diff options
Diffstat (limited to 'generic/tclPathObj.c')
-rw-r--r-- | generic/tclPathObj.c | 176 |
1 files changed, 62 insertions, 114 deletions
diff --git a/generic/tclPathObj.c b/generic/tclPathObj.c index ba07808..db07c0e 100644 --- a/generic/tclPathObj.c +++ b/generic/tclPathObj.c @@ -27,6 +27,8 @@ static int SetFsPathFromAny(Tcl_Interp *interp, Tcl_Obj *pathPtr); static int FindSplitPos(const char *path, int separator); static int IsSeparatorOrNull(int ch); static Tcl_Obj * GetExtension(Tcl_Obj *pathPtr); +static int MakePathFromNormalized(Tcl_Interp *interp, + Tcl_Obj *pathPtr); /* * Define the 'path' object type, which Tcl uses to represent file paths @@ -92,9 +94,7 @@ typedef struct FsPath { * generated during the correct filesystem * epoch. The epoch changes when * filesystem-mounts are changed. */ - struct FilesystemRecord *fsRecPtr; - /* Pointer to the filesystem record entry to - * use for this path. */ + const Tcl_Filesystem *fsPtr;/* The Tcl_Filesystem that claims this path */ } FsPath; /* @@ -152,14 +152,8 @@ typedef struct FsPath { Tcl_Obj * TclFSNormalizeAbsolutePath( Tcl_Interp *interp, /* Interpreter to use */ - Tcl_Obj *pathPtr, /* Absolute path to normalize */ - ClientData *clientDataPtr) /* If non-NULL, then may be set to the - * fs-specific clientData for this path. This - * will happen when that extra information can - * be calculated efficiently as a side-effect - * of normalization. */ + Tcl_Obj *pathPtr) /* Absolute path to normalize */ { - ClientData clientData = NULL; const char *dirSep, *oldDirSep; int first = 1; /* Set to zero once we've passed the first * directory separator - we can't use '..' to @@ -433,17 +427,14 @@ TclFSNormalizeAbsolutePath( * for normalizing a path. */ - TclFSNormalizeToUniquePath(interp, retVal, 0, &clientData); + TclFSNormalizeToUniquePath(interp, retVal, 0); /* * Since we know it is a normalized path, we can actually convert this * object into an FsPath for greater efficiency */ - TclFSMakePathFromNormalized(interp, retVal, clientData); - if (clientDataPtr != NULL) { - *clientDataPtr = clientData; - } + MakePathFromNormalized(interp, retVal); /* * This has a refCount of 1 for the caller, unlike many Tcl_Obj APIs. @@ -575,8 +566,7 @@ TclPathPart( if (pathPtr->typePtr == &tclFsPathType) { FsPath *fsPathPtr = PATHOBJ(pathPtr); - if (TclFSEpochOk(fsPathPtr->filesystemEpoch) - && (PATHFLAGS(pathPtr) != 0)) { + if (PATHFLAGS(pathPtr) != 0) { switch (portion) { case TCL_PATH_DIRNAME: { /* @@ -1087,7 +1077,7 @@ TclJoinPath( if (length > 0 && ptr[length -1] != '/') { Tcl_AppendToObj(res, &separator, 1); - length++; + Tcl_GetStringFromObj(res, &length); } Tcl_SetObjLength(res, length + (int) strlen(strElt)); @@ -1274,7 +1264,6 @@ TclNewFSPathObj( { FsPath *fsPathPtr; Tcl_Obj *pathPtr; - ThreadSpecificData *tsdPtr; const char *p; int state = 0, count = 0; @@ -1302,8 +1291,6 @@ TclNewFSPathObj( return pathPtr; } - tsdPtr = TCL_TSD_INIT(&tclFsDataKey); - pathPtr = Tcl_NewObj(); fsPathPtr = ckalloc(sizeof(FsPath)); @@ -1317,8 +1304,8 @@ TclNewFSPathObj( fsPathPtr->cwdPtr = dirPtr; Tcl_IncrRefCount(dirPtr); fsPathPtr->nativePathPtr = NULL; - fsPathPtr->fsRecPtr = NULL; - fsPathPtr->filesystemEpoch = tsdPtr->filesystemEpoch; + fsPathPtr->fsPtr = NULL; + fsPathPtr->filesystemEpoch = 0; SETPATHOBJ(pathPtr, fsPathPtr); PATHFLAGS(pathPtr) = TCLPATH_APPENDED; @@ -1428,8 +1415,7 @@ TclFSMakePathRelative( if (pathPtr->typePtr == &tclFsPathType) { FsPath *fsPathPtr = PATHOBJ(pathPtr); - if (PATHFLAGS(pathPtr) != 0 - && fsPathPtr->cwdPtr == cwdPtr) { + if (PATHFLAGS(pathPtr) != 0 && fsPathPtr->cwdPtr == cwdPtr) { return fsPathPtr->normPathPtr; } } @@ -1473,7 +1459,7 @@ TclFSMakePathRelative( /* *--------------------------------------------------------------------------- * - * TclFSMakePathFromNormalized -- + * MakePathFromNormalized -- * * Like SetFsPathFromAny, but assumes the given object is an absolute * normalized path. Only for internal use. @@ -1487,15 +1473,12 @@ TclFSMakePathRelative( *--------------------------------------------------------------------------- */ -int -TclFSMakePathFromNormalized( +static int +MakePathFromNormalized( Tcl_Interp *interp, /* Used for error reporting if not NULL. */ - Tcl_Obj *pathPtr, /* The object to convert. */ - ClientData nativeRep) /* The native rep for the object, if known - * else NULL. */ + Tcl_Obj *pathPtr) /* The object to convert. */ { FsPath *fsPathPtr; - ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&tclFsDataKey); if (pathPtr->typePtr == &tclFsPathType) { return TCL_OK; @@ -1509,9 +1492,8 @@ TclFSMakePathFromNormalized( 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); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "can't find object string representation", -1)); Tcl_SetErrorCode(interp, "TCL", "VALUE", "PATH", "WTF", NULL); } @@ -1536,9 +1518,10 @@ TclFSMakePathFromNormalized( fsPathPtr->normPathPtr = pathPtr; fsPathPtr->cwdPtr = NULL; - fsPathPtr->nativePathPtr = nativeRep; - fsPathPtr->fsRecPtr = NULL; - fsPathPtr->filesystemEpoch = tsdPtr->filesystemEpoch; + fsPathPtr->nativePathPtr = NULL; + fsPathPtr->fsPtr = NULL; + /* Remember the epoch under which we decided pathPtr was normalized */ + fsPathPtr->filesystemEpoch = TclFSEpoch(); SETPATHOBJ(pathPtr, fsPathPtr); PATHFLAGS(pathPtr) = 0; @@ -1577,14 +1560,13 @@ Tcl_FSNewNativePath( const Tcl_Filesystem *fromFilesystem, ClientData clientData) { - Tcl_Obj *pathPtr; + Tcl_Obj *pathPtr = NULL; FsPath *fsPathPtr; - FilesystemRecord *fsFromPtr; - ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&tclFsDataKey); - pathPtr = TclFSInternalToNormalized(fromFilesystem, clientData, - &fsFromPtr); + if (fromFilesystem->internalToNormalizedProc != NULL) { + pathPtr = (*fromFilesystem->internalToNormalizedProc)(clientData); + } if (pathPtr == NULL) { return NULL; } @@ -1615,9 +1597,8 @@ Tcl_FSNewNativePath( fsPathPtr->normPathPtr = pathPtr; fsPathPtr->cwdPtr = NULL; fsPathPtr->nativePathPtr = clientData; - fsPathPtr->fsRecPtr = fsFromPtr; - fsPathPtr->fsRecPtr->fileRefCount++; - fsPathPtr->filesystemEpoch = tsdPtr->filesystemEpoch; + fsPathPtr->fsPtr = fromFilesystem; + fsPathPtr->filesystemEpoch = TclFSEpoch(); SETPATHOBJ(pathPtr, fsPathPtr); PATHFLAGS(pathPtr) = 0; @@ -1675,6 +1656,12 @@ Tcl_FSGetTranslatedPath( retObj = Tcl_FSJoinToPath(translatedCwdPtr, 1, &srcFsPathPtr->normPathPtr); srcFsPathPtr->translatedPathPtr = retObj; + if (translatedCwdPtr->typePtr == &tclFsPathType) { + srcFsPathPtr->filesystemEpoch + = PATHOBJ(translatedCwdPtr)->filesystemEpoch; + } else { + srcFsPathPtr->filesystemEpoch = 0; + } Tcl_IncrRefCount(retObj); Tcl_DecrRefCount(translatedCwdPtr); } else { @@ -1778,7 +1765,6 @@ Tcl_FSGetNormalizedPath( Tcl_Obj *dir, *copy; int cwdLen, pathType; - ClientData clientData = NULL; pathType = Tcl_FSGetPathType(fsPathPtr->cwdPtr); dir = Tcl_FSGetNormalizedPath(interp, fsPathPtr->cwdPtr); @@ -1811,7 +1797,7 @@ Tcl_FSGetNormalizedPath( * 2385549] ... */ - Tcl_Obj *newCopy = TclFSNormalizeAbsolutePath(interp, copy, NULL); + Tcl_Obj *newCopy = TclFSNormalizeAbsolutePath(interp, copy); Tcl_DecrRefCount(copy); copy = newCopy; @@ -1826,8 +1812,7 @@ Tcl_FSGetNormalizedPath( * will actually start off directly after that separator. */ - TclFSNormalizeToUniquePath(interp, copy, cwdLen-1, - (fsPathPtr->nativePathPtr == NULL ? &clientData : NULL)); + TclFSNormalizeToUniquePath(interp, copy, cwdLen-1); } /* Now we need to construct the new path object. */ @@ -1870,15 +1855,6 @@ Tcl_FSGetNormalizedPath( TclDecrRefCount(dir); } - if (clientData != NULL) { - /* - * This may be unnecessary. It appears that the - * TclFSNormalizeToUniquePath call above should have already set - * this up. Not changing out of fear of the unknown. - */ - - fsPathPtr->nativePathPtr = clientData; - } PATHFLAGS(pathPtr) = 0; } @@ -1899,7 +1875,6 @@ Tcl_FSGetNormalizedPath( } else if (fsPathPtr->normPathPtr == NULL) { int cwdLen; Tcl_Obj *copy; - ClientData clientData = NULL; copy = AppendPath(fsPathPtr->cwdPtr, pathPtr); @@ -1911,17 +1886,12 @@ Tcl_FSGetNormalizedPath( * of the previously normalized 'dir'. This should be much faster! */ - TclFSNormalizeToUniquePath(interp, copy, cwdLen-1, - (fsPathPtr->nativePathPtr == NULL ? &clientData : NULL)); + TclFSNormalizeToUniquePath(interp, copy, cwdLen-1); fsPathPtr->normPathPtr = copy; Tcl_IncrRefCount(fsPathPtr->normPathPtr); - if (clientData != NULL) { - fsPathPtr->nativePathPtr = clientData; - } } } if (fsPathPtr->normPathPtr == NULL) { - ClientData clientData = NULL; Tcl_Obj *useThisCwd = NULL; int pureNormalized = 1; @@ -2003,12 +1973,7 @@ Tcl_FSGetNormalizedPath( */ fsPathPtr->normPathPtr = TclFSNormalizeAbsolutePath(interp, - absolutePath, - (fsPathPtr->nativePathPtr == NULL ? &clientData : NULL)); - if (0 && (clientData != NULL)) { - fsPathPtr->nativePathPtr = - fsPathPtr->fsRecPtr->fsPtr->dupInternalRepProc(clientData); - } + absolutePath); /* * Check if path is pure normalized (this can only be the case if it @@ -2099,7 +2064,7 @@ Tcl_FSGetInternalRep( * not easily achievable with the current implementation. */ - if (srcFsPathPtr->fsRecPtr == NULL) { + if (srcFsPathPtr->fsPtr == NULL) { /* * This only usually happens in wrappers like TclpStat which create a * string object and pass it to TclpObjStat. Code which calls the @@ -2119,7 +2084,7 @@ Tcl_FSGetInternalRep( */ srcFsPathPtr = PATHOBJ(pathPtr); - if (srcFsPathPtr->fsRecPtr == NULL) { + if (srcFsPathPtr->fsPtr == NULL) { return NULL; } } @@ -2131,7 +2096,7 @@ Tcl_FSGetInternalRep( * for this is we ask what filesystem this path belongs to. */ - if (fsPtr != srcFsPathPtr->fsRecPtr->fsPtr) { + if (fsPtr != srcFsPathPtr->fsPtr) { const Tcl_Filesystem *actualFs = Tcl_FSGetFileSystemForPath(pathPtr); if (actualFs == fsPtr) { @@ -2144,7 +2109,7 @@ Tcl_FSGetInternalRep( Tcl_FSCreateInternalRepProc *proc; char *nativePathPtr; - proc = srcFsPathPtr->fsRecPtr->fsPtr->createInternalRepProc; + proc = srcFsPathPtr->fsPtr->createInternalRepProc; if (proc == NULL) { return NULL; } @@ -2212,8 +2177,8 @@ TclFSEnsureEpochOk( * Check whether the object is already assigned to a fs. */ - if (srcFsPathPtr->fsRecPtr != NULL) { - *fsPtrPtr = srcFsPathPtr->fsRecPtr->fsPtr; + if (srcFsPathPtr->fsPtr != NULL) { + *fsPtrPtr = srcFsPathPtr->fsPtr; } return TCL_OK; } @@ -2237,10 +2202,9 @@ TclFSEnsureEpochOk( void TclFSSetPathDetails( Tcl_Obj *pathPtr, - FilesystemRecord *fsRecPtr, + const Tcl_Filesystem *fsPtr, ClientData clientData) { - ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&tclFsDataKey); FsPath *srcFsPathPtr; /* @@ -2254,10 +2218,9 @@ TclFSSetPathDetails( } srcFsPathPtr = PATHOBJ(pathPtr); - srcFsPathPtr->fsRecPtr = fsRecPtr; + srcFsPathPtr->fsPtr = fsPtr; srcFsPathPtr->nativePathPtr = clientData; - srcFsPathPtr->filesystemEpoch = tsdPtr->filesystemEpoch; - fsRecPtr->fileRefCount++; + srcFsPathPtr->filesystemEpoch = TclFSEpoch(); } /* @@ -2346,7 +2309,6 @@ SetFsPathFromAny( FsPath *fsPathPtr; Tcl_Obj *transPtr; char *name; - ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&tclFsDataKey); if (pathPtr->typePtr == &tclFsPathType) { return TCL_OK; @@ -2373,7 +2335,6 @@ SetFsPathFromAny( */ if (name[0] == '~') { - char *expandedUser; Tcl_DString temp; int split; char separator = '/'; @@ -2406,9 +2367,9 @@ SetFsPathFromAny( dir = TclGetEnv("HOME", &dirString); if (dir == NULL) { if (interp) { - Tcl_ResetResult(interp); - Tcl_AppendResult(interp, "couldn't find HOME environment " - "variable to expand path", NULL); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "couldn't find HOME environment variable to" + " expand path", -1)); Tcl_SetErrorCode(interp, "TCL", "VALUE", "PATH", "HOMELESS", NULL); } @@ -2425,9 +2386,8 @@ SetFsPathFromAny( Tcl_DStringInit(&temp); if (TclpGetUserHome(name+1, &temp) == NULL) { if (interp != NULL) { - Tcl_ResetResult(interp); - Tcl_AppendResult(interp, "user \"", name+1, - "\" doesn't exist", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "user \"%s\" doesn't exist", name+1)); Tcl_SetErrorCode(interp, "TCL", "VALUE", "PATH", "NOUSER", NULL); } @@ -2442,8 +2402,7 @@ SetFsPathFromAny( } } - expandedUser = Tcl_DStringValue(&temp); - transPtr = Tcl_NewStringObj(expandedUser, Tcl_DStringLength(&temp)); + transPtr = TclDStringToObj(&temp); if (split != len) { /* @@ -2488,7 +2447,6 @@ SetFsPathFromAny( transPtr = joined; } } - Tcl_DStringFree(&temp); } else { transPtr = TclJoinPath(1, &pathPtr); } @@ -2503,12 +2461,15 @@ SetFsPathFromAny( fsPathPtr->translatedPathPtr = transPtr; if (transPtr != pathPtr) { Tcl_IncrRefCount(fsPathPtr->translatedPathPtr); + /* Redo translation when $env(HOME) changes */ + fsPathPtr->filesystemEpoch = TclFSEpoch(); + } else { + fsPathPtr->filesystemEpoch = 0; } fsPathPtr->normPathPtr = NULL; fsPathPtr->cwdPtr = NULL; fsPathPtr->nativePathPtr = NULL; - fsPathPtr->fsRecPtr = NULL; - fsPathPtr->filesystemEpoch = tsdPtr->filesystemEpoch; + fsPathPtr->fsPtr = NULL; /* * Free old representation before installing our new one. @@ -2541,25 +2502,15 @@ FreeFsPathInternalRep( if (fsPathPtr->cwdPtr != NULL) { TclDecrRefCount(fsPathPtr->cwdPtr); } - if (fsPathPtr->nativePathPtr != NULL && fsPathPtr->fsRecPtr != NULL) { + if (fsPathPtr->nativePathPtr != NULL && fsPathPtr->fsPtr != NULL) { Tcl_FSFreeInternalRepProc *freeProc = - fsPathPtr->fsRecPtr->fsPtr->freeInternalRepProc; + fsPathPtr->fsPtr->freeInternalRepProc; if (freeProc != NULL) { freeProc(fsPathPtr->nativePathPtr); fsPathPtr->nativePathPtr = NULL; } } - if (fsPathPtr->fsRecPtr != NULL) { - fsPathPtr->fsRecPtr->fileRefCount--; - if (fsPathPtr->fsRecPtr->fileRefCount <= 0) { - /* - * It has been unregistered already. - */ - - ckfree(fsPathPtr->fsRecPtr); - } - } ckfree(fsPathPtr); pathPtr->typePtr = NULL; @@ -2602,10 +2553,10 @@ DupFsPathInternalRep( copyFsPathPtr->flags = srcFsPathPtr->flags; - if (srcFsPathPtr->fsRecPtr != NULL + if (srcFsPathPtr->fsPtr != NULL && srcFsPathPtr->nativePathPtr != NULL) { Tcl_FSDupInternalRepProc *dupProc = - srcFsPathPtr->fsRecPtr->fsPtr->dupInternalRepProc; + srcFsPathPtr->fsPtr->dupInternalRepProc; if (dupProc != NULL) { copyFsPathPtr->nativePathPtr = @@ -2616,11 +2567,8 @@ DupFsPathInternalRep( } else { copyFsPathPtr->nativePathPtr = NULL; } - copyFsPathPtr->fsRecPtr = srcFsPathPtr->fsRecPtr; + copyFsPathPtr->fsPtr = srcFsPathPtr->fsPtr; copyFsPathPtr->filesystemEpoch = srcFsPathPtr->filesystemEpoch; - if (copyFsPathPtr->fsRecPtr != NULL) { - copyFsPathPtr->fsRecPtr->fileRefCount++; - } copyPtr->typePtr = &tclFsPathType; } |