From 667a4aad934603ef865cba2b5b15f4c5687dc0c4 Mon Sep 17 00:00:00 2001 From: vincentdarley Date: Mon, 6 Oct 2003 09:49:19 +0000 Subject: filesystem bug fixes: volumerelative normalization, file join inconsistency --- ChangeLog | 6 ++++ generic/tclFileName.c | 5 +-- generic/tclIOUtil.c | 92 ++++++++++++++++++++++++++++++++------------------- tests/fileName.test | 19 ++++++++++- 4 files changed, 85 insertions(+), 37 deletions(-) diff --git a/ChangeLog b/ChangeLog index 71beb68..460690c 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2003-10-06 Vince Darley + + * generic/tclFileName.c: + * generic/tclIOUtil.c: backport of volumerelative file normalization + and 'file join' inconsistency fixes [Bug 767834, 813273]. + 2003-10-04 Chengye Mao * win/tclWinPipe.c: fixed a bug in BuildCommandLine. diff --git a/generic/tclFileName.c b/generic/tclFileName.c index be689af..6d7a41c 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 1.40.2.4 2003/10/03 17:45:37 vincentdarley Exp $ + * RCS: @(#) $Id: tclFileName.c,v 1.40.2.5 2003/10/06 09:49:19 vincentdarley Exp $ */ #include "tclInt.h" @@ -1392,7 +1392,8 @@ Tcl_TranslateFileName(interp, name, bufferPtr) Tcl_DStringInit(bufferPtr); Tcl_DStringAppend(bufferPtr, Tcl_GetString(transPtr), -1); Tcl_DecrRefCount(path); - + Tcl_DecrRefCount(transPtr); + /* * Convert forward slashes to backslashes in Windows paths because * some system interfaces don't accept forward slashes. diff --git a/generic/tclIOUtil.c b/generic/tclIOUtil.c index c59348a..8de62f1 100644 --- a/generic/tclIOUtil.c +++ b/generic/tclIOUtil.c @@ -17,7 +17,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclIOUtil.c,v 1.77.2.9 2003/10/03 17:45:37 vincentdarley Exp $ + * RCS: @(#) $Id: tclIOUtil.c,v 1.77.2.10 2003/10/06 09:49:20 vincentdarley Exp $ */ #include "tclInt.h" @@ -4515,25 +4515,34 @@ Tcl_FSJoinPath(listObj, elements) } } - if (elements == 2) { - /* - * This is a special case where we can be much more - * efficient - */ - Tcl_Obj *base; + res = Tcl_NewObj(); + + for (i = 0; i < elements; i++) { + Tcl_Obj *elt; + int driveNameLength; + Tcl_PathType type; + char *strElt; + int strEltLen; + int length; + char *ptr; + Tcl_Obj *driveName = NULL; + + Tcl_ListObjIndex(NULL, listObj, i, &elt); - Tcl_ListObjIndex(NULL, listObj, 0, &base); /* - * There is only any value in doing this if the first object is - * of path type, otherwise we'll never actually get any - * efficiency benefit elsewhere in the code (from re-using the - * normalized representation of the base object). + * This is a special case where we can be much more + * efficient, where we are joining a single relative path + * onto an object that is already of path type. The + * 'TclNewFSPathObj' call below creates an object which + * can be normalized more efficiently. Currently we only + * use the special case when we have exactly two elements, + * but we could expand that in the future. */ - if (base->typePtr == &tclFsPathType - && !(base->bytes != NULL && base->bytes[0] == '\0')) { + if ((i == (elements-2)) && (i == 0) && (elt->typePtr == &tclFsPathType) + && !(elt->bytes != NULL && (elt->bytes[0] == '\0'))) { Tcl_Obj *tail; Tcl_PathType type; - Tcl_ListObjIndex(NULL, listObj, 1, &tail); + Tcl_ListObjIndex(NULL, listObj, i+1, &tail); type = GetPathType(tail, NULL, NULL, NULL); if (type == TCL_PATH_RELATIVE) { CONST char *str; @@ -4545,10 +4554,22 @@ Tcl_FSJoinPath(listObj, elements) * '/'. There's no need to return a special path * object, when the base itself is just fine! */ - return base; + Tcl_DecrRefCount(res); + return elt; } - if (str[0] != '.') { - return TclNewFSPathObj(base, str, len); + /* + * If it doesn't begin with '.' and is a mac or unix + * path or it a windows path without backslashes, then we + * can be very efficient here. (In fact even a windows + * path with backslashes can be joined efficiently, but + * the path object would not have forward slashes only, + * and this would therefore contradict our 'file join' + * documentation). + */ + if (str[0] != '.' && ((tclPlatform != TCL_PLATFORM_WINDOWS) + || (strchr(str, '\\') == NULL))) { + Tcl_DecrRefCount(res); + return TclNewFSPathObj(elt, str, len); } /* * Otherwise we don't have an easy join, and @@ -4556,24 +4577,27 @@ Tcl_FSJoinPath(listObj, elements) * things */ } else { - return tail; + if (tclPlatform == TCL_PLATFORM_UNIX) { + Tcl_DecrRefCount(res); + return tail; + } else { + CONST char *str; + int len; + str = Tcl_GetStringFromObj(tail,&len); + if (tclPlatform == TCL_PLATFORM_WINDOWS) { + if (strchr(str, '\\') == NULL) { + Tcl_DecrRefCount(res); + return tail; + } + } else if (tclPlatform == TCL_PLATFORM_MAC) { + if (strchr(str, '/') == NULL) { + Tcl_DecrRefCount(res); + return tail; + } + } + } } } - } - - res = Tcl_NewObj(); - - for (i = 0; i < elements; i++) { - Tcl_Obj *elt; - int driveNameLength; - Tcl_PathType type; - char *strElt; - int strEltLen; - int length; - char *ptr; - Tcl_Obj *driveName = NULL; - - Tcl_ListObjIndex(NULL, listObj, i, &elt); strElt = Tcl_GetStringFromObj(elt, &strEltLen); type = GetPathType(elt, &fsPtr, &driveNameLength, &driveName); if (type != TCL_PATH_RELATIVE) { diff --git a/tests/fileName.test b/tests/fileName.test index e858caa..830618b 100644 --- a/tests/fileName.test +++ b/tests/fileName.test @@ -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: fileName.test,v 1.30.2.2 2003/10/03 17:25:22 vincentdarley Exp $ +# RCS: @(#) $Id: fileName.test,v 1.30.2.3 2003/10/06 09:49:20 vincentdarley Exp $ if {[lsearch [namespace children] ::tcltest] == -1} { package require tcltest @@ -903,6 +903,23 @@ test filename-9.19 {Tcl_JoinPath: win} {testsetplatform} { [file join C:/blah {C:\foo\bar}] \ [file join C:/blah C:/blah {C:\foo\bar}] } {C:/foo/bar C:/foo/bar C:/foo/bar} +test filename-9.19.1 {Tcl_JoinPath: win} {testsetplatform} { + testsetplatform win + set res {} + lappend res \ + [file join {foo\bar}] \ + [file join C:/blah {foo\bar}] \ + [file join C:/blah C:/blah {foo\bar}] +} {foo/bar C:/blah/foo/bar C:/blah/foo/bar} +test filename-9.19.2 {Tcl_JoinPath: win} {testsetplatform winOnly} { + testsetplatform win + set res {} + lappend res \ + [file join {foo\bar}] \ + [file join [pwd] {foo\bar}] \ + [file join [pwd] [pwd] {foo\bar}] + string map [list [pwd] pwd] $res +} {foo/bar pwd/foo/bar pwd/foo/bar} test filename-9.20 {Tcl_JoinPath: unix} {testsetplatform} { testsetplatform unix set res {} -- cgit v0.12