diff options
Diffstat (limited to 'doc/OpenFileChnl.3')
| -rw-r--r-- | doc/OpenFileChnl.3 | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/doc/OpenFileChnl.3 b/doc/OpenFileChnl.3 index 82f51ce..582ff4b 100644 --- a/doc/OpenFileChnl.3 +++ b/doc/OpenFileChnl.3 @@ -4,8 +4,8 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -.so man.macros .TH Tcl_OpenFileChannel 3 8.3 Tcl "Tcl Library Procedures" +.so man.macros .BS '\" Note: do not modify the .SH NAME line immediately below! .SH NAME @@ -115,7 +115,7 @@ Used for error reporting and to look up a channel registered in it. The name of a local or network file. .AP "const char" *mode in Specifies how the file is to be accessed. May have any of the values -allowed for the \fImode\fR argument to the Tcl \fBopen\fR command. +allowed for the \fImode\fR argument to the Tcl \fBopen\fR command. .AP int permissions in POSIX-style permission flags such as 0644. If a new file is created, these permissions will be set on the created file. @@ -141,7 +141,7 @@ file descriptor, for Windows it is a HANDLE. OR-ed combination of \fBTCL_READABLE\fR and \fBTCL_WRITABLE\fR to indicate what operations are valid on \fIhandle\fR. .AP "const char" *channelName in -The name of the channel. +The name of the channel. .AP int *modePtr out Points at an integer variable that will receive an OR-ed combination of \fBTCL_READABLE\fR and \fBTCL_WRITABLE\fR denoting whether the channel is @@ -155,8 +155,8 @@ from a procedure such as \fBTcl_OpenFileChannel\fR. A pointer to a Tcl value in which to store the characters read from the channel. .AP int charsToRead in -The number of characters to read from the channel. If the channel's encoding -is \fBbinary\fR, this is equivalent to the number of bytes to read from the +The number of characters to read from the channel. If the channel's encoding +is \fBbinary\fR, this is equivalent to the number of bytes to read from the channel. .AP int appendFlag in If non-zero, data read from the channel will be appended to the value. @@ -169,7 +169,7 @@ be large enough to hold this many bytes. .AP Tcl_Obj *lineObjPtr in/out A pointer to a Tcl value in which to store the line read from the channel. The line read will be appended to the current value of the -value. +value. .AP Tcl_DString *lineRead in/out A pointer to a Tcl dynamic string in which to store the line read from the channel. Must have been initialized by the caller. The line read will be @@ -238,8 +238,8 @@ If an error occurs while opening the channel, \fBTcl_OpenFileChannel\fR returns NULL and records a POSIX error code that can be retrieved with \fBTcl_GetErrno\fR. In addition, if \fIinterp\fR is non-NULL, \fBTcl_OpenFileChannel\fR -leaves an error message in \fIinterp\fR's result after any error. -As of Tcl 8.4, the value-based API \fBTcl_FSOpenFileChannel\fR should +leaves an error message in \fIinterp\fR's result after any error. +As of Tcl 8.4, the value-based API \fBTcl_FSOpenFileChannel\fR should be used in preference to \fBTcl_OpenFileChannel\fR wherever possible. .PP The newly created channel is not registered in the supplied interpreter; to @@ -360,7 +360,7 @@ the standard channels (\fBstdout\fR, \fBstderr\fR, \fBstdin\fR), and will return Code not associated with a Tcl interpreter can call \fBTcl_DetachChannel\fR with \fIinterp\fR as NULL, to indicate to Tcl that it no longer holds a reference to that channel. If this is the last -reference to the channel, unlike \fBTcl_UnregisterChannel\fR, +reference to the channel, unlike \fBTcl_UnregisterChannel\fR, it will not be closed. .SH TCL_ISSTANDARDCHANNEL .PP @@ -368,7 +368,7 @@ it will not be closed. three standard channels, \fBstdin\fR, \fBstdout\fR or \fBstderr\fR. If so, it returns 1, otherwise 0. .PP -No attempt is made to check whether the given channel or the standard +No attempt is made to check whether the given channel or the standard channels are initialized or otherwise valid. .SH TCL_CLOSE .PP @@ -402,7 +402,7 @@ corresponding calls to \fBTcl_UnregisterChannel\fR. .SH "TCL_READCHARS AND TCL_READ" .PP \fBTcl_ReadChars\fR consumes bytes from \fIchannel\fR, converting the bytes -to UTF-8 based on the channel's encoding and storing the produced data in +to UTF-8 based on the channel's encoding and storing the produced data in \fIreadObjPtr\fR's string representation. The return value of \fBTcl_ReadChars\fR is the number of characters, up to \fIcharsToRead\fR, that were stored in \fIreadObjPtr\fR. If an error occurs while reading, the @@ -450,7 +450,7 @@ extensions. It consumes bytes from \fIchannel\fR and stores them in of \fBTcl_Read\fR is the number of bytes, up to \fIbytesToRead\fR, written in \fIreadBuf\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. +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 @@ -507,7 +507,7 @@ to be null-terminated and it outputs everything up to the null. .PP Data queued for output may not appear on the output device immediately, due to internal buffering. If the data should appear immediately, call -\fBTcl_Flush\fR after the call to \fBTcl_WriteChars\fR, or set the +\fBTcl_Flush\fR after the call to \fBTcl_WriteChars\fR, or set the \fB\-buffering\fR option on the channel to \fBnone\fR. If you wish the data to appear as soon as a complete line is accepted for output, set the \fB\-buffering\fR option on the channel to \fBline\fR mode. @@ -525,7 +525,7 @@ channel. This is done even if the channel has no encoding. \fBTcl_WriteObj\fR is similar to \fBTcl_WriteChars\fR except it accepts a Tcl value whose contents will be output to the channel. The UTF-8 characters in \fIwriteObjPtr\fR's string representation are converted -to the channel's encoding and queued for output to \fIchannel\fR. +to the channel's encoding and queued for output to \fIchannel\fR. As a performance optimization, when writing to a channel with the encoding \fBbinary\fR, UTF-8 characters are not converted as they are written. Instead, the bytes in \fIwriteObjPtr\fR's internal representation as a |