diff options
Diffstat (limited to 'win/tclWinFile.c')
| -rw-r--r-- | win/tclWinFile.c | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/win/tclWinFile.c b/win/tclWinFile.c index 1a689ac..d7c02c7 100644 --- a/win/tclWinFile.c +++ b/win/tclWinFile.c @@ -11,7 +11,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclWinFile.c,v 1.7 1999/12/12 22:46:51 hobbs Exp $ + * RCS: @(#) $Id: tclWinFile.c,v 1.8 2000/10/21 00:43:02 hobbs Exp $ */ #include "tclWinInt.h" @@ -326,13 +326,20 @@ TclpMatchFilesTypes( fname = Tcl_DStringValue(dirPtr); nativeName = Tcl_WinUtfToTChar(fname, Tcl_DStringLength(dirPtr), &ds); - attr = (*tclWinProcs->getFileAttributesProc)(nativeName); - Tcl_DStringFree(&ds); + + /* + * 'attr' represents the attributes of the file, but we only + * want to retrieve this info if it is absolutely necessary + * because it is an expensive call. + */ + + attr = NULL; if (tail == NULL) { int typeOk = 1; if (types != NULL) { if (types->perm != 0) { + attr = (*tclWinProcs->getFileAttributesProc)(nativeName); if ( ((types->perm & TCL_GLOB_PERM_RONLY) && !(attr & FILE_ATTRIBUTE_READONLY)) || @@ -389,13 +396,22 @@ TclpMatchFilesTypes( Tcl_ListObjAppendElement(interp, resultPtr, Tcl_NewStringObj(fname, Tcl_DStringLength(dirPtr))); } - } else if (attr & FILE_ATTRIBUTE_DIRECTORY) { - Tcl_DStringAppend(dirPtr, "/", 1); - result = TclDoGlob(interp, separators, dirPtr, tail, types); - if (result != TCL_OK) { - break; + } else { + attr = (*tclWinProcs->getFileAttributesProc)(nativeName); + if (attr & FILE_ATTRIBUTE_DIRECTORY) { + Tcl_DStringAppend(dirPtr, "/", 1); + result = TclDoGlob(interp, separators, dirPtr, tail, types); + if (result != TCL_OK) { + break; + } } } + /* + * Free ds here to ensure that nativeName is valid above. + */ + + Tcl_DStringFree(&ds); + Tcl_DStringSetLength(dirPtr, dirLength); } |