Tcl_TranslateFileName(3) Tcl Library Procedures Tcl_TranslateFileName(3) ________________________________________________________________________________ NAME Tcl_TranslateFileName - convert file name to native form SYNOPSIS #include <tcl.h> char * Tcl_TranslateFileName(interp, name, bufferPtr) ARGUMENTS Tcl_Interp *interp (in) Interpreter in which to report an er- ror, if any. const char *name (in) File name Tcl_DString *bufferPtr (in/out) If needed, this dynamic string is used to store the new file name. At the time of the call it should be unini- tialized or free. The caller must eventually call Tcl_DStringFree to free up anything stored here. ________________________________________________________________________________ DESCRIPTION This utility procedure translates a file name to a platform-specific form which, after being converted to the appropriate encoding, is suitable for passing to the local operating system. In particular, it converts network names into native form. However, with the advent of the newer Tcl_FSGetNormalizedPath and Tcl_FS- GetNativePath, there is no longer any need to use this procedure. In par- ticular, Tcl_FSGetNativePath performs all the necessary translation and en- coding conversion, is virtual-filesystem aware, and caches the native re- sult for faster repeated calls. Finally Tcl_FSGetNativePath does not re- quire you to free anything afterwards. If Tcl_TranslateFileName has to translate the name then it uses the dynamic string at *bufferPtr to hold the new string it generates. After Tcl_Trans- lateFileName returns a non-NULL result, the caller must eventually invoke Tcl_DStringFree to free any information placed in *bufferPtr. The caller need not know whether or not Tcl_TranslateFileName actually used the string; Tcl_TranslateFileName initializes *bufferPtr even if it does not use it, so the call to Tcl_DStringFree will be safe in either case. If an error occurs (e.g. because there was no user by the given name) then NULL is returned and an error message will be left in the interpreter's re- sult. When an error occurs, Tcl_TranslateFileName frees the dynamic string itself so that the caller need not call Tcl_DStringFree. The caller is responsible for making sure that the interpreter's result has its default empty value when Tcl_TranslateFileName is invoked. SEE ALSO filename(n) KEYWORDS file name, home directory, translate, user Tcl 8.1 Tcl_TranslateFileName(3)
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