ClientData
TclNativeCreateNativeRep(
Tcl_Obj *pathPtr)
{
char *nativePathPtr;
const char *str;
Tcl_DString ds;
Tcl_Obj *validPathPtr;
size_t len;
if (TclFSCwdIsNative()) {
/*
* The cwd is native, which means we can use the translated path
* without worrying about normalization (this will also usually be
* shorter so the utf-to-external conversion will be somewhat faster).
*/
validPathPtr = Tcl_FSGetTranslatedPath(NULL, pathPtr);
if (validPathPtr == NULL) {
return NULL;
}
} else {
/*
* Make sure the normalized path is set.
*/
validPathPtr = Tcl_FSGetNormalizedPath(NULL, pathPtr);
if (validPathPtr == NULL) {
return NULL;
}
Tcl_IncrRefCount(validPathPtr);
}
str = TclGetString(validPathPtr);
len = validPathPtr->length;
Tcl_UtfToExternalDString(NULL, str, len, &ds);
len = Tcl_DStringLength(&ds) + sizeof(char);
if (strlen(Tcl_DStringValue(&ds)) < len - sizeof(char)) {
/* See bug [3118489]: NUL in filenames */
Tcl_DecrRefCount(validPathPtr);
Tcl_DStringFree(&ds);
return NULL;
}
Tcl_DecrRefCount(validPathPtr);
nativePathPtr = ckalloc(len);
memcpy(nativePathPtr, Tcl_DStringValue(&ds), (size_t) len);
Tcl_DStringFree(&ds);
return nativePathPtr;
}
ClientData
TclNativeCreateNativeRep(
Tcl_Obj *pathPtr)
{
char *nativePathPtr;
Tcl_DString ds;
Tcl_Obj *validPathPtr;
int len;
char *str;
if (TclFSCwdIsNative()) {
/*
* The cwd is native, which means we can use the translated path
* without worrying about normalization (this will also usually be
* shorter so the utf-to-external conversion will be somewhat faster).
*/
validPathPtr = Tcl_FSGetTranslatedPath(NULL, pathPtr);
if (validPathPtr == NULL) {
return NULL;
}
} else {
/*
* Make sure the normalized path is set.
*/
validPathPtr = Tcl_FSGetNormalizedPath(NULL, pathPtr);
if (validPathPtr == NULL) {
return NULL;
}
Tcl_IncrRefCount(validPathPtr);
}
str = Tcl_GetStringFromObj(validPathPtr, &len);
Tcl_UtfToExternalDString(NULL, str, len, &ds);
len = Tcl_DStringLength(&ds) + sizeof(char);
Tcl_DecrRefCount(validPathPtr);
nativePathPtr = ckalloc((unsigned) len);
memcpy((void*)nativePathPtr, (void*)Tcl_DStringValue(&ds), (size_t) len);
Tcl_DStringFree(&ds);
return (ClientData)nativePathPtr;
}
int
TclGetPathFromObj(
Tcl_Interp *interp,
Tcl_Obj *objPtr,
Tcl_DString *buffer
)
{
char *path;
int pathLenth;
Tcl_Obj *translatedObj;
assert(interp != NULL);
assert(objPtr != NULL);
assert(buffer != NULL);
translatedObj = Tcl_FSGetTranslatedPath(interp, objPtr);
if (translatedObj == NULL) {
return TCL_ERROR;
}
/* Create a dynamic string from the translated path. */
Tcl_DStringInit(buffer);
path = Tcl_GetStringFromObj(translatedObj, &pathLenth);
Tcl_DStringAppend(buffer, path, pathLenth);
Tcl_DecrRefCount(translatedObj);
#ifdef _WINDOWS
{
char *p = Tcl_DStringValue(buffer);
/* Convert forward slashes to backslashes for Windows paths. */
while (*p) {
if (*p == '/') {
*p = '\\';
}
p++;
}
}
#endif /* _WINDOWS */
return TCL_OK;
}
Tcl_Obj *
TclpObjLink(
Tcl_Obj *pathPtr,
Tcl_Obj *toPtr,
int linkAction)
{
if (toPtr != NULL) {
const char *src = Tcl_FSGetNativePath(pathPtr);
const char *target = NULL;
if (src == NULL) {
return NULL;
}
/*
* If we're making a symbolic link and the path is relative, then we
* must check whether it exists _relative_ to the directory in which
* the src is found (not relative to the current cwd which is just not
* relevant in this case).
*
* If we're making a hard link, then a relative path is just converted
* to absolute relative to the cwd.
*/
if ((linkAction & TCL_CREATE_SYMBOLIC_LINK)
&& (Tcl_FSGetPathType(toPtr) == TCL_PATH_RELATIVE)) {
Tcl_Obj *dirPtr, *absPtr;
dirPtr = TclPathPart(NULL, pathPtr, TCL_PATH_DIRNAME);
if (dirPtr == NULL) {
return NULL;
}
absPtr = Tcl_FSJoinToPath(dirPtr, 1, &toPtr);
Tcl_IncrRefCount(absPtr);
if (Tcl_FSAccess(absPtr, F_OK) == -1) {
Tcl_DecrRefCount(absPtr);
Tcl_DecrRefCount(dirPtr);
/*
* Target doesn't exist.
*/
errno = ENOENT;
return NULL;
}
/*
* Target exists; we'll construct the relative path we want below.
*/
Tcl_DecrRefCount(absPtr);
Tcl_DecrRefCount(dirPtr);
} else {
target = Tcl_FSGetNativePath(toPtr);
if (target == NULL) {
return NULL;
}
if (access(target, F_OK) == -1) {
/*
* Target doesn't exist.
*/
errno = ENOENT;
return NULL;
}
}
if (access(src, F_OK) != -1) {
/*
* Src exists.
*/
errno = EEXIST;
return NULL;
}
/*
* Check symbolic link flag first, since we prefer to create these.
*/
if (linkAction & TCL_CREATE_SYMBOLIC_LINK) {
int targetLen;
Tcl_DString ds;
Tcl_Obj *transPtr;
/*
* Now we don't want to link to the absolute, normalized path.
* Relative links are quite acceptable (but links to ~user are not
* -- these must be expanded first).
*/
transPtr = Tcl_FSGetTranslatedPath(NULL, toPtr);
if (transPtr == NULL) {
return NULL;
}
target = TclGetStringFromObj(transPtr, &targetLen);
target = Tcl_UtfToExternalDString(NULL, target, targetLen, &ds);
Tcl_DecrRefCount(transPtr);
if (symlink(target, src) != 0) {
toPtr = NULL;
}
Tcl_DStringFree(&ds);
} else if (linkAction & TCL_CREATE_HARD_LINK) {
if (link(target, src) != 0) {
return NULL;
}
} else {
errno = ENODEV;
return NULL;
}
return toPtr;
} else {
Tcl_Obj *linkPtr = NULL;
char link[MAXPATHLEN];
int length;
Tcl_DString ds;
Tcl_Obj *transPtr;
transPtr = Tcl_FSGetTranslatedPath(NULL, pathPtr);
if (transPtr == NULL) {
return NULL;
}
Tcl_DecrRefCount(transPtr);
length = readlink(Tcl_FSGetNativePath(pathPtr), link, sizeof(link));
if (length < 0) {
return NULL;
}
Tcl_ExternalToUtfDString(NULL, link, length, &ds);
linkPtr = TclDStringToObj(&ds);
Tcl_IncrRefCount(linkPtr);
return linkPtr;
}
}
int
TclpMatchInDirectory(
Tcl_Interp *interp, /* Interpreter to receive errors. */
Tcl_Obj *resultPtr, /* List object to lappend results. */
Tcl_Obj *pathPtr, /* Contains path to directory to search. */
const char *pattern, /* Pattern to match against. */
Tcl_GlobTypeData *types) /* Object containing list of acceptable types.
* May be NULL. In particular the directory
* flag is very important. */
{
const char *native;
Tcl_Obj *fileNamePtr;
int matchResult = 0;
if (types != NULL && types->type == TCL_GLOB_TYPE_MOUNT) {
/*
* The native filesystem never adds mounts.
*/
return TCL_OK;
}
fileNamePtr = Tcl_FSGetTranslatedPath(interp, pathPtr);
if (fileNamePtr == NULL) {
return TCL_ERROR;
}
if (pattern == NULL || (*pattern == '\0')) {
/*
* Match a file directly.
*/
Tcl_Obj *tailPtr;
const char *nativeTail;
native = Tcl_FSGetNativePath(pathPtr);
tailPtr = TclPathPart(interp, pathPtr, TCL_PATH_TAIL);
nativeTail = Tcl_FSGetNativePath(tailPtr);
matchResult = NativeMatchType(interp, native, nativeTail, types);
if (matchResult == 1) {
Tcl_ListObjAppendElement(interp, resultPtr, pathPtr);
}
Tcl_DecrRefCount(tailPtr);
Tcl_DecrRefCount(fileNamePtr);
} else {
DIR *d;
Tcl_DirEntry *entryPtr;
const char *dirName;
int dirLength, nativeDirLen;
int matchHidden, matchHiddenPat;
Tcl_StatBuf statBuf;
Tcl_DString ds; /* native encoding of dir */
Tcl_DString dsOrig; /* utf-8 encoding of dir */
Tcl_DStringInit(&dsOrig);
dirName = TclGetStringFromObj(fileNamePtr, &dirLength);
Tcl_DStringAppend(&dsOrig, dirName, dirLength);
/*
* Make sure that the directory part of the name really is a
* directory. If the directory name is "", use the name "." instead,
* because some UNIX systems don't treat "" like "." automatically.
* Keep the "" for use in generating file names, otherwise "glob
* foo.c" would return "./foo.c".
*/
if (dirLength == 0) {
dirName = ".";
} else {
dirName = Tcl_DStringValue(&dsOrig);
/*
* Make sure we have a trailing directory delimiter.
*/
if (dirName[dirLength-1] != '/') {
dirName = TclDStringAppendLiteral(&dsOrig, "/");
dirLength++;
}
}
/*
* Now open the directory for reading and iterate over the contents.
*/
native = Tcl_UtfToExternalDString(NULL, dirName, -1, &ds);
if ((TclOSstat(native, &statBuf) != 0) /* INTL: Native. */
|| !S_ISDIR(statBuf.st_mode)) {
Tcl_DStringFree(&dsOrig);
Tcl_DStringFree(&ds);
Tcl_DecrRefCount(fileNamePtr);
return TCL_OK;
}
d = opendir(native); /* INTL: Native. */
if (d == NULL) {
Tcl_DStringFree(&ds);
if (interp != NULL) {
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
"couldn't read directory \"%s\": %s",
Tcl_DStringValue(&dsOrig), Tcl_PosixError(interp)));
}
Tcl_DStringFree(&dsOrig);
Tcl_DecrRefCount(fileNamePtr);
return TCL_ERROR;
}
nativeDirLen = Tcl_DStringLength(&ds);
/*
* Check to see if -type or the pattern requests hidden files.
*/
matchHiddenPat = (pattern[0] == '.')
|| ((pattern[0] == '\\') && (pattern[1] == '.'));
matchHidden = matchHiddenPat
|| (types && (types->perm & TCL_GLOB_PERM_HIDDEN));
while ((entryPtr = TclOSreaddir(d)) != NULL) { /* INTL: Native. */
Tcl_DString utfDs;
const char *utfname;
/*
* Skip this file if it doesn't agree with the hidden parameters
* requested by the user (via -type or pattern).
*/
if (*entryPtr->d_name == '.') {
if (!matchHidden) {
continue;
}
} else {
#ifdef MAC_OSX_TCL
if (matchHiddenPat) {
continue;
}
/* Also need to check HFS hidden flag in TclMacOSXMatchType. */
#else
if (matchHidden) {
continue;
}
#endif
}
/*
* Now check to see if the file matches, according to both type
* and pattern. If so, add the file to the result.
*/
utfname = Tcl_ExternalToUtfDString(NULL, entryPtr->d_name, -1,
&utfDs);
if (Tcl_StringCaseMatch(utfname, pattern, 0)) {
int typeOk = 1;
if (types != NULL) {
Tcl_DStringSetLength(&ds, nativeDirLen);
native = Tcl_DStringAppend(&ds, entryPtr->d_name, -1);
matchResult = NativeMatchType(interp, native,
entryPtr->d_name, types);
typeOk = (matchResult == 1);
}
if (typeOk) {
Tcl_ListObjAppendElement(interp, resultPtr,
TclNewFSPathObj(pathPtr, utfname,
Tcl_DStringLength(&utfDs)));
}
}
Tcl_DStringFree(&utfDs);
if (matchResult < 0) {
break;
}
}
closedir(d);
Tcl_DStringFree(&ds);
Tcl_DStringFree(&dsOrig);
Tcl_DecrRefCount(fileNamePtr);
}
if (matchResult < 0) {
return TCL_ERROR;
}
return TCL_OK;
}
