X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FKernel%2Fdrv%2Fvterm.c;h=63db01e467385152389c4e3518f64488c3f2a214;hb=e02f66c7125bf18f77c6c53587238cbd49da2c89;hp=7d30511f4be7a09e221c14e0615e9c820b20d063;hpb=6d6b367c4f5e413a9e4135d9f5c40077c3724525;p=tpg%2Facess2.git

diff --git a/KernelLand/Kernel/drv/vterm.c b/KernelLand/Kernel/drv/vterm.c
index 7d30511f..63db01e4 100644
--- a/KernelLand/Kernel/drv/vterm.c
+++ b/KernelLand/Kernel/drv/vterm.c
@@ -196,7 +196,6 @@ int VT_Install(char **Arguments)
 //		Semaphore_Init(&gVT_Terminals[i].InputSemaphore, 0, MAX_INPUT_CHARS8, "VTerm", gVT_Terminals[i].Name);
 	}
 	
-	Log_Debug("VTerm", "Registering with DevFS");
 	// Add to DevFS
 	DevFS_AddDevice( &gVT_DrvInfo );
 	
@@ -353,8 +352,7 @@ int VT_Root_IOCtl(tVFS_Node *Node, int Id, void *Data)
  */
 size_t VT_Read(tVFS_Node *Node, off_t Offset, size_t Length, void *Buffer)
 {
-	 int	pos = 0;
-	 int	avail;
+	 int	pos, avail;
 	tVTerm	*term = &gVT_Terminals[ Node->Inode ];
 	Uint32	*codepoint_buf = Buffer;
 	Uint32	*codepoint_in;
@@ -373,9 +371,10 @@ size_t VT_Read(tVFS_Node *Node, off_t Offset, size_t Length, void *Buffer)
 		avail = term->InputWrite - term->InputRead;
 		if(avail < 0)
 			avail += MAX_INPUT_CHARS8;
-		if(avail > Length - pos)
-			avail = Length - pos;
+		if(avail > Length)
+			avail = Length;
 		
+		pos = 0;
 		while( avail -- )
 		{
 			((char*)Buffer)[pos] = term->InputBuffer[term->InputRead];
@@ -395,12 +394,13 @@ size_t VT_Read(tVFS_Node *Node, off_t Offset, size_t Length, void *Buffer)
 		if(avail < 0)
 			avail += MAX_INPUT_CHARS32;
 		Length /= 4;
-		if(avail > Length - pos)
-			avail = Length - pos;
+		if(avail > Length)
+			avail = Length;
 		
 		codepoint_in = (void*)term->InputBuffer;
 		codepoint_buf = Buffer;
 		
+		pos = 0;
 		while( avail -- )
 		{
 			codepoint_buf[pos] = codepoint_in[term->InputRead];