58 -07:00
parent c155862e96
commit 376d51cb9e
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
microscript/ILibDuktape_HttpStream.c
View File

@@ -3912,7 +3912,9 @@ ILibTransport_DoneState ILibDuktape_httpStream_webSocket_WriteWebSocketPacket(IL
if (bufferLen > 0)
{
int x;
for (x = 0; x < (bufferLen >> 2); ++x) { ((int*)(dataFrame+headerLen+4))[x] = ((int*)buffer)[x] ^ (int)maskKeyInt; } // Mask 4 bytes at a time
// Note that the line below will cause a SegFault on Linux when compiled with GCC -O3, the fault happens at the XOR (^) operation.
// Compiling with -O2 works also, doing the masking operating byte-by-byte also works with -O3.
for (x = 0; x < (bufferLen >> 2); ++x) { ((int*)(dataFrame+headerLen+4))[x] = ((int*)buffer)[x] ^ (int)maskKeyInt; } // Mask 4 bytes at a time (SegFaults with -O3).
for (x = (x << 2); x < bufferLen; ++x) { dataFrame[x + headerLen + 4] = buffer[x] ^ maskKey[x % 4]; } // Mask the reminder
}
retVal = ILibDuktape_DuplexStream_WriteData(state->encodedStream, dataFrame, headerLen + 4 + bufferLen) == 0 ? ILibTransport_DoneState_COMPLETE : ILibTransport_DoneState_INCOMPLETE;