* doc/OpenFileChnl.3: Added documentation for Tcl_WriteRaw and

	  Tcl_ReadRaw [#414929].

	* doc/CrtChannel.3: Added documentation for Tcl_ChannelBuffered
	  and Tcl_GetTopChannel [#414929].

2 files changed, 45 insertions, 4 deletions

diff --git a/doc/CrtChannel.3 b/doc/CrtChannel.3
index f9e79be..5178f93 100644
--- a/doc/CrtChannel.3
+++ b/doc/CrtChannel.3
@@ -5,13 +5,13 @@
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 '\"
-'\" RCS: @(#) $Id: CrtChannel.3,v 1.10 2001/09/10 21:49:37 andreas_kupries Exp $
+'\" RCS: @(#) $Id: CrtChannel.3,v 1.11 2001/09/11 18:29:56 andreas_kupries Exp $
 .so man.macros
 .TH Tcl_CreateChannel 3 8.3 Tcl "Tcl Library Procedures"
 .BS
 '\" Note:  do not modify the .SH NAME line immediately below!
 .SH NAME
-Tcl_CreateChannel, Tcl_GetChannelInstanceData, Tcl_GetChannelType, Tcl_GetChannelName, Tcl_GetChannelHandle, Tcl_GetChannelMode, Tcl_GetChannelBufferSize, Tcl_SetChannelBufferSize, Tcl_NotifyChannel, Tcl_BadChannelOption, Tcl_ChannelName, Tcl_ChannelVersion, Tcl_ChannelBlockModeProc, Tcl_ChannelCloseProc, Tcl_ChannelClose2Proc, Tcl_ChannelInputProc, Tcl_ChannelOutputProc, Tcl_ChannelSeekProc, Tcl_ChannelSetOptionProc, Tcl_ChannelGetOptionProc, Tcl_ChannelWatchProc, Tcl_ChannelGetHandleProc, Tcl_ChannelFlushProc, Tcl_ChannelHandlerProc, Tcl_IsChannelShared, Tcl_IsChannelRegistered, Tcl_CutChannel, Tcl_SpliceChannel, Tcl_IsChannelExisting, Tcl_ClearChannelHandlers, Tcl_GetChannelThread \- procedures for creating and manipulating channels
+Tcl_CreateChannel, Tcl_GetChannelInstanceData, Tcl_GetChannelType, Tcl_GetChannelName, Tcl_GetChannelHandle, Tcl_GetChannelMode, Tcl_GetChannelBufferSize, Tcl_SetChannelBufferSize, Tcl_NotifyChannel, Tcl_BadChannelOption, Tcl_ChannelName, Tcl_ChannelVersion, Tcl_ChannelBlockModeProc, Tcl_ChannelCloseProc, Tcl_ChannelClose2Proc, Tcl_ChannelInputProc, Tcl_ChannelOutputProc, Tcl_ChannelSeekProc, Tcl_ChannelSetOptionProc, Tcl_ChannelGetOptionProc, Tcl_ChannelWatchProc, Tcl_ChannelGetHandleProc, Tcl_ChannelFlushProc, Tcl_ChannelHandlerProc, Tcl_IsChannelShared, Tcl_IsChannelRegistered, Tcl_CutChannel, Tcl_SpliceChannel, Tcl_IsChannelExisting, Tcl_ClearChannelHandlers, Tcl_GetChannelThread, Tcl_ChannelBuffered, Tcl_GetTopChannel \- procedures for creating and manipulating channels
 .SH SYNOPSIS
 .nf
 \fB#include <tcl.h>\fR
@@ -67,6 +67,12 @@ void
 .VE
 .VS 8.3.2
 .sp
+int
+\fBTcl_ChannelBuffered\fR(\fIchannel\fR)
+.sp
+Tcl_Channel
+\fBTcl_GetTopChannel\fR(\fIchannel\fR)
+.sp
 char *
 \fBTcl_ChannelName\fR(\fItypePtr\fR)
 .sp
@@ -262,6 +268,16 @@ channel.  See \fBWATCHPROC\fR below for more details.
 procs to generate a complete error message.
 .VE
 .PP
+.VS 8.3.2
+\fBTcl_GetTopChannel\fR returns the top channel in the stack of
+channels the supplied channel is part of.
+.PP
+\fBTcl_ChannelBuffered\fR returns the number of bytes of input
+currently buffered in the internal buffer (push back area) of the
+channel itself. It does not report about the data in the overall
+buffers for the stack of channels the supplied channel is part of.
+.VE
+.PP
 .VS 8.4
 \fBTcl_IsChannelShared\fR checks the refcount of the specified
 \fIchannel\fR and returns whether the \fIchannel\fR was shared among
diff --git a/doc/OpenFileChnl.3 b/doc/OpenFileChnl.3
index 9237fb2..a0eec70 100644
--- a/doc/OpenFileChnl.3
+++ b/doc/OpenFileChnl.3
@@ -4,13 +4,13 @@
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 '\"
-'\" RCS: @(#) $Id: OpenFileChnl.3,v 1.11 2001/09/10 21:49:37 andreas_kupries Exp $
+'\" RCS: @(#) $Id: OpenFileChnl.3,v 1.12 2001/09/11 18:29:56 andreas_kupries Exp $
 .so man.macros
 .TH Tcl_OpenFileChannel 3 8.3 Tcl "Tcl Library Procedures"
 .BS
 '\" Note:  do not modify the .SH NAME line immediately below!
 .SH NAME
-Tcl_OpenFileChannel, Tcl_OpenCommandChannel, Tcl_MakeFileChannel, Tcl_GetChannel, Tcl_GetChannelNames, Tcl_GetChannelNamesEx, Tcl_RegisterChannel, Tcl_UnregisterChannel, Tcl_DetachChannel, Tcl_IsStandardChannel, Tcl_Close, Tcl_ReadChars, Tcl_Read, Tcl_GetsObj, Tcl_Gets, Tcl_WriteObj, Tcl_WriteChars, Tcl_Write, Tcl_Flush, Tcl_Seek, Tcl_Tell, Tcl_GetChannelOption, Tcl_SetChannelOption, Tcl_Eof, Tcl_InputBlocked, Tcl_InputBuffered, Tcl_Ungets \- buffered I/O facilities using channels
+Tcl_OpenFileChannel, Tcl_OpenCommandChannel, Tcl_MakeFileChannel, Tcl_GetChannel, Tcl_GetChannelNames, Tcl_GetChannelNamesEx, Tcl_RegisterChannel, Tcl_UnregisterChannel, Tcl_DetachChannel, Tcl_IsStandardChannel, Tcl_Close, Tcl_ReadChars, Tcl_Read, Tcl_GetsObj, Tcl_Gets, Tcl_WriteObj, Tcl_WriteChars, Tcl_Write, Tcl_Flush, Tcl_Seek, Tcl_Tell, Tcl_GetChannelOption, Tcl_SetChannelOption, Tcl_Eof, Tcl_InputBlocked, Tcl_InputBuffered, Tcl_Ungets,  Tcl_ReadRaw, Tcl_WriteRaw \- buffered I/O facilities using channels
 .SH SYNOPSIS
 .nf
 \fB#include <tcl.h>\fR
@@ -79,6 +79,14 @@ int
 int
 \fBTcl_Write\fR(\fIchannel, byteBuf, bytesToWrite\fR)
 .VE
+.VS 8.3.2
+.sp
+int
+\fBTcl_ReadRaw\fR(\fIchannel, bufPtr, bytesToRead\fR)
+.sp
+int
+\fBTcl_WriteRaw\fR(\fIchannel, bufPtr, bytesToWrite\fR)
+.VE
 .sp
 int
 \fBTcl_Eof\fR(\fIchannel\fR)
@@ -463,6 +471,14 @@ of \fBTcl_Read\fR is the number of bytes, up to \fItoRead\fR, written in
 \fIbuf\fR.  The buffer produced by \fBTcl_Read\fR is not NULL terminated.
 Its contents are valid from the zeroth position up to and excluding the
 position indicated by the return value.  
+.PP
+\fBTcl_ReadRaw\fR is the same as \fBTcl_Read\fR but does not
+compensate for stacking. While \fBTcl_Read\fR (and the other functions
+in the API) always get their data from the topmost channel in the
+stack the supplied channel is part of, \fBTcl_ReadRaw\fR does
+not. Thus this function is \fBonly\fR usable for transformational
+channel drivers, i.e. drivers used in the middle of a stack of
+channels, to move data from the channel below into the transformation.
 
 .SH "TCL_GETSOBJ AND TCL_GETS"
 .PP
@@ -547,6 +563,15 @@ Tcl extensions.  It accepts \fIbytesToWrite\fR bytes of data at
 \fIbyteBuf\fR and queues them for output to \fIchannel\fR.  If
 \fIbytesToWrite\fR is negative, \fBTcl_Write\fR expects \fIbyteBuf\fR to be
 NULL terminated and it outputs everything up to the NULL.
+.PP
+\fBTcl_WriteRaw\fR is the same as \fBTcl_Write\fR but does not
+compensate for stacking. While \fBTcl_Write\fR (and the other
+functions in the API) always feed their input to the topmost channel
+in the stack the supplied channel is part of, \fBTcl_WriteRaw\fR does
+not. Thus this function is \fBonly\fR usable for transformational
+channel drivers, i.e. drivers used in the middle of a stack of
+channels, to move data from the transformation into the channel below
+it.
 .VE
 
 .SH TCL_FLUSH