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authorpatthoyts <patthoyts@users.sourceforge.net>2007-02-20 15:36:41 (GMT)
committerpatthoyts <patthoyts@users.sourceforge.net>2007-02-20 15:36:41 (GMT)
commita9ae76396604ebf325b996ace4452852d4f2bc35 (patch)
treecac9764bb901f3425c555fce169cd28b4fbaeb2e /generic/tclFileName.c
parentb0f20f7621b7a266aa45d3f289e913e510986ce1 (diff)
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Bug #1479814. Handle extended paths on Windows NT and above.
Diffstat (limited to 'generic/tclFileName.c')
-rw-r--r--generic/tclFileName.c52
1 files changed, 47 insertions, 5 deletions
diff --git a/generic/tclFileName.c b/generic/tclFileName.c
index 590c180..0e2fd20 100644
--- a/generic/tclFileName.c
+++ b/generic/tclFileName.c
@@ -10,7 +10,7 @@
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tclFileName.c,v 1.76 2006/09/27 13:49:06 msofer Exp $
+ * RCS: @(#) $Id: tclFileName.c,v 1.77 2007/02/20 15:36:46 patthoyts Exp $
*/
#include "tclInt.h"
@@ -43,6 +43,33 @@ static int DoGlob(Tcl_Interp *interp, Tcl_Obj *resultPtr,
/*
*----------------------------------------------------------------------
*
+ * SetResultLength --
+ *
+ * Resets the result DString for ExtractWinRoot to accommodate
+ * any NT extended path prefixes.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * May modify the Tcl_DString.
+ *----------------------------------------------------------------------
+ */
+
+static void
+SetResultLength(Tcl_DString *resultPtr, int offset, int extended)
+{
+ Tcl_DStringSetLength(resultPtr, offset);
+ if (extended == 2) {
+ Tcl_DStringAppend(resultPtr, "//?/UNC/", 8);
+ } else if (extended == 1) {
+ Tcl_DStringAppend(resultPtr, "//?/", 4);
+ }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
* ExtractWinRoot --
*
* Matches the root portion of a Windows path and appends it to the
@@ -67,6 +94,21 @@ ExtractWinRoot(
* stored. */
Tcl_PathType *typePtr) /* Where to store pathType result */
{
+ int extended = 0;
+
+ if ( (path[0] == '/' || path[0] == '\\')
+ && (path[1] == '/' || path[1] == '\\')
+ && (path[2] == '?')
+ && (path[3] == '/' || path[3] == '\\')) {
+ extended = 1;
+ path = path + 4;
+ if (path[0] == 'U' && path[1] == 'N' && path[2] == 'C'
+ && (path[3] == '/' || path[3] == '\\')) {
+ extended = 2;
+ path = path + 4;
+ }
+ }
+
if (path[0] == '/' || path[0] == '\\') {
/*
* Might be a UNC or Vol-Relative path.
@@ -76,7 +118,7 @@ ExtractWinRoot(
int hlen, slen;
if (path[1] != '/' && path[1] != '\\') {
- Tcl_DStringSetLength(resultPtr, offset);
+ SetResultLength(resultPtr, offset, extended);
*typePtr = TCL_PATH_VOLUME_RELATIVE;
Tcl_DStringAppend(resultPtr, "/", 1);
return &path[1];
@@ -111,7 +153,7 @@ ExtractWinRoot(
Tcl_DStringAppend(resultPtr, "/", 1);
return &path[2];
}
- Tcl_DStringSetLength(resultPtr, offset);
+ SetResultLength(resultPtr, offset, extended);
share = &host[hlen];
/*
@@ -149,7 +191,7 @@ ExtractWinRoot(
* Might be a drive separator.
*/
- Tcl_DStringSetLength(resultPtr, offset);
+ SetResultLength(resultPtr, offset, extended);
if (path[2] != '/' && path[2] != '\\') {
*typePtr = TCL_PATH_VOLUME_RELATIVE;
@@ -248,7 +290,7 @@ ExtractWinRoot(
if (abs != 0) {
*typePtr = TCL_PATH_ABSOLUTE;
- Tcl_DStringSetLength(resultPtr, offset);
+ SetResultLength(resultPtr, offset, extended);
Tcl_DStringAppend(resultPtr, path, abs);
return path + abs;
}