67 lines
2.3 KiB
Groff
67 lines
2.3 KiB
Groff
'\"
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'\" Copyright (c) 1989-1993 The Regents of the University of California.
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'\" Copyright (c) 1994-1996 Sun Microsystems, Inc.
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'\"
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'\" See the file "license.terms" for information on usage and redistribution
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'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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'\"
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'\" SCCS: @(#) Translate.3 1.22 96/08/26 12:59:51
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'\"
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.so man.macros
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.TH Tcl_TranslateFileName 3 7.5 Tcl "Tcl Library Procedures"
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.BS
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.SH NAME
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Tcl_TranslateFileName \- convert file name to native form and replace tilde with home directory
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.SH SYNOPSIS
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.nf
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\fB#include <tcl.h>\fR
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.sp
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char *
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\fBTcl_TranslateFileName\fR(\fIinterp\fR, \fIname\fR, \fIbufferPtr\fR)
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.SH ARGUMENTS
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.AS Tcl_DString *bufferPtr
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.AP Tcl_Interp *interp in
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Interpreter in which to report an error, if any.
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.AP char *name in
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File name, which may start with a ``~''.
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.AP Tcl_DString *bufferPtr in/out
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If needed, this dynamic string is used to store the new file name.
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At the time of the call it should be uninitialized or empty. The
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caller must eventually call \fBTcl_DStringFree\fR to free up
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anything stored here.
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.BE
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.SH DESCRIPTION
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.PP
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This utility procedure translates a file name to a form suitable for
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passing to the local operating system. It converts network names into
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native form and does tilde substitution.
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.PP
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If
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\fBTcl_TranslateFileName\fR has to do tilde substitution or translate
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the name then it uses
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the dynamic string at \fI*bufferPtr\fR to hold the new string it
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generates.
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After \fBTcl_TranslateFileName\fR returns a non-NULL result, the caller must
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eventually invoke \fBTcl_DStringFree\fR to free any information
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placed in \fI*bufferPtr\fR. The caller need not know whether or
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not \fBTcl_TranslateFileName\fR actually used the string; \fBTcl_TranslateFileName\fR
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initializes \fI*bufferPtr\fR even if it doesn't use it, so the call to
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\fBTcl_DStringFree\fR will be safe in either case.
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.PP
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If an error occurs (e.g. because there was no user by the given
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name) then NULL is returned and an error message will be left
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at \fIinterp->result\fR.
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When an error occurs, \fBTcl_TranslateFileName\fR
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frees the dynamic string itself so that the caller need not call
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\fBTcl_DStringFree\fR.
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.PP
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The caller is responsible for making sure that \fIinterp->result\fR
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has its default empty value when \fBTcl_TranslateFileName\fR is invoked.
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.SH "SEE ALSO"
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filename
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.SH KEYWORDS
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file name, home directory, tilde, translate, user
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