diff options
Diffstat (limited to 'generic/tclFCmd.c')
| -rw-r--r-- | generic/tclFCmd.c | 173 |
1 files changed, 156 insertions, 17 deletions
diff --git a/generic/tclFCmd.c b/generic/tclFCmd.c index 99372c5..3babd43 100644 --- a/generic/tclFCmd.c +++ b/generic/tclFCmd.c @@ -47,7 +47,7 @@ static int FileForceOption(Tcl_Interp *interp, int TclFileRenameCmd( - ClientData clientData, /* Unused */ + TCL_UNUSED(ClientData), Tcl_Interp *interp, /* Interp for error reporting or recursive * calls in the case of a tricky rename. */ int objc, /* Number of arguments. */ @@ -76,7 +76,7 @@ TclFileRenameCmd( int TclFileCopyCmd( - ClientData clientData, /* Unused */ + TCL_UNUSED(ClientData), Tcl_Interp *interp, /* Used for error reporting or recursive calls * in the case of a tricky copy. */ int objc, /* Number of arguments. */ @@ -214,7 +214,7 @@ FileCopyRename( int TclFileMakeDirsCmd( - ClientData clientData, /* Unused */ + TCL_UNUSED(ClientData), Tcl_Interp *interp, /* Used for error reporting. */ int objc, /* Number of arguments */ Tcl_Obj *const objv[]) /* Argument strings passed to Tcl_FileCmd. */ @@ -338,7 +338,7 @@ TclFileMakeDirsCmd( int TclFileDeleteCmd( - ClientData clientData, /* Unused */ + TCL_UNUSED(ClientData), Tcl_Interp *interp, /* Used for error reporting */ int objc, /* Number of arguments */ Tcl_Obj *const objv[]) /* Argument strings passed to Tcl_FileCmd. */ @@ -946,7 +946,7 @@ FileBasename( int TclFileAttrsCmd( - ClientData clientData, /* Unused */ + TCL_UNUSED(ClientData), Tcl_Interp *interp, /* The interpreter for error reporting. */ int objc, /* Number of command line arguments. */ Tcl_Obj *const objv[]) /* The command line objects. */ @@ -1085,12 +1085,9 @@ TclFileAttrsCmd( } if (Tcl_GetIndexFromObj(interp, objv[0], attributeStrings, - "option", 0, &index) != TCL_OK) { + "option", INDEX_TEMP_TABLE, &index) != TCL_OK) { goto end; } - if (attributeStringsAllocated != NULL) { - TclFreeIntRep(objv[0]); - } if (Tcl_FSFileAttrsGet(interp, index, filePtr, &objPtr) != TCL_OK) { goto end; @@ -1113,12 +1110,9 @@ TclFileAttrsCmd( for (i = 0; i < objc ; i += 2) { if (Tcl_GetIndexFromObj(interp, objv[i], attributeStrings, - "option", 0, &index) != TCL_OK) { + "option", INDEX_TEMP_TABLE, &index) != TCL_OK) { goto end; } - if (attributeStringsAllocated != NULL) { - TclFreeIntRep(objv[i]); - } if (i + 1 == objc) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "value for \"%s\" missing", TclGetString(objv[i]))); @@ -1168,7 +1162,7 @@ TclFileAttrsCmd( int TclFileLinkCmd( - ClientData clientData, + TCL_UNUSED(ClientData), Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) @@ -1319,7 +1313,7 @@ TclFileLinkCmd( int TclFileReadLinkCmd( - ClientData clientData, + TCL_UNUSED(ClientData), Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) @@ -1351,7 +1345,7 @@ TclFileReadLinkCmd( /* *--------------------------------------------------------------------------- * - * TclFileTemporaryCmd + * TclFileTemporaryCmd -- * * This function implements the "tempfile" subcommand of the "file" * command. @@ -1370,7 +1364,7 @@ TclFileReadLinkCmd( int TclFileTemporaryCmd( - ClientData clientData, + TCL_UNUSED(ClientData), Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) @@ -1511,6 +1505,151 @@ TclFileTemporaryCmd( } /* + *--------------------------------------------------------------------------- + * + * TclFileTempDirCmd -- + * + * This function implements the "tempdir" subcommand of the "file" + * command. + * + * Results: + * Returns a standard Tcl result. + * + * Side effects: + * Creates a temporary directory. + * + *--------------------------------------------------------------------------- + */ + +int +TclFileTempDirCmd( + TCL_UNUSED(ClientData), + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + Tcl_Obj *dirNameObj; /* Object that will contain the directory + * name. */ + Tcl_Obj *baseDirObj = NULL, *nameBaseObj = NULL; + /* Pieces of template. Each piece is NULL if + * it is omitted. The platform temporary file + * engine might ignore some pieces. */ + + if (objc < 1 || objc > 2) { + Tcl_WrongNumArgs(interp, 1, objv, "?template?"); + return TCL_ERROR; + } + + if (objc > 1) { + int length; + Tcl_Obj *templateObj = objv[1]; + const char *string = TclGetStringFromObj(templateObj, &length); + const int onWindows = (tclPlatform == TCL_PLATFORM_WINDOWS); + + /* + * Treat an empty string as if it wasn't there. + */ + + if (length == 0) { + goto makeTemporary; + } + + /* + * The template only gives a directory if there is a directory + * separator in it, and only gives a base name if there's at least one + * character after the last directory separator. + */ + + if (strchr(string, '/') == NULL + && (!onWindows || strchr(string, '\\') == NULL)) { + /* + * No directory separator, so just assume we have a file name. + * This is a bit wrong on Windows where we could have problems + * with disk name prefixes... but those are much less common in + * naked form so we just pass through and let the OS figure it out + * instead. + */ + + nameBaseObj = templateObj; + Tcl_IncrRefCount(nameBaseObj); + } else if (string[length-1] != '/' + && (!onWindows || string[length-1] != '\\')) { + /* + * If the template has a non-terminal directory separator, split + * into dirname and tail. + */ + + baseDirObj = TclPathPart(interp, templateObj, TCL_PATH_DIRNAME); + nameBaseObj = TclPathPart(interp, templateObj, TCL_PATH_TAIL); + } else { + /* + * Otherwise, there must be a terminal directory separator, so + * just the directory is given. + */ + + baseDirObj = templateObj; + Tcl_IncrRefCount(baseDirObj); + } + + /* + * Only allow creation of temporary directories in the native + * filesystem since they are frequently used for integration with + * external tools or system libraries. + */ + + if (baseDirObj != NULL && Tcl_FSGetFileSystemForPath(baseDirObj) + != &tclNativeFilesystem) { + TclDecrRefCount(baseDirObj); + baseDirObj = NULL; + } + } + + /* + * Convert empty parts of the template into unspecified parts. + */ + + if (baseDirObj && !TclGetString(baseDirObj)[0]) { + TclDecrRefCount(baseDirObj); + baseDirObj = NULL; + } + if (nameBaseObj && !TclGetString(nameBaseObj)[0]) { + TclDecrRefCount(nameBaseObj); + nameBaseObj = NULL; + } + + /* + * Create and open the temporary file. + */ + + makeTemporary: + dirNameObj = TclpCreateTemporaryDirectory(baseDirObj, nameBaseObj); + + /* + * If we created pieces of template, get rid of them now. + */ + + if (baseDirObj) { + TclDecrRefCount(baseDirObj); + } + if (nameBaseObj) { + TclDecrRefCount(nameBaseObj); + } + + /* + * Deal with results. + */ + + if (dirNameObj == NULL) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "can't create temporary directory: %s", + Tcl_PosixError(interp))); + return TCL_ERROR; + } + Tcl_SetObjResult(interp, dirNameObj); + return TCL_OK; +} + +/* * Local Variables: * mode: c * c-basic-offset: 4 |