summaryrefslogtreecommitdiffstats
path: root/generic/tclPathObj.c
diff options
context:
space:
mode:
Diffstat (limited to 'generic/tclPathObj.c')
-rw-r--r--generic/tclPathObj.c452
1 files changed, 260 insertions, 192 deletions
diff --git a/generic/tclPathObj.c b/generic/tclPathObj.c
index 0053041..95c57bf 100644
--- a/generic/tclPathObj.c
+++ b/generic/tclPathObj.c
@@ -35,7 +35,7 @@ static int MakePathFromNormalized(Tcl_Interp *interp,
* internally.
*/
-static const Tcl_ObjType tclFsPathType = {
+static Tcl_ObjType tclFsPathType = {
"path", /* name */
FreeFsPathInternalRep, /* freeIntRepProc */
DupFsPathInternalRep, /* dupIntRepProc */
@@ -94,7 +94,7 @@ typedef struct FsPath {
* generated during the correct filesystem
* epoch. The epoch changes when
* filesystem-mounts are changed. */
- const Tcl_Filesystem *fsPtr;/* The Tcl_Filesystem that claims this path */
+ Tcl_Filesystem *fsPtr; /* The Tcl_Filesystem that claims this path */
} FsPath;
/*
@@ -231,7 +231,7 @@ TclFSNormalizeAbsolutePath(
retVal = Tcl_NewStringObj(path, dirSep - path);
Tcl_IncrRefCount(retVal);
}
- TclGetStringFromObj(retVal, &curLen);
+ (void) Tcl_GetStringFromObj(retVal, &curLen);
if (curLen == 0) {
Tcl_AppendToObj(retVal, dirSep, 1);
}
@@ -243,7 +243,7 @@ TclFSNormalizeAbsolutePath(
continue;
}
if (dirSep[2] == '.' && IsSeparatorOrNull(dirSep[3])) {
- Tcl_Obj *linkObj;
+ Tcl_Obj *link;
int curLen;
char *linkStr;
@@ -257,12 +257,12 @@ TclFSNormalizeAbsolutePath(
retVal = Tcl_NewStringObj(path, dirSep - path);
Tcl_IncrRefCount(retVal);
}
- TclGetStringFromObj(retVal, &curLen);
+ (void) Tcl_GetStringFromObj(retVal, &curLen);
if (curLen == 0) {
Tcl_AppendToObj(retVal, dirSep, 1);
}
if (!first || (tclPlatform == TCL_PLATFORM_UNIX)) {
- linkObj = Tcl_FSLink(retVal, NULL, 0);
+ link = Tcl_FSLink(retVal, NULL, 0);
/* Safety check in case driver caused sharing */
if (Tcl_IsShared(retVal)) {
@@ -271,16 +271,15 @@ TclFSNormalizeAbsolutePath(
Tcl_IncrRefCount(retVal);
}
- if (linkObj != NULL) {
+ if (link != NULL) {
/*
* Got a link. Need to check if the link is relative
* or absolute, for those platforms where relative
* links exist.
*/
- if (tclPlatform != TCL_PLATFORM_WINDOWS
- && Tcl_FSGetPathType(linkObj)
- == TCL_PATH_RELATIVE) {
+ if (tclPlatform != TCL_PLATFORM_WINDOWS &&
+ Tcl_FSGetPathType(link) == TCL_PATH_RELATIVE) {
/*
* We need to follow this link which is relative
* to retVal's directory. This means concatenating
@@ -288,7 +287,7 @@ TclFSNormalizeAbsolutePath(
*/
const char *path =
- TclGetStringFromObj(retVal, &curLen);
+ Tcl_GetStringFromObj(retVal, &curLen);
while (--curLen >= 0) {
if (IsSeparatorOrNull(path[curLen])) {
@@ -301,22 +300,22 @@ TclFSNormalizeAbsolutePath(
*/
Tcl_SetObjLength(retVal, curLen+1);
- Tcl_AppendObjToObj(retVal, linkObj);
- TclDecrRefCount(linkObj);
- linkStr = TclGetStringFromObj(retVal, &curLen);
+ Tcl_AppendObjToObj(retVal, link);
+ TclDecrRefCount(link);
+ linkStr = Tcl_GetStringFromObj(retVal, &curLen);
} else {
/*
* Absolute link.
*/
TclDecrRefCount(retVal);
- if (Tcl_IsShared(linkObj)) {
- retVal = Tcl_DuplicateObj(linkObj);
- TclDecrRefCount(linkObj);
+ if (Tcl_IsShared(link)) {
+ retVal = Tcl_DuplicateObj(link);
+ TclDecrRefCount(link);
} else {
- retVal = linkObj;
+ retVal = link;
}
- linkStr = TclGetStringFromObj(retVal, &curLen);
+ linkStr = Tcl_GetStringFromObj(retVal, &curLen);
/*
* Convert to forward-slashes on windows.
@@ -333,12 +332,12 @@ TclFSNormalizeAbsolutePath(
}
}
} else {
- linkStr = TclGetStringFromObj(retVal, &curLen);
+ linkStr = Tcl_GetStringFromObj(retVal, &curLen);
}
/*
- * Either way, we now remove the last path element (but
- * not the first character of the path).
+ * Either way, we now remove the last path element.
+ * (but not the first character of the path)
*/
while (--curLen >= 0) {
@@ -399,12 +398,12 @@ TclFSNormalizeAbsolutePath(
}
/*
- * Ensure a windows drive like C:/ has a trailing separator.
+ * Ensure a windows drive like C:/ has a trailing separator
*/
if (tclPlatform == TCL_PLATFORM_WINDOWS) {
int len;
- const char *path = TclGetStringFromObj(retVal, &len);
+ const char *path = Tcl_GetStringFromObj(retVal, &len);
if (len == 2 && path[0] != 0 && path[1] == ':') {
if (Tcl_IsShared(retVal)) {
@@ -494,7 +493,7 @@ Tcl_FSGetPathType(
Tcl_PathType
TclFSGetPathType(
Tcl_Obj *pathPtr,
- const Tcl_Filesystem **filesystemPtrPtr,
+ Tcl_Filesystem **filesystemPtrPtr,
int *driveNameLengthPtr)
{
FsPath *fsPathPtr;
@@ -512,7 +511,7 @@ TclFSGetPathType(
if (PATHFLAGS(pathPtr) == 0) {
/* The path is not absolute... */
-#ifdef _WIN32
+#ifdef __WIN32__
/* ... on Windows we must make another call to determine whether
* it's relative or volumerelative [Bug 2571597]. */
return TclGetPathType(pathPtr, filesystemPtrPtr, driveNameLengthPtr,
@@ -579,7 +578,7 @@ TclPathPart(
int numBytes;
const char *rest =
- TclGetStringFromObj(fsPathPtr->normPathPtr, &numBytes);
+ Tcl_GetStringFromObj(fsPathPtr->normPathPtr, &numBytes);
if (strchr(rest, '/') != NULL) {
goto standardPath;
@@ -617,7 +616,7 @@ TclPathPart(
int numBytes;
const char *rest =
- TclGetStringFromObj(fsPathPtr->normPathPtr, &numBytes);
+ Tcl_GetStringFromObj(fsPathPtr->normPathPtr, &numBytes);
if (strchr(rest, '/') != NULL) {
goto standardPath;
@@ -646,7 +645,7 @@ TclPathPart(
const char *fileName, *extension;
int length;
- fileName = TclGetStringFromObj(fsPathPtr->normPathPtr,
+ fileName = Tcl_GetStringFromObj(fsPathPtr->normPathPtr,
&length);
extension = TclGetExtension(fileName);
if (extension == NULL) {
@@ -698,7 +697,7 @@ TclPathPart(
int length;
const char *fileName, *extension;
- fileName = TclGetStringFromObj(pathPtr, &length);
+ fileName = Tcl_GetStringFromObj(pathPtr, &length);
extension = TclGetExtension(fileName);
if (extension == NULL) {
Tcl_IncrRefCount(pathPtr);
@@ -828,39 +827,44 @@ Tcl_FSJoinPath(
* reference count. */
int elements) /* Number of elements to use (-1 = all) */
{
- Tcl_Obj *copy, *res;
- int objc;
- Tcl_Obj **objv;
+ Tcl_Obj *res;
+ int i;
+ Tcl_Filesystem *fsPtr = NULL;
- if (Tcl_ListObjLength(NULL, listObj, &objc) != TCL_OK) {
- return NULL;
- }
+ if (elements < 0) {
+ if (Tcl_ListObjLength(NULL, listObj, &elements) != TCL_OK) {
+ return NULL;
+ }
+ } else {
+ /*
+ * Just make sure it is a valid list.
+ */
- elements = ((elements >= 0) && (elements <= objc)) ? elements : objc;
- copy = TclListObjCopy(NULL, listObj);
- Tcl_ListObjGetElements(NULL, listObj, &objc, &objv);
- res = TclJoinPath(elements, objv);
- Tcl_DecrRefCount(copy);
- return res;
-}
+ int listTest;
-Tcl_Obj *
-TclJoinPath(
- int elements,
- Tcl_Obj * const objv[])
-{
- Tcl_Obj *res;
- int i;
- const Tcl_Filesystem *fsPtr = NULL;
+ if (Tcl_ListObjLength(NULL, listObj, &listTest) != TCL_OK) {
+ return NULL;
+ }
+
+ /*
+ * Correct this if it is too large, otherwise we will waste our time
+ * joining null elements to the path.
+ */
+
+ if (elements > listTest) {
+ elements = listTest;
+ }
+ }
res = NULL;
for (i = 0; i < elements; i++) {
+ Tcl_Obj *elt, *driveName = NULL;
int driveNameLength, strEltLen, length;
Tcl_PathType type;
char *strElt, *ptr;
- Tcl_Obj *driveName = NULL;
- Tcl_Obj *elt = objv[i];
+
+ Tcl_ListObjIndex(NULL, listObj, i, &elt);
/*
* This is a special case where we can be much more efficient, where
@@ -869,23 +873,19 @@ TclJoinPath(
* 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.
- *
- * Bugfix [a47641a0]. TclNewFSPathObj requires first argument
- * to be an absolute path. Added a check for that elt is absolute.
*/
- if ((i == (elements-2)) && (i == 0)
- && (elt->typePtr == &tclFsPathType)
- && !((elt->bytes != NULL) && (elt->bytes[0] == '\0'))
- && TclGetPathType(elt, NULL, NULL, NULL) == TCL_PATH_ABSOLUTE) {
- Tcl_Obj *tailObj = objv[i+1];
+ if ((i == (elements-2)) && (i == 0) && (elt->typePtr == &tclFsPathType)
+ && !(elt->bytes != NULL && (elt->bytes[0] == '\0'))) {
+ Tcl_Obj *tail;
- type = TclGetPathType(tailObj, NULL, NULL, NULL);
+ Tcl_ListObjIndex(NULL, listObj, i+1, &tail);
+ type = TclGetPathType(tail, NULL, NULL, NULL);
if (type == TCL_PATH_RELATIVE) {
const char *str;
int len;
- str = TclGetStringFromObj(tailObj, &len);
+ str = Tcl_GetStringFromObj(tail, &len);
if (len == 0) {
/*
* This happens if we try to handle the root volume '/'.
@@ -933,21 +933,21 @@ TclJoinPath(
if (res != NULL) {
TclDecrRefCount(res);
}
- return tailObj;
+ return tail;
} else {
- const char *str = TclGetString(tailObj);
+ const char *str = TclGetString(tail);
if (tclPlatform == TCL_PLATFORM_WINDOWS) {
if (strchr(str, '\\') == NULL) {
if (res != NULL) {
TclDecrRefCount(res);
}
- return tailObj;
+ return tail;
}
}
}
}
- strElt = TclGetStringFromObj(elt, &strEltLen);
+ strElt = Tcl_GetStringFromObj(elt, &strEltLen);
type = TclGetPathType(elt, &fsPtr, &driveNameLength, &driveName);
if (type != TCL_PATH_RELATIVE) {
/*
@@ -1019,8 +1019,8 @@ TclJoinPath(
}
/*
- * This element is just what we want to return already; no further
- * manipulation is requred.
+ * This element is just what we want to return already - no
+ * further manipulation is requred.
*/
return elt;
@@ -1034,9 +1034,9 @@ TclJoinPath(
noQuickReturn:
if (res == NULL) {
res = Tcl_NewObj();
- ptr = TclGetStringFromObj(res, &length);
+ ptr = Tcl_GetStringFromObj(res, &length);
} else {
- ptr = TclGetStringFromObj(res, &length);
+ ptr = Tcl_GetStringFromObj(res, &length);
}
/*
@@ -1066,7 +1066,7 @@ TclJoinPath(
int needsSep = 0;
if (fsPtr->filesystemSeparatorProc != NULL) {
- Tcl_Obj *sep = fsPtr->filesystemSeparatorProc(res);
+ Tcl_Obj *sep = (*fsPtr->filesystemSeparatorProc)(res);
if (sep != NULL) {
separator = TclGetString(sep)[0];
@@ -1081,7 +1081,7 @@ TclJoinPath(
if (length > 0 && ptr[length -1] != '/') {
Tcl_AppendToObj(res, &separator, 1);
- TclGetStringFromObj(res, &length);
+ Tcl_GetStringFromObj(res, &length);
}
Tcl_SetObjLength(res, length + (int) strlen(strElt));
@@ -1160,7 +1160,7 @@ Tcl_FSConvertToPathType(
FreeFsPathInternalRep(pathPtr);
}
- return SetFsPathFromAny(interp, pathPtr);
+ return Tcl_ConvertToType(interp, pathPtr, &tclFsPathType);
/*
* We used to have more complex code here:
@@ -1296,7 +1296,7 @@ TclNewFSPathObj(
}
pathPtr = Tcl_NewObj();
- fsPathPtr = ckalloc(sizeof(FsPath));
+ fsPathPtr = (FsPath *) ckalloc(sizeof(FsPath));
/*
* Set up the path.
@@ -1319,41 +1319,41 @@ TclNewFSPathObj(
/*
* Look for path components made up of only "."
- * This is overly conservative analysis to keep simple. It may mark some
- * things as needing more aggressive normalization that don't actually
- * need it. No harm done.
+ * This is overly conservative analysis to keep simple. It may
+ * mark some things as needing more aggressive normalization
+ * that don't actually need it. No harm done.
*/
for (p = addStrRep; len > 0; p++, len--) {
- switch (state) {
- case 0: /* So far only "." since last dirsep or start */
- switch (*p) {
- case '.':
- count++;
- break;
- case '/':
- case '\\':
- case ':':
- if (count) {
- PATHFLAGS(pathPtr) |= TCLPATH_NEEDNORM;
- len = 0;
- }
- break;
- default:
- count = 0;
- state = 1;
- }
- case 1: /* Scanning for next dirsep */
- switch (*p) {
- case '/':
- case '\\':
- case ':':
- state = 0;
- break;
- }
- }
+ switch (state) {
+ case 0: /* So far only "." since last dirsep or start */
+ switch (*p) {
+ case '.':
+ count++;
+ break;
+ case '/':
+ case '\\':
+ case ':':
+ if (count) {
+ PATHFLAGS(pathPtr) |= TCLPATH_NEEDNORM;
+ len = 0;
+ }
+ break;
+ default:
+ count = 0;
+ state = 1;
+ }
+ case 1: /* Scanning for next dirsep */
+ switch (*p) {
+ case '/':
+ case '\\':
+ case ':':
+ state = 0;
+ break;
+ }
+ }
}
if (len == 0 && count) {
- PATHFLAGS(pathPtr) |= TCLPATH_NEEDNORM;
+ PATHFLAGS(pathPtr) |= TCLPATH_NEEDNORM;
}
return pathPtr;
@@ -1374,9 +1374,9 @@ AppendPath(
* of no evidence that such a foolish thing exists. This solution was
* chosen so that "JoinPath" operations that pass through either path
* intrep produce the same results; that is, bugward compatibility. If
- * we need to fix that bug here, it needs fixing in TclJoinPath() too.
+ * we need to fix that bug here, it needs fixing in Tcl_FSJoinPath() too.
*/
- bytes = TclGetStringFromObj(tail, &numBytes);
+ bytes = Tcl_GetStringFromObj(tail, &numBytes);
if (numBytes == 0) {
Tcl_AppendToObj(copy, "/", 1);
} else {
@@ -1419,8 +1419,72 @@ TclFSMakePathRelative(
if (pathPtr->typePtr == &tclFsPathType) {
FsPath *fsPathPtr = PATHOBJ(pathPtr);
- if (PATHFLAGS(pathPtr) != 0 && fsPathPtr->cwdPtr == cwdPtr) {
- return fsPathPtr->normPathPtr;
+ if (PATHFLAGS(pathPtr) != 0
+ && fsPathPtr->cwdPtr == cwdPtr) {
+ pathPtr = fsPathPtr->normPathPtr;
+
+ /* TODO: Determine how much, if any, of this forcing
+ * the relative path tail into the "path" Tcl_ObjType
+ * with a recorded cwdPtr context has any actual value.
+ *
+ * Nothing is getting cached. Not normPathPtr, not nativePathPtr,
+ * nor fsPtr, so storing the cwdPtr context against which such
+ * cached values might later be validated appears to be of no
+ * value. Take that away, and all this code is just a mildly
+ * optimized equivalent of a call to SetFsPathFromAny(). That
+ * optimization may have some value, *if* these value in fact
+ * get used as "path" values before used as something else.
+ * If not, though, whatever cost we pay below to convert to
+ * one of the "path" intreps is just a waste, it seems. The
+ * usual convention in the core is to delay ObjType conversion
+ * until it is needed and demanded, and I don't see why this
+ * section of code should be an exception to that. Leaving it
+ * in place for the rest of the 8.5.* releases just for sake
+ * of stability.
+ */
+
+ /*
+ * Free old representation.
+ */
+
+ if (pathPtr->typePtr != NULL) {
+ if (pathPtr->bytes == NULL) {
+ if (pathPtr->typePtr->updateStringProc == NULL) {
+ if (interp != NULL) {
+ Tcl_ResetResult(interp);
+ Tcl_AppendResult(interp, "can't find object"
+ "string representation", NULL);
+ }
+ return NULL;
+ }
+ pathPtr->typePtr->updateStringProc(pathPtr);
+ }
+ TclFreeIntRep(pathPtr);
+ }
+
+ /*
+ * Now pathPtr is a string object.
+ */
+
+ fsPathPtr = (FsPath *) ckalloc(sizeof(FsPath));
+
+ /*
+ * Circular reference, by design.
+ */
+
+ fsPathPtr->translatedPathPtr = pathPtr;
+ fsPathPtr->normPathPtr = NULL;
+ fsPathPtr->cwdPtr = cwdPtr;
+ Tcl_IncrRefCount(cwdPtr);
+ fsPathPtr->nativePathPtr = NULL;
+ fsPathPtr->fsPtr = NULL;
+ fsPathPtr->filesystemEpoch = 0;
+
+ SETPATHOBJ(pathPtr, fsPathPtr);
+ PATHFLAGS(pathPtr) = 0;
+ pathPtr->typePtr = &tclFsPathType;
+
+ return pathPtr;
}
}
@@ -1435,7 +1499,7 @@ TclFSMakePathRelative(
* too little below, leading to wrong answers returned by glob.
*/
- tempStr = TclGetStringFromObj(cwdPtr, &cwdLen);
+ tempStr = Tcl_GetStringFromObj(cwdPtr, &cwdLen);
/*
* Should we perhaps use 'Tcl_FSPathSeparator'? But then what about the
@@ -1455,7 +1519,7 @@ TclFSMakePathRelative(
}
break;
}
- tempStr = TclGetStringFromObj(pathPtr, &len);
+ tempStr = Tcl_GetStringFromObj(pathPtr, &len);
return Tcl_NewStringObj(tempStr + cwdLen, len - cwdLen);
}
@@ -1496,10 +1560,9 @@ MakePathFromNormalized(
if (pathPtr->bytes == NULL) {
if (pathPtr->typePtr->updateStringProc == NULL) {
if (interp != NULL) {
- Tcl_SetObjResult(interp, Tcl_NewStringObj(
- "can't find object string representation", -1));
- Tcl_SetErrorCode(interp, "TCL", "VALUE", "PATH", "WTF",
- NULL);
+ Tcl_ResetResult(interp);
+ Tcl_AppendResult(interp, "can't find object"
+ "string representation", NULL);
}
return TCL_ERROR;
}
@@ -1508,7 +1571,7 @@ MakePathFromNormalized(
TclFreeIntRep(pathPtr);
}
- fsPathPtr = ckalloc(sizeof(FsPath));
+ fsPathPtr = (FsPath *) ckalloc(sizeof(FsPath));
/*
* It's a pure normalized absolute path.
@@ -1561,7 +1624,7 @@ MakePathFromNormalized(
Tcl_Obj *
Tcl_FSNewNativePath(
- const Tcl_Filesystem *fromFilesystem,
+ Tcl_Filesystem *fromFilesystem,
ClientData clientData)
{
Tcl_Obj *pathPtr = NULL;
@@ -1590,7 +1653,7 @@ Tcl_FSNewNativePath(
TclFreeIntRep(pathPtr);
}
- fsPathPtr = ckalloc(sizeof(FsPath));
+ fsPathPtr = (FsPath *) ckalloc(sizeof(FsPath));
fsPathPtr->translatedPathPtr = NULL;
@@ -1658,7 +1721,7 @@ Tcl_FSGetTranslatedPath(
}
retObj = Tcl_FSJoinToPath(translatedCwdPtr, 1,
- &srcFsPathPtr->normPathPtr);
+ &(srcFsPathPtr->normPathPtr));
srcFsPathPtr->translatedPathPtr = retObj;
if (translatedCwdPtr->typePtr == &tclFsPathType) {
srcFsPathPtr->filesystemEpoch
@@ -1719,8 +1782,8 @@ Tcl_FSGetTranslatedStringPath(
if (transPtr != NULL) {
int len;
- const char *orig = TclGetStringFromObj(transPtr, &len);
- char *result = ckalloc(len+1);
+ const char *orig = Tcl_GetStringFromObj(transPtr, &len);
+ char *result = (char *) ckalloc((unsigned) len+1);
memcpy(result, orig, (size_t) len+1);
TclDecrRefCount(transPtr);
@@ -1780,7 +1843,7 @@ Tcl_FSGetNormalizedPath(
UpdateStringOfFsPath(pathPtr);
}
- TclGetStringFromObj(fsPathPtr->normPathPtr, &tailLen);
+ Tcl_GetStringFromObj(fsPathPtr->normPathPtr, &tailLen);
if (tailLen) {
copy = AppendPath(dir, fsPathPtr->normPathPtr);
} else {
@@ -1793,32 +1856,32 @@ Tcl_FSGetNormalizedPath(
* We now own a reference on both 'dir' and 'copy'
*/
- (void) TclGetStringFromObj(dir, &cwdLen);
+ (void) Tcl_GetStringFromObj(dir, &cwdLen);
cwdLen += (Tcl_GetString(copy)[cwdLen] == '/');
/* Normalize the combined string. */
if (PATHFLAGS(pathPtr) & TCLPATH_NEEDNORM) {
/*
- * If the "tail" part has components (like /../) that cause the
- * combined path to need more complete normalizing, call on the
- * more powerful routine to accomplish that so we avoid [Bug
- * 2385549] ...
+ * If the "tail" part has components (like /../) that cause
+ * the combined path to need more complete normalizing,
+ * call on the more powerful routine to accomplish that so
+ * we avoid [Bug 2385549] ...
*/
Tcl_Obj *newCopy = TclFSNormalizeAbsolutePath(interp, copy);
-
Tcl_DecrRefCount(copy);
copy = newCopy;
} else {
/*
- * ... but in most cases where we join a trouble free tail to a
- * normalized head, we can more efficiently normalize the combined
- * path by passing over only the unnormalized tail portion. When
- * this is sufficient, prior developers claim this should be much
- * faster. We use 'cwdLen-1' so that we are already pointing at
- * the dir-separator that we know about. The normalization code
- * will actually start off directly after that separator.
+ * ... but in most cases where we join a trouble free tail
+ * to a normalized head, we can more efficiently normalize the
+ * combined path by passing over only the unnormalized tail
+ * portion. When this is sufficient, prior developers claim
+ * this should be much faster. We use 'cwdLen-1' so that we are
+ * already pointing at the dir-separator that we know about.
+ * The normalization code will actually start off directly
+ * after that separator.
*/
TclFSNormalizeToUniquePath(interp, copy, cwdLen-1);
@@ -1831,11 +1894,11 @@ Tcl_FSGetNormalizedPath(
/*
* NOTE: here we are (dangerously?) assuming that origDir points
- * to a Tcl_Obj with Tcl_ObjType == &tclFsPathType. The
+ * to a Tcl_Obj with Tcl_ObjType == &tclFsPathType . The
* pathType = Tcl_FSGetPathType(fsPathPtr->cwdPtr);
- * above that set the pathType value should have established that,
- * but it's far less clear on what basis we know there's been no
- * shimmering since then.
+ * above that set the pathType value should have established
+ * that, but it's far less clear on what basis we know there's
+ * been no shimmering since then.
*/
FsPath *origDirFsPathPtr = PATHOBJ(origDir);
@@ -1877,7 +1940,7 @@ Tcl_FSGetNormalizedPath(
UpdateStringOfFsPath(pathPtr);
}
FreeFsPathInternalRep(pathPtr);
- if (SetFsPathFromAny(interp, pathPtr) != TCL_OK) {
+ if (Tcl_ConvertToType(interp, pathPtr, &tclFsPathType) != TCL_OK) {
return NULL;
}
fsPathPtr = PATHOBJ(pathPtr);
@@ -1887,7 +1950,7 @@ Tcl_FSGetNormalizedPath(
copy = AppendPath(fsPathPtr->cwdPtr, pathPtr);
- (void) TclGetStringFromObj(fsPathPtr->cwdPtr, &cwdLen);
+ (void) Tcl_GetStringFromObj(fsPathPtr->cwdPtr, &cwdLen);
cwdLen += (Tcl_GetString(copy)[cwdLen] == '/');
/*
@@ -1923,11 +1986,11 @@ Tcl_FSGetNormalizedPath(
if (path[0] == '\0') {
/*
- * Special handling for the empty string value. This one is very
- * weird with [file normalize {}] => {}. (The reasoning supporting
- * this is unknown to DGP, but he fears changing it.) Attempt here
- * to keep the expectations of other parts of Tcl_Filesystem code
- * about state of the FsPath fields satisfied.
+ * Special handling for the empty string value. This one is
+ * very weird with [file normalize {}] => {}. (The reasoning
+ * supporting this is unknown to DGP, but he fears changing it.)
+ * Attempt here to keep the expectations of other parts of
+ * Tcl_Filesystem code about state of the FsPath fields satisfied.
*
* In particular, capture the cwd value and save so it can be
* stored in the cwdPtr field below.
@@ -1960,7 +2023,7 @@ Tcl_FSGetNormalizedPath(
/*
* We have a refCount on the cwd.
*/
-#ifdef _WIN32
+#ifdef __WIN32__
} else if (type == TCL_PATH_VOLUME_RELATIVE) {
/*
* Only Windows has volume-relative paths.
@@ -1973,7 +2036,7 @@ Tcl_FSGetNormalizedPath(
return NULL;
}
pureNormalized = 0;
-#endif /* _WIN32 */
+#endif /* __WIN32__ */
}
}
@@ -1990,12 +2053,8 @@ Tcl_FSGetNormalizedPath(
*/
if (pureNormalized) {
- int normPathLen, pathLen;
- const char *normPath;
-
- path = TclGetStringFromObj(pathPtr, &pathLen);
- normPath = TclGetStringFromObj(fsPathPtr->normPathPtr, &normPathLen);
- if ((pathLen == normPathLen) && !memcmp(path, normPath, pathLen)) {
+ if (!strcmp(TclGetString(fsPathPtr->normPathPtr),
+ TclGetString(pathPtr))) {
/*
* The path was already normalized. Get rid of the duplicate.
*/
@@ -2050,7 +2109,7 @@ Tcl_FSGetNormalizedPath(
ClientData
Tcl_FSGetInternalRep(
Tcl_Obj *pathPtr,
- const Tcl_Filesystem *fsPtr)
+ Tcl_Filesystem *fsPtr)
{
FsPath *srcFsPathPtr;
@@ -2123,7 +2182,7 @@ Tcl_FSGetInternalRep(
return NULL;
}
- nativePathPtr = proc(pathPtr);
+ nativePathPtr = (*proc)(pathPtr);
srcFsPathPtr = PATHOBJ(pathPtr);
srcFsPathPtr->nativePathPtr = nativePathPtr;
}
@@ -2152,7 +2211,7 @@ Tcl_FSGetInternalRep(
int
TclFSEnsureEpochOk(
Tcl_Obj *pathPtr,
- const Tcl_Filesystem **fsPtrPtr)
+ Tcl_Filesystem **fsPtrPtr)
{
FsPath *srcFsPathPtr;
@@ -2211,7 +2270,7 @@ TclFSEnsureEpochOk(
void
TclFSSetPathDetails(
Tcl_Obj *pathPtr,
- const Tcl_Filesystem *fsPtr,
+ Tcl_Filesystem *fsPtr,
ClientData clientData)
{
FsPath *srcFsPathPtr;
@@ -2254,7 +2313,7 @@ Tcl_FSEqualPaths(
Tcl_Obj *firstPtr,
Tcl_Obj *secondPtr)
{
- const char *firstStr, *secondStr;
+ char *firstStr, *secondStr;
int firstLen, secondLen, tempErrno;
if (firstPtr == secondPtr) {
@@ -2264,9 +2323,9 @@ Tcl_FSEqualPaths(
if (firstPtr == NULL || secondPtr == NULL) {
return 0;
}
- firstStr = TclGetStringFromObj(firstPtr, &firstLen);
- secondStr = TclGetStringFromObj(secondPtr, &secondLen);
- if ((firstLen == secondLen) && !memcmp(firstStr, secondStr, firstLen)) {
+ firstStr = Tcl_GetStringFromObj(firstPtr, &firstLen);
+ secondStr = Tcl_GetStringFromObj(secondPtr, &secondLen);
+ if ((firstLen == secondLen) && (strcmp(firstStr, secondStr) == 0)) {
return 1;
}
@@ -2284,9 +2343,9 @@ Tcl_FSEqualPaths(
return 0;
}
- firstStr = TclGetStringFromObj(firstPtr, &firstLen);
- secondStr = TclGetStringFromObj(secondPtr, &secondLen);
- return ((firstLen == secondLen) && !memcmp(firstStr, secondStr, firstLen));
+ firstStr = Tcl_GetStringFromObj(firstPtr, &firstLen);
+ secondStr = Tcl_GetStringFromObj(secondPtr, &secondLen);
+ return (firstLen == secondLen) && (strcmp(firstStr, secondStr) == 0);
}
/*
@@ -2337,13 +2396,14 @@ SetFsPathFromAny(
* cmdAH.test exercise most of the code).
*/
- name = TclGetStringFromObj(pathPtr, &len);
+ name = Tcl_GetStringFromObj(pathPtr, &len);
/*
* Handle tilde substitutions, if needed.
*/
if (name[0] == '~') {
+ char *expandedUser;
Tcl_DString temp;
int split;
char separator = '/';
@@ -2376,11 +2436,9 @@ SetFsPathFromAny(
dir = TclGetEnv("HOME", &dirString);
if (dir == NULL) {
if (interp) {
- Tcl_SetObjResult(interp, Tcl_NewStringObj(
- "couldn't find HOME environment variable to"
- " expand path", -1));
- Tcl_SetErrorCode(interp, "TCL", "VALUE", "PATH",
- "HOMELESS", NULL);
+ Tcl_ResetResult(interp);
+ Tcl_AppendResult(interp, "couldn't find HOME environment "
+ "variable to expand path", NULL);
}
return TCL_ERROR;
}
@@ -2395,10 +2453,9 @@ SetFsPathFromAny(
Tcl_DStringInit(&temp);
if (TclpGetUserHome(name+1, &temp) == NULL) {
if (interp != NULL) {
- Tcl_SetObjResult(interp, Tcl_ObjPrintf(
- "user \"%s\" doesn't exist", name+1));
- Tcl_SetErrorCode(interp, "TCL", "VALUE", "PATH", "NOUSER",
- NULL);
+ Tcl_ResetResult(interp);
+ Tcl_AppendResult(interp, "user \"", name+1,
+ "\" doesn't exist", NULL);
}
Tcl_DStringFree(&temp);
if (split != len) {
@@ -2411,7 +2468,8 @@ SetFsPathFromAny(
}
}
- transPtr = TclDStringToObj(&temp);
+ expandedUser = Tcl_DStringValue(&temp);
+ transPtr = Tcl_NewStringObj(expandedUser, Tcl_DStringLength(&temp));
if (split != len) {
/*
@@ -2441,17 +2499,27 @@ SetFsPathFromAny(
}
TclDecrRefCount(parts);
} else {
- Tcl_Obj *pair[2];
+ /*
+ * Simple case. "rest" is relative path. Just join it. The
+ * "rest" object will be freed when Tcl_FSJoinToPath returns
+ * (unless something else claims a refCount on it).
+ */
+
+ Tcl_Obj *joined;
+ Tcl_Obj *rest = Tcl_NewStringObj(name+split+1, -1);
- pair[0] = transPtr;
- pair[1] = Tcl_NewStringObj(name+split+1, -1);
- transPtr = TclJoinPath(2, pair);
- Tcl_DecrRefCount(pair[0]);
- Tcl_DecrRefCount(pair[1]);
+ Tcl_IncrRefCount(transPtr);
+ joined = Tcl_FSJoinToPath(transPtr, 1, &rest);
+ TclDecrRefCount(transPtr);
+ transPtr = joined;
}
}
+ Tcl_DStringFree(&temp);
} else {
- transPtr = TclJoinPath(1, &pathPtr);
+ /* Bug 3479689: protect 0-refcount pathPth from getting freed */
+ pathPtr->refCount++;
+ transPtr = Tcl_FSJoinToPath(pathPtr, 0, NULL);
+ pathPtr->refCount--;
}
/*
@@ -2459,7 +2527,7 @@ SetFsPathFromAny(
* slashes on Windows, and will not contain any ~user sequences.
*/
- fsPathPtr = ckalloc(sizeof(FsPath));
+ fsPathPtr = (FsPath *) ckalloc(sizeof(FsPath));
fsPathPtr->translatedPathPtr = transPtr;
if (transPtr != pathPtr) {
@@ -2510,12 +2578,12 @@ FreeFsPathInternalRep(
fsPathPtr->fsPtr->freeInternalRepProc;
if (freeProc != NULL) {
- freeProc(fsPathPtr->nativePathPtr);
+ (*freeProc)(fsPathPtr->nativePathPtr);
fsPathPtr->nativePathPtr = NULL;
}
}
- ckfree(fsPathPtr);
+ ckfree((char *) fsPathPtr);
pathPtr->typePtr = NULL;
}
@@ -2525,7 +2593,7 @@ DupFsPathInternalRep(
Tcl_Obj *copyPtr) /* Path obj with internal rep to set. */
{
FsPath *srcFsPathPtr = PATHOBJ(srcPtr);
- FsPath *copyFsPathPtr = ckalloc(sizeof(FsPath));
+ FsPath *copyFsPathPtr = (FsPath *) ckalloc(sizeof(FsPath));
SETPATHOBJ(copyPtr, copyFsPathPtr);
@@ -2563,7 +2631,7 @@ DupFsPathInternalRep(
if (dupProc != NULL) {
copyFsPathPtr->nativePathPtr =
- dupProc(srcFsPathPtr->nativePathPtr);
+ (*dupProc)(srcFsPathPtr->nativePathPtr);
} else {
copyFsPathPtr->nativePathPtr = NULL;
}
@@ -2606,9 +2674,9 @@ UpdateStringOfFsPath(
copy = AppendPath(fsPathPtr->cwdPtr, fsPathPtr->normPathPtr);
- pathPtr->bytes = TclGetStringFromObj(copy, &cwdLen);
+ pathPtr->bytes = Tcl_GetStringFromObj(copy, &cwdLen);
pathPtr->length = cwdLen;
- copy->bytes = &tclEmptyString;
+ copy->bytes = tclEmptyStringRep;
copy->length = 0;
TclDecrRefCount(copy);
}
@@ -2667,7 +2735,7 @@ TclNativePathInFilesystem(
int len;
- (void) TclGetStringFromObj(pathPtr, &len);
+ (void) Tcl_GetStringFromObj(pathPtr, &len);
if (len == 0) {
/*
* We reject the empty path "".