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-rw-r--r--generic/tclIOUtil.c2330
1 files changed, 1079 insertions, 1251 deletions
diff --git a/generic/tclIOUtil.c b/generic/tclIOUtil.c
index 295e313..f624cb7 100644
--- a/generic/tclIOUtil.c
+++ b/generic/tclIOUtil.c
@@ -19,7 +19,7 @@
*/
#include "tclInt.h"
-#ifdef __WIN32__
+#ifdef _WIN32
# include "tclWinInt.h"
#endif
#include "tclFileSystem.h"
@@ -34,7 +34,7 @@
typedef struct FilesystemRecord {
ClientData clientData; /* Client specific data for the new filesystem
* (can be NULL) */
- Tcl_Filesystem *fsPtr; /* Pointer to filesystem dispatch table. */
+ const Tcl_Filesystem *fsPtr;/* Pointer to filesystem dispatch table. */
struct FilesystemRecord *nextPtr;
/* The next filesystem registered to Tcl, or
* NULL if no more. */
@@ -65,6 +65,8 @@ typedef struct ThreadSpecificData {
* Prototypes for functions defined later in this file.
*/
+static int EvalFileCallback(ClientData data[],
+ Tcl_Interp *interp, int result);
static FilesystemRecord*FsGetFirstFilesystem(void);
static void FsThrExitProc(ClientData cd);
static Tcl_Obj * FsListMounts(Tcl_Obj *pathPtr, const char *pattern);
@@ -72,11 +74,13 @@ static void FsAddMountsToGlobResult(Tcl_Obj *resultPtr,
Tcl_Obj *pathPtr, const char *pattern,
Tcl_GlobTypeData *types);
static void FsUpdateCwd(Tcl_Obj *cwdObj, ClientData clientData);
-
static void FsRecacheFilesystemList(void);
static void Claim(void);
static void Disclaim(void);
+static void * DivertFindSymbol(Tcl_Interp *interp,
+ Tcl_LoadHandle loadHandle, const char *symbol);
+static void DivertUnloadFile(Tcl_LoadHandle loadHandle);
/*
* These form part of the native filesystem support. They are needed here
@@ -85,15 +89,170 @@ static void Disclaim(void);
* they are not (and should not be) used anywhere else.
*/
-MODULE_SCOPE const char * tclpFileAttrStrings[];
+MODULE_SCOPE const char *const tclpFileAttrStrings[];
MODULE_SCOPE const TclFileAttrProcs tclpFileAttrProcs[];
+
+/*
+ * Declare the native filesystem support. These functions should be considered
+ * private to Tcl, and should really not be called directly by any code other
+ * than this file (i.e. neither by Tcl's core nor by extensions). Similarly,
+ * the old string-based Tclp... native filesystem functions should not be
+ * called.
+ *
+ * The correct API to use now is the Tcl_FS... set of functions, which ensure
+ * correct and complete virtual filesystem support.
+ *
+ * We cannot make all of these static, since some of them are implemented in
+ * the platform-specific directories.
+ */
+
+static Tcl_FSFilesystemSeparatorProc NativeFilesystemSeparator;
+static Tcl_FSFreeInternalRepProc NativeFreeInternalRep;
+static Tcl_FSFileAttrStringsProc NativeFileAttrStrings;
+static Tcl_FSFileAttrsGetProc NativeFileAttrsGet;
+static Tcl_FSFileAttrsSetProc NativeFileAttrsSet;
+
+/*
+ * The only reason these functions are not static is that they are either
+ * called by code in the native (win/unix) directories or they are actually
+ * implemented in those directories. They should simply not be called by code
+ * outside Tcl's native filesystem core i.e. they should be considered
+ * 'static' to Tcl's filesystem code (if we ever built the native filesystem
+ * support into a separate code library, this could actually be enforced).
+ */
+
+Tcl_FSFilesystemPathTypeProc TclpFilesystemPathType;
+Tcl_FSInternalToNormalizedProc TclpNativeToNormalized;
+Tcl_FSStatProc TclpObjStat;
+Tcl_FSAccessProc TclpObjAccess;
+Tcl_FSMatchInDirectoryProc TclpMatchInDirectory;
+Tcl_FSChdirProc TclpObjChdir;
+Tcl_FSLstatProc TclpObjLstat;
+Tcl_FSCopyFileProc TclpObjCopyFile;
+Tcl_FSDeleteFileProc TclpObjDeleteFile;
+Tcl_FSRenameFileProc TclpObjRenameFile;
+Tcl_FSCreateDirectoryProc TclpObjCreateDirectory;
+Tcl_FSCopyDirectoryProc TclpObjCopyDirectory;
+Tcl_FSRemoveDirectoryProc TclpObjRemoveDirectory;
+Tcl_FSUnloadFileProc TclpUnloadFile;
+Tcl_FSLinkProc TclpObjLink;
+Tcl_FSListVolumesProc TclpObjListVolumes;
/*
+ * Define the native filesystem dispatch table. If necessary, it is ok to make
+ * this non-static, but it should only be accessed by the functions actually
+ * listed within it (or perhaps other helper functions of them). Anything
+ * which is not part of this 'native filesystem implementation' should not be
+ * delving inside here!
+ */
+
+const Tcl_Filesystem tclNativeFilesystem = {
+ "native",
+ sizeof(Tcl_Filesystem),
+ TCL_FILESYSTEM_VERSION_2,
+ TclNativePathInFilesystem,
+ TclNativeDupInternalRep,
+ NativeFreeInternalRep,
+ TclpNativeToNormalized,
+ TclNativeCreateNativeRep,
+ TclpObjNormalizePath,
+ TclpFilesystemPathType,
+ NativeFilesystemSeparator,
+ TclpObjStat,
+ TclpObjAccess,
+ TclpOpenFileChannel,
+ TclpMatchInDirectory,
+ TclpUtime,
+#ifndef S_IFLNK
+ NULL,
+#else
+ TclpObjLink,
+#endif /* S_IFLNK */
+ TclpObjListVolumes,
+ NativeFileAttrStrings,
+ NativeFileAttrsGet,
+ NativeFileAttrsSet,
+ TclpObjCreateDirectory,
+ TclpObjRemoveDirectory,
+ TclpObjDeleteFile,
+ TclpObjCopyFile,
+ TclpObjRenameFile,
+ TclpObjCopyDirectory,
+ TclpObjLstat,
+ /* Needs casts since we're using version_2. */
+ (Tcl_FSLoadFileProc *) TclpDlopen,
+ (Tcl_FSGetCwdProc *) TclpGetNativeCwd,
+ TclpObjChdir
+};
+
+/*
+ * Define the tail of the linked list. Note that for unconventional uses of
+ * Tcl without a native filesystem, we may in the future wish to modify the
+ * current approach of hard-coding the native filesystem in the lookup list
+ * 'filesystemList' below.
+ *
+ * We initialize the record so that it thinks one file uses it. This means it
+ * will never be freed.
+ */
+
+static FilesystemRecord nativeFilesystemRecord = {
+ NULL,
+ &tclNativeFilesystem,
+ NULL,
+ NULL
+};
+
+/*
+ * This is incremented each time we modify the linked list of filesystems. Any
+ * time it changes, all cached filesystem representations are suspect and must
+ * be freed. For multithreading builds, change of the filesystem epoch will
+ * trigger cache cleanup in all threads.
+ */
+
+static int theFilesystemEpoch = 1;
+
+/*
+ * Stores the linked list of filesystems. A 1:1 copy of this list is also
+ * maintained in the TSD for each thread. This is to avoid synchronization
+ * issues.
+ */
+
+static FilesystemRecord *filesystemList = &nativeFilesystemRecord;
+TCL_DECLARE_MUTEX(filesystemMutex)
+
+/*
+ * Used to implement Tcl_FSGetCwd in a file-system independent way.
+ */
+
+static Tcl_Obj *cwdPathPtr = NULL;
+static int cwdPathEpoch = 0;
+static ClientData cwdClientData = NULL;
+TCL_DECLARE_MUTEX(cwdMutex)
+
+static Tcl_ThreadDataKey fsDataKey;
+
+/*
+ * One of these structures is used each time we successfully load a file from
+ * a file system by way of making a temporary copy of the file on the native
+ * filesystem. We need to store both the actual unloadProc/clientData
+ * combination which was used, and the original and modified filenames, so
+ * that we can correctly undo the entire operation when we want to unload the
+ * code.
+ */
+
+typedef struct FsDivertLoad {
+ Tcl_LoadHandle loadHandle;
+ Tcl_FSUnloadFileProc *unloadProcPtr;
+ Tcl_Obj *divertedFile;
+ const Tcl_Filesystem *divertedFilesystem;
+ ClientData divertedFileNativeRep;
+} FsDivertLoad;
+
+/*
* The following functions are obsolete string based APIs, and should be
* removed in a future release (Tcl 9 would be a good time).
*/
-
/* Obsolete */
int
Tcl_Stat(
@@ -102,7 +261,7 @@ Tcl_Stat(
{
int ret;
Tcl_StatBuf buf;
- Tcl_Obj *pathPtr = Tcl_NewStringObj(path, -1);
+ Tcl_Obj *pathPtr = Tcl_NewStringObj(path,-1);
Tcl_IncrRefCount(pathPtr);
ret = Tcl_FSStat(pathPtr, &buf);
@@ -110,6 +269,7 @@ Tcl_Stat(
if (ret != -1) {
#ifndef TCL_WIDE_INT_IS_LONG
Tcl_WideInt tmp1, tmp2, tmp3 = 0;
+
# define OUT_OF_RANGE(x) \
(((Tcl_WideInt)(x)) < Tcl_LongAsWide(LONG_MIN) || \
((Tcl_WideInt)(x)) > Tcl_LongAsWide(LONG_MAX))
@@ -126,10 +286,10 @@ Tcl_Stat(
* Tcl_WideInt.
*/
- tmp1 = (Tcl_WideInt) buf.st_ino;
- tmp2 = (Tcl_WideInt) buf.st_size;
+ tmp1 = (Tcl_WideInt) buf.st_ino;
+ tmp2 = (Tcl_WideInt) buf.st_size;
#ifdef HAVE_STRUCT_STAT_ST_BLOCKS
- tmp3 = (Tcl_WideInt) buf.st_blocks;
+ tmp3 = (Tcl_WideInt) buf.st_blocks;
#endif
if (OUT_OF_URANGE(tmp1) || OUT_OF_RANGE(tmp2) || OUT_OF_RANGE(tmp3)) {
@@ -236,16 +396,15 @@ Tcl_GetCwd(
Tcl_Interp *interp,
Tcl_DString *cwdPtr)
{
- Tcl_Obj *cwd;
- cwd = Tcl_FSGetCwd(interp);
+ Tcl_Obj *cwd = Tcl_FSGetCwd(interp);
+
if (cwd == NULL) {
return NULL;
- } else {
- Tcl_DStringInit(cwdPtr);
- Tcl_DStringAppend(cwdPtr, Tcl_GetString(cwd), -1);
- Tcl_DecrRefCount(cwd);
- return Tcl_DStringValue(cwdPtr);
}
+ Tcl_DStringInit(cwdPtr);
+ TclDStringAppendObj(cwdPtr, cwd);
+ Tcl_DecrRefCount(cwd);
+ return Tcl_DStringValue(cwdPtr);
}
/* Obsolete */
@@ -257,6 +416,7 @@ Tcl_EvalFile(
{
int ret;
Tcl_Obj *pathPtr = Tcl_NewStringObj(fileName,-1);
+
Tcl_IncrRefCount(pathPtr);
ret = Tcl_FSEvalFile(interp, pathPtr);
Tcl_DecrRefCount(pathPtr);
@@ -264,234 +424,14 @@ Tcl_EvalFile(
}
/*
- * The 3 hooks for Stat, Access and OpenFileChannel are obsolete. The
- * complete, general hooked filesystem APIs should be used instead. This
- * define decides whether to include the obsolete hooks and related code. If
- * these are removed, we'll also want to remove them from stubs/tclInt. The
- * only known users of these APIs are prowrap and mktclapp. New
- * code/extensions should not use them, since they do not provide as full
- * support as the full filesystem API.
- *
- * As soon as prowrap and mktclapp are updated to use the full filesystem
- * support, I suggest all these hooks are removed.
- */
-
-#undef USE_OBSOLETE_FS_HOOKS
-
-#ifdef USE_OBSOLETE_FS_HOOKS
-
-/*
- * The following typedef declarations allow for hooking into the chain of
- * functions maintained for 'Tcl_Stat(...)', 'Tcl_Access(...)' &
- * 'Tcl_OpenFileChannel(...)'. Basically for each hookable function a linked
- * list is defined.
- */
-
-typedef struct StatProc {
- TclStatProc_ *proc; /* Function to process a 'stat()' call */
- struct StatProc *nextPtr; /* The next 'stat()' function to call */
-} StatProc;
-
-typedef struct AccessProc {
- TclAccessProc_ *proc; /* Function to process a 'access()' call */
- struct AccessProc *nextPtr; /* The next 'access()' function to call */
-} AccessProc;
-
-typedef struct OpenFileChannelProc {
- TclOpenFileChannelProc_ *proc;
- /* Function to process a
- * 'Tcl_OpenFileChannel()' call */
- struct OpenFileChannelProc *nextPtr;
- /* The next 'Tcl_OpenFileChannel()' function
- * to call */
-} OpenFileChannelProc;
-
-/*
- * For each type of (obsolete) hookable function, a static node is declared to
- * hold the function pointer for the "built-in" routine (e.g. 'TclpStat(...)')
- * and the respective list is initialized as a pointer to that node.
- *
- * The "delete" functions (e.g. 'TclStatDeleteProc(...)') ensure that these
- * statically declared list entry cannot be inadvertently removed.
- *
- * This method avoids the need to call any sort of "initialization" function.
- *
- * All three lists are protected by a global obsoleteFsHookMutex.
- */
-
-static StatProc *statProcList = NULL;
-static AccessProc *accessProcList = NULL;
-static OpenFileChannelProc *openFileChannelProcList = NULL;
-
-TCL_DECLARE_MUTEX(obsoleteFsHookMutex)
-
-#endif /* USE_OBSOLETE_FS_HOOKS */
-
-/*
- * Declare the native filesystem support. These functions should be considered
- * private to Tcl, and should really not be called directly by any code other
- * than this file (i.e. neither by Tcl's core nor by extensions). Similarly,
- * the old string-based Tclp... native filesystem functions should not be
- * called.
- *
- * The correct API to use now is the Tcl_FS... set of functions, which ensure
- * correct and complete virtual filesystem support.
- *
- * We cannot make all of these static, since some of them are implemented in
- * the platform-specific directories.
- */
-
-static Tcl_FSFilesystemSeparatorProc NativeFilesystemSeparator;
-static Tcl_FSFreeInternalRepProc NativeFreeInternalRep;
-static Tcl_FSFileAttrStringsProc NativeFileAttrStrings;
-static Tcl_FSFileAttrsGetProc NativeFileAttrsGet;
-static Tcl_FSFileAttrsSetProc NativeFileAttrsSet;
-
-/*
- * The only reason these functions are not static is that they are either
- * called by code in the native (win/unix) directories or they are actually
- * implemented in those directories. They should simply not be called by code
- * outside Tcl's native filesystem core i.e. they should be considered
- * 'static' to Tcl's filesystem code (if we ever built the native filesystem
- * support into a separate code library, this could actually be enforced).
- */
-
-Tcl_FSFilesystemPathTypeProc TclpFilesystemPathType;
-Tcl_FSInternalToNormalizedProc TclpNativeToNormalized;
-Tcl_FSStatProc TclpObjStat;
-Tcl_FSAccessProc TclpObjAccess;
-Tcl_FSMatchInDirectoryProc TclpMatchInDirectory;
-Tcl_FSChdirProc TclpObjChdir;
-Tcl_FSLstatProc TclpObjLstat;
-Tcl_FSCopyFileProc TclpObjCopyFile;
-Tcl_FSDeleteFileProc TclpObjDeleteFile;
-Tcl_FSRenameFileProc TclpObjRenameFile;
-Tcl_FSCreateDirectoryProc TclpObjCreateDirectory;
-Tcl_FSCopyDirectoryProc TclpObjCopyDirectory;
-Tcl_FSRemoveDirectoryProc TclpObjRemoveDirectory;
-Tcl_FSUnloadFileProc TclpUnloadFile;
-Tcl_FSLinkProc TclpObjLink;
-Tcl_FSListVolumesProc TclpObjListVolumes;
-
-/*
- * Define the native filesystem dispatch table. If necessary, it is ok to make
- * this non-static, but it should only be accessed by the functions actually
- * listed within it (or perhaps other helper functions of them). Anything
- * which is not part of this 'native filesystem implementation' should not be
- * delving inside here!
- */
-
-Tcl_Filesystem tclNativeFilesystem = {
- "native",
- sizeof(Tcl_Filesystem),
- TCL_FILESYSTEM_VERSION_2,
- &TclNativePathInFilesystem,
- &TclNativeDupInternalRep,
- &NativeFreeInternalRep,
- &TclpNativeToNormalized,
- &TclNativeCreateNativeRep,
- &TclpObjNormalizePath,
- &TclpFilesystemPathType,
- &NativeFilesystemSeparator,
- &TclpObjStat,
- &TclpObjAccess,
- &TclpOpenFileChannel,
- &TclpMatchInDirectory,
- &TclpUtime,
-#ifndef S_IFLNK
- NULL,
-#else
- &TclpObjLink,
-#endif /* S_IFLNK */
- &TclpObjListVolumes,
- &NativeFileAttrStrings,
- &NativeFileAttrsGet,
- &NativeFileAttrsSet,
- &TclpObjCreateDirectory,
- &TclpObjRemoveDirectory,
- &TclpObjDeleteFile,
- &TclpObjCopyFile,
- &TclpObjRenameFile,
- &TclpObjCopyDirectory,
- &TclpObjLstat,
- &TclpDlopen,
- /* Needs a cast since we're using version_2 */
- (Tcl_FSGetCwdProc *) &TclpGetNativeCwd,
- &TclpObjChdir
-};
-
-/*
- * Define the tail of the linked list. Note that for unconventional uses of
- * Tcl without a native filesystem, we may in the future wish to modify the
- * current approach of hard-coding the native filesystem in the lookup list
- * 'filesystemList' below.
- *
- * We initialize the record so that it thinks one file uses it. This means it
- * will never be freed.
- */
-
-static FilesystemRecord nativeFilesystemRecord = {
- NULL,
- &tclNativeFilesystem,
- NULL,
- NULL
-};
-
-/*
- * This is incremented each time we modify the linked list of filesystems. Any
- * time it changes, all cached filesystem representations are suspect and must
- * be freed. For multithreading builds, change of the filesystem epoch will
- * trigger cache cleanup in all threads.
- */
-
-static int theFilesystemEpoch = 1;
-
-/*
- * Stores the linked list of filesystems. A 1:1 copy of this list is also
- * maintained in the TSD for each thread. This is to avoid synchronization
- * issues.
- */
-
-static FilesystemRecord *filesystemList = &nativeFilesystemRecord;
-TCL_DECLARE_MUTEX(filesystemMutex)
-
-/*
- * Used to implement Tcl_FSGetCwd in a file-system independent way.
- */
-
-static Tcl_Obj* cwdPathPtr = NULL;
-static int cwdPathEpoch = 0;
-static ClientData cwdClientData = NULL;
-TCL_DECLARE_MUTEX(cwdMutex)
-
-static Tcl_ThreadDataKey fsDataKey;
-
-/*
- * One of these structures is used each time we successfully load a file from
- * a file system by way of making a temporary copy of the file on the native
- * filesystem. We need to store both the actual unloadProc/clientData
- * combination which was used, and the original and modified filenames, so
- * that we can correctly undo the entire operation when we want to unload the
- * code.
- */
-
-typedef struct FsDivertLoad {
- Tcl_LoadHandle loadHandle;
- Tcl_FSUnloadFileProc *unloadProcPtr;
- Tcl_Obj *divertedFile;
- const Tcl_Filesystem *divertedFilesystem;
- ClientData divertedFileNativeRep;
-} FsDivertLoad;
-
-/*
- * Now move on to the basic filesystem implementation
+ * Now move on to the basic filesystem implementation.
*/
static void
FsThrExitProc(
ClientData cd)
{
- ThreadSpecificData *tsdPtr = (ThreadSpecificData *) cd;
+ ThreadSpecificData *tsdPtr = cd;
FilesystemRecord *fsRecPtr = NULL, *tmpFsRecPtr = NULL;
/*
@@ -514,7 +454,7 @@ FsThrExitProc(
while (fsRecPtr != NULL) {
tmpFsRecPtr = fsRecPtr->nextPtr;
fsRecPtr->fsPtr = NULL;
- ckfree((char *)fsRecPtr);
+ ckfree(fsRecPtr);
fsRecPtr = tmpFsRecPtr;
}
tsdPtr->filesystemList = NULL;
@@ -556,7 +496,7 @@ TclFSCwdIsNative(void)
int
TclFSCwdPointerEquals(
- Tcl_Obj** pathPtrPtr)
+ Tcl_Obj **pathPtrPtr)
{
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&fsDataKey);
@@ -585,7 +525,7 @@ TclFSCwdPointerEquals(
Tcl_MutexUnlock(&cwdMutex);
if (tsdPtr->initialized == 0) {
- Tcl_CreateThreadExitHandler(FsThrExitProc, (ClientData) tsdPtr);
+ Tcl_CreateThreadExitHandler(FsThrExitProc, tsdPtr);
tsdPtr->initialized = 1;
}
@@ -601,7 +541,7 @@ TclFSCwdPointerEquals(
str1 = Tcl_GetStringFromObj(tsdPtr->cwdPathPtr, &len1);
str2 = Tcl_GetStringFromObj(*pathPtrPtr, &len2);
- if (len1 == len2 && !strcmp(str1,str2)) {
+ if ((len1 == len2) && !memcmp(str1, str2, len1)) {
/*
* They are equal, but different objects. Update so they will be
* the same object in the future.
@@ -653,7 +593,7 @@ FsRecacheFilesystemList(void)
list = NULL;
fsRecPtr = tmpFsRecPtr;
while (fsRecPtr != NULL) {
- tmpFsRecPtr = (FilesystemRecord *) ckalloc(sizeof(FilesystemRecord));
+ tmpFsRecPtr = ckalloc(sizeof(FilesystemRecord));
*tmpFsRecPtr = *fsRecPtr;
tmpFsRecPtr->nextPtr = list;
tmpFsRecPtr->prevPtr = NULL;
@@ -667,7 +607,7 @@ FsRecacheFilesystemList(void)
while (toFree) {
FilesystemRecord *next = toFree->nextPtr;
toFree->fsPtr = NULL;
- ckfree((char *)toFree);
+ ckfree(toFree);
toFree = next;
}
@@ -676,7 +616,7 @@ FsRecacheFilesystemList(void)
*/
if (tsdPtr->initialized == 0) {
- Tcl_CreateThreadExitHandler(FsThrExitProc, (ClientData) tsdPtr);
+ Tcl_CreateThreadExitHandler(FsThrExitProc, tsdPtr);
tsdPtr->initialized = 1;
}
}
@@ -705,23 +645,26 @@ TclFSEpochOk(
}
static void
-Claim()
+Claim(void)
{
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&fsDataKey);
+
tsdPtr->claims++;
}
static void
-Disclaim()
+Disclaim(void)
{
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&fsDataKey);
+
tsdPtr->claims--;
}
int
-TclFSEpoch()
+TclFSEpoch(void)
{
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&fsDataKey);
+
return tsdPtr->filesystemEpoch;
}
@@ -736,7 +679,7 @@ FsUpdateCwd(
ClientData clientData)
{
int len;
- char *str = NULL;
+ const char *str = NULL;
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&fsDataKey);
if (cwdObj != NULL) {
@@ -760,7 +703,7 @@ FsUpdateCwd(
*/
cwdPathPtr = Tcl_NewStringObj(str, len);
- Tcl_IncrRefCount(cwdPathPtr);
+ Tcl_IncrRefCount(cwdPathPtr);
cwdClientData = TclNativeDupInternalRep(clientData);
}
@@ -827,7 +770,7 @@ TclFinalizeFilesystem(void)
/*
* Remove all filesystems, freeing any allocated memory that is no longer
- * needed
+ * needed.
*/
fsRecPtr = filesystemList;
@@ -837,7 +780,7 @@ TclFinalizeFilesystem(void)
/* The native filesystem is static, so we don't free it. */
if (fsRecPtr != &nativeFilesystemRecord) {
- ckfree((char *)fsRecPtr);
+ ckfree(fsRecPtr);
}
fsRecPtr = tmpFsRecPtr;
}
@@ -849,12 +792,7 @@ TclFinalizeFilesystem(void)
* filesystem is likely to fail.
*/
-#ifdef USE_OBSOLETE_FS_HOOKS
- statProcList = NULL;
- accessProcList = NULL;
- openFileChannelProcList = NULL;
-#endif
-#ifdef __WIN32__
+#ifdef _WIN32
TclWinEncodingsCleanup();
#endif
}
@@ -881,7 +819,7 @@ TclResetFilesystem(void)
filesystemList = &nativeFilesystemRecord;
theFilesystemEpoch++;
-#ifdef __WIN32__
+#ifdef _WIN32
/*
* Cleans up the win32 API filesystem proc lookup table. This must happen
* very late in finalization so that deleting of copied dlls can occur.
@@ -923,8 +861,8 @@ TclResetFilesystem(void)
int
Tcl_FSRegister(
- ClientData clientData, /* Client specific data for this fs */
- Tcl_Filesystem *fsPtr) /* The filesystem record for the new fs. */
+ ClientData clientData, /* Client specific data for this fs. */
+ const Tcl_Filesystem *fsPtr)/* The filesystem record for the new fs. */
{
FilesystemRecord *newFilesystemPtr;
@@ -932,7 +870,7 @@ Tcl_FSRegister(
return TCL_ERROR;
}
- newFilesystemPtr = (FilesystemRecord *) ckalloc(sizeof(FilesystemRecord));
+ newFilesystemPtr = ckalloc(sizeof(FilesystemRecord));
newFilesystemPtr->clientData = clientData;
newFilesystemPtr->fsPtr = fsPtr;
@@ -996,7 +934,7 @@ Tcl_FSRegister(
int
Tcl_FSUnregister(
- Tcl_Filesystem *fsPtr) /* The filesystem record to remove. */
+ const Tcl_Filesystem *fsPtr) /* The filesystem record to remove. */
{
int retVal = TCL_ERROR;
FilesystemRecord *fsRecPtr;
@@ -1031,7 +969,7 @@ Tcl_FSUnregister(
theFilesystemEpoch++;
- ckfree((char *)fsRecPtr);
+ ckfree(fsRecPtr);
retVal = TCL_OK;
} else {
@@ -1087,7 +1025,7 @@ Tcl_FSUnregister(
int
Tcl_FSMatchInDirectory(
Tcl_Interp *interp, /* Interpreter to receive error messages, but
- * may be NULL. */
+ * may be NULL. */
Tcl_Obj *resultPtr, /* List object to receive results. */
Tcl_Obj *pathPtr, /* Contains path to directory to search. */
const char *pattern, /* Pattern to match against. */
@@ -1099,7 +1037,7 @@ Tcl_FSMatchInDirectory(
Tcl_Obj *cwd, *tmpResultPtr, **elemsPtr;
int resLength, i, ret = -1;
- if (types != NULL && types->type & TCL_GLOB_TYPE_MOUNT) {
+ if (types != NULL && (types->type & TCL_GLOB_TYPE_MOUNT)) {
/*
* We don't currently allow querying of mounts by external code (a
* valuable future step), so since we're the only function that
@@ -1126,8 +1064,8 @@ Tcl_FSMatchInDirectory(
Tcl_SetErrno(ENOENT);
return -1;
}
- ret = (*fsPtr->matchInDirectoryProc)(interp, resultPtr, pathPtr,
- pattern, types);
+ ret = fsPtr->matchInDirectoryProc(interp, resultPtr, pathPtr, pattern,
+ types);
if (ret == TCL_OK && pattern != NULL) {
FsAddMountsToGlobResult(resultPtr, pathPtr, pattern, types);
}
@@ -1136,7 +1074,7 @@ Tcl_FSMatchInDirectory(
/*
* If the path isn't empty, we have no idea how to match files in a
- * directory which belongs to no known filesystem
+ * directory which belongs to no known filesystem.
*/
if (pathPtr != NULL && TclGetString(pathPtr)[0] != '\0') {
@@ -1157,8 +1095,9 @@ Tcl_FSMatchInDirectory(
cwd = Tcl_FSGetCwd(NULL);
if (cwd == NULL) {
if (interp != NULL) {
- Tcl_SetResult(interp, "glob couldn't determine "
- "the current working directory", TCL_STATIC);
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "glob couldn't determine the current working directory",
+ -1));
}
return TCL_ERROR;
}
@@ -1167,8 +1106,8 @@ Tcl_FSMatchInDirectory(
if (fsPtr != NULL && fsPtr->matchInDirectoryProc != NULL) {
TclNewObj(tmpResultPtr);
Tcl_IncrRefCount(tmpResultPtr);
- ret = (*fsPtr->matchInDirectoryProc)(interp, tmpResultPtr, cwd,
- pattern, types);
+ ret = fsPtr->matchInDirectoryProc(interp, tmpResultPtr, cwd, pattern,
+ types);
if (ret == TCL_OK) {
FsAddMountsToGlobResult(tmpResultPtr, cwd, pattern, types);
@@ -1212,7 +1151,7 @@ static void
FsAddMountsToGlobResult(
Tcl_Obj *resultPtr, /* The current list of matching paths; must
* not be shared! */
- Tcl_Obj *pathPtr, /* The directory in question */
+ Tcl_Obj *pathPtr, /* The directory in question. */
const char *pattern, /* Pattern to match against. */
Tcl_GlobTypeData *types) /* Object containing list of acceptable types.
* May be NULL. In particular the directory
@@ -1253,7 +1192,7 @@ FsAddMountsToGlobResult(
Tcl_ListObjReplace(NULL, resultPtr, j, 1, 0, NULL);
gLength--;
}
- break; /* Break out of for loop */
+ break; /* Break out of for loop. */
}
}
if (!found && dir) {
@@ -1343,7 +1282,7 @@ FsAddMountsToGlobResult(
void
Tcl_FSMountsChanged(
- Tcl_Filesystem *fsPtr)
+ const Tcl_Filesystem *fsPtr)
{
/*
* We currently don't do anything with this parameter. We could in the
@@ -1384,7 +1323,7 @@ Tcl_FSMountsChanged(
ClientData
Tcl_FSData(
- Tcl_Filesystem *fsPtr) /* The filesystem record to query. */
+ const Tcl_Filesystem *fsPtr) /* The filesystem record to query. */
{
ClientData retVal = NULL;
FilesystemRecord *fsRecPtr = FsGetFirstFilesystem();
@@ -1438,8 +1377,8 @@ Tcl_FSData(
int
TclFSNormalizeToUniquePath(
Tcl_Interp *interp, /* Used for error messages. */
- Tcl_Obj *pathPtr, /* The path to normalize in place */
- int startAt) /* Start at this char-offset */
+ Tcl_Obj *pathPtr, /* The path to normalize in place. */
+ int startAt) /* Start at this char-offset. */
{
FilesystemRecord *fsRecPtr, *firstFsRecPtr;
@@ -1453,37 +1392,42 @@ TclFSNormalizeToUniquePath(
firstFsRecPtr = FsGetFirstFilesystem();
Claim();
- fsRecPtr = firstFsRecPtr;
- while (fsRecPtr != NULL) {
- if (fsRecPtr->fsPtr == &tclNativeFilesystem) {
- Tcl_FSNormalizePathProc *proc = fsRecPtr->fsPtr->normalizePathProc;
- if (proc != NULL) {
- startAt = (*proc)(interp, pathPtr, startAt);
- }
- break;
+ for (fsRecPtr=firstFsRecPtr; fsRecPtr!=NULL; fsRecPtr=fsRecPtr->nextPtr) {
+ if (fsRecPtr->fsPtr != &tclNativeFilesystem) {
+ continue;
}
- fsRecPtr = fsRecPtr->nextPtr;
+
+ /*
+ * TODO: Assume that we always find the native file system; it should
+ * always be there...
+ */
+
+ if (fsRecPtr->fsPtr->normalizePathProc != NULL) {
+ startAt = fsRecPtr->fsPtr->normalizePathProc(interp, pathPtr,
+ startAt);
+ }
+ break;
}
- fsRecPtr = firstFsRecPtr;
- while (fsRecPtr != NULL) {
+ for (fsRecPtr=firstFsRecPtr; fsRecPtr!=NULL; fsRecPtr=fsRecPtr->nextPtr) {
/*
* Skip the native system next time through.
*/
- if (fsRecPtr->fsPtr != &tclNativeFilesystem) {
- Tcl_FSNormalizePathProc *proc = fsRecPtr->fsPtr->normalizePathProc;
- if (proc != NULL) {
- startAt = (*proc)(interp, pathPtr, startAt);
- }
+ if (fsRecPtr->fsPtr == &tclNativeFilesystem) {
+ continue;
+ }
- /*
- * We could add an efficiency check like this:
- * if (retVal == length-of(pathPtr)) {break;}
- * but there's not much benefit.
- */
+ if (fsRecPtr->fsPtr->normalizePathProc != NULL) {
+ startAt = fsRecPtr->fsPtr->normalizePathProc(interp, pathPtr,
+ startAt);
}
- fsRecPtr = fsRecPtr->nextPtr;
+
+ /*
+ * We could add an efficiency check like this:
+ * if (retVal == length-of(pathPtr)) {break;}
+ * but there's not much benefit.
+ */
}
Disclaim();
@@ -1557,7 +1501,7 @@ TclGetOpenModeEx(
* EOF during the opening of the file. */
int *binaryPtr) /* Set this to 1 if the caller should
* configure the opened channel for binary
- * operations */
+ * operations. */
{
int mode, modeArgc, c, i, gotRW;
const char **modeArgv, *flag;
@@ -1599,7 +1543,7 @@ TclGetOpenModeEx(
default:
goto error;
}
- i=1;
+ i = 1;
while (i<3 && modeString[i]) {
if (modeString[i] == modeString[i-1]) {
goto error;
@@ -1630,8 +1574,8 @@ TclGetOpenModeEx(
*seekFlagPtr = 0;
*binaryPtr = 0;
if (interp != NULL) {
- Tcl_AppendResult(interp, "illegal access mode \"", modeString,
- "\"", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "illegal access mode \"%s\"", modeString));
}
return -1;
}
@@ -1680,10 +1624,11 @@ TclGetOpenModeEx(
mode |= O_NOCTTY;
#else
if (interp != NULL) {
- Tcl_AppendResult(interp, "access mode \"", flag,
- "\" not supported by this system", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "access mode \"%s\" not supported by this system",
+ flag));
}
- ckfree((char *) modeArgv);
+ ckfree(modeArgv);
return -1;
#endif
@@ -1692,10 +1637,11 @@ TclGetOpenModeEx(
mode |= O_NONBLOCK;
#else
if (interp != NULL) {
- Tcl_AppendResult(interp, "access mode \"", flag,
- "\" not supported by this system", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "access mode \"%s\" not supported by this system",
+ flag));
}
- ckfree((char *) modeArgv);
+ ckfree(modeArgv);
return -1;
#endif
@@ -1706,21 +1652,23 @@ TclGetOpenModeEx(
} else {
if (interp != NULL) {
- Tcl_AppendResult(interp, "invalid access mode \"", flag,
- "\": must be RDONLY, WRONLY, RDWR, APPEND, BINARY, "
- "CREAT, EXCL, NOCTTY, NONBLOCK, or TRUNC", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "invalid access mode \"%s\": must be RDONLY, WRONLY, "
+ "RDWR, APPEND, BINARY, CREAT, EXCL, NOCTTY, NONBLOCK,"
+ " or TRUNC", flag));
}
- ckfree((char *) modeArgv);
+ ckfree(modeArgv);
return -1;
}
}
- ckfree((char *) modeArgv);
+ ckfree(modeArgv);
if (!gotRW) {
if (interp != NULL) {
- Tcl_AppendResult(interp, "access mode must include either"
- " RDONLY, WRONLY, or RDWR", NULL);
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "access mode must include either RDONLY, WRONLY, or RDWR",
+ -1));
}
return -1;
}
@@ -1728,25 +1676,13 @@ TclGetOpenModeEx(
}
/*
- * Tcl_FSEvalFile is Tcl_FSEvalFileEx without encoding argument.
- */
-
-int
-Tcl_FSEvalFile(
- Tcl_Interp *interp, /* Interpreter in which to process file. */
- Tcl_Obj *pathPtr) /* Path of file to process. Tilde-substitution
- * will be performed on this name. */
-{
- return Tcl_FSEvalFileEx(interp, pathPtr, NULL);
-}
-
-/*
*----------------------------------------------------------------------
*
- * Tcl_FSEvalFileEx --
+ * Tcl_FSEvalFile, Tcl_FSEvalFileEx, TclNREvalFile --
*
* Read in a file and process the entire file as one gigantic Tcl
- * command.
+ * command. Tcl_FSEvalFile is Tcl_FSEvalFileEx without encoding argument.
+ * TclNREvalFile is an NRE-enabled version of Tcl_FSEvalFileEx.
*
* Results:
* A standard Tcl result, which is either the result of executing the
@@ -1761,6 +1697,15 @@ Tcl_FSEvalFile(
*/
int
+Tcl_FSEvalFile(
+ Tcl_Interp *interp, /* Interpreter in which to process file. */
+ Tcl_Obj *pathPtr) /* Path of file to process. Tilde-substitution
+ * will be performed on this name. */
+{
+ return Tcl_FSEvalFileEx(interp, pathPtr, NULL);
+}
+
+int
Tcl_FSEvalFileEx(
Tcl_Interp *interp, /* Interpreter in which to process file. */
Tcl_Obj *pathPtr, /* Path of file to process. Tilde-substitution
@@ -1772,7 +1717,7 @@ Tcl_FSEvalFileEx(
Tcl_StatBuf statBuf;
Tcl_Obj *oldScriptFile;
Interp *iPtr;
- char *string;
+ const char *string;
Tcl_Channel chan;
Tcl_Obj *objPtr;
@@ -1782,15 +1727,16 @@ Tcl_FSEvalFileEx(
if (Tcl_FSStat(pathPtr, &statBuf) == -1) {
Tcl_SetErrno(errno);
- Tcl_AppendResult(interp, "couldn't read file \"",
- Tcl_GetString(pathPtr), "\": ", Tcl_PosixError(interp), NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "couldn't read file \"%s\": %s",
+ Tcl_GetString(pathPtr), Tcl_PosixError(interp)));
return result;
}
chan = Tcl_FSOpenFileChannel(interp, pathPtr, "r", 0644);
- if (chan == (Tcl_Channel) NULL) {
- Tcl_ResetResult(interp);
- Tcl_AppendResult(interp, "couldn't read file \"",
- Tcl_GetString(pathPtr), "\": ", Tcl_PosixError(interp), NULL);
+ if (chan == NULL) {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "couldn't read file \"%s\": %s",
+ Tcl_GetString(pathPtr), Tcl_PosixError(interp)));
return result;
}
@@ -1816,25 +1762,32 @@ Tcl_FSEvalFileEx(
objPtr = Tcl_NewObj();
Tcl_IncrRefCount(objPtr);
- /* Try to read first character of stream, so we can
- * check for utf-8 BOM to be handled especially.
+
+ /*
+ * Try to read first character of stream, so we can check for utf-8 BOM to
+ * be handled especially.
*/
+
if (Tcl_ReadChars(chan, objPtr, 1, 0) < 0) {
Tcl_Close(interp, chan);
- Tcl_AppendResult(interp, "couldn't read file \"",
- Tcl_GetString(pathPtr), "\": ", Tcl_PosixError(interp), NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "couldn't read file \"%s\": %s",
+ Tcl_GetString(pathPtr), Tcl_PosixError(interp)));
goto end;
}
string = Tcl_GetString(objPtr);
+
/*
* If first character is not a BOM, append the remaining characters,
- * otherwise replace them [Bug 3466099].
+ * otherwise replace them. [Bug 3466099]
*/
+
if (Tcl_ReadChars(chan, objPtr, -1,
memcmp(string, "\xef\xbb\xbf", 3)) < 0) {
Tcl_Close(interp, chan);
- Tcl_AppendResult(interp, "couldn't read file \"",
- Tcl_GetString(pathPtr), "\": ", Tcl_PosixError(interp), NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "couldn't read file \"%s\": %s",
+ Tcl_GetString(pathPtr), Tcl_PosixError(interp)));
goto end;
}
@@ -1847,10 +1800,13 @@ Tcl_FSEvalFileEx(
iPtr->scriptFile = pathPtr;
Tcl_IncrRefCount(iPtr->scriptFile);
string = Tcl_GetStringFromObj(objPtr, &length);
- /* TIP #280 Force the evaluator to open a frame for a sourced
- * file. */
+
+ /*
+ * TIP #280 Force the evaluator to open a frame for a sourced file.
+ */
+
iPtr->evalFlags |= TCL_EVAL_FILE;
- result = Tcl_EvalEx(interp, string, length, 0);
+ result = TclEvalEx(interp, string, length, 0, 1, NULL, string);
/*
* Now we have to be careful; the script may have changed the
@@ -1877,13 +1833,163 @@ Tcl_FSEvalFileEx(
Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf(
"\n (file \"%.*s%s\" line %d)",
(overflow ? limit : length), pathString,
- (overflow ? "..." : ""), interp->errorLine));
+ (overflow ? "..." : ""), Tcl_GetErrorLine(interp)));
}
end:
Tcl_DecrRefCount(objPtr);
return result;
}
+
+int
+TclNREvalFile(
+ Tcl_Interp *interp, /* Interpreter in which to process file. */
+ Tcl_Obj *pathPtr, /* Path of file to process. Tilde-substitution
+ * will be performed on this name. */
+ const char *encodingName) /* If non-NULL, then use this encoding for the
+ * file. NULL means use the system encoding. */
+{
+ Tcl_StatBuf statBuf;
+ Tcl_Obj *oldScriptFile, *objPtr;
+ Interp *iPtr;
+ Tcl_Channel chan;
+ const char *string;
+
+ if (Tcl_FSGetNormalizedPath(interp, pathPtr) == NULL) {
+ return TCL_ERROR;
+ }
+
+ if (Tcl_FSStat(pathPtr, &statBuf) == -1) {
+ Tcl_SetErrno(errno);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "couldn't read file \"%s\": %s",
+ Tcl_GetString(pathPtr), Tcl_PosixError(interp)));
+ return TCL_ERROR;
+ }
+ chan = Tcl_FSOpenFileChannel(interp, pathPtr, "r", 0644);
+ if (chan == NULL) {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "couldn't read file \"%s\": %s",
+ Tcl_GetString(pathPtr), Tcl_PosixError(interp)));
+ return TCL_ERROR;
+ }
+
+ /*
+ * The eofchar is \32 (^Z). This is the usual on Windows, but we effect
+ * this cross-platform to allow for scripted documents. [Bug: 2040]
+ */
+
+ Tcl_SetChannelOption(interp, chan, "-eofchar", "\32");
+
+ /*
+ * If the encoding is specified, set it for the channel. Else don't touch
+ * it (and use the system encoding) Report error on unknown encoding.
+ */
+
+ if (encodingName != NULL) {
+ if (Tcl_SetChannelOption(interp, chan, "-encoding", encodingName)
+ != TCL_OK) {
+ Tcl_Close(interp,chan);
+ return TCL_ERROR;
+ }
+ }
+
+ objPtr = Tcl_NewObj();
+ Tcl_IncrRefCount(objPtr);
+
+ /*
+ * Try to read first character of stream, so we can check for utf-8 BOM to
+ * be handled especially.
+ */
+
+ if (Tcl_ReadChars(chan, objPtr, 1, 0) < 0) {
+ Tcl_Close(interp, chan);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "couldn't read file \"%s\": %s",
+ Tcl_GetString(pathPtr), Tcl_PosixError(interp)));
+ Tcl_DecrRefCount(objPtr);
+ return TCL_ERROR;
+ }
+ string = Tcl_GetString(objPtr);
+
+ /*
+ * If first character is not a BOM, append the remaining characters,
+ * otherwise replace them. [Bug 3466099]
+ */
+
+ if (Tcl_ReadChars(chan, objPtr, -1,
+ memcmp(string, "\xef\xbb\xbf", 3)) < 0) {
+ Tcl_Close(interp, chan);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "couldn't read file \"%s\": %s",
+ Tcl_GetString(pathPtr), Tcl_PosixError(interp)));
+ Tcl_DecrRefCount(objPtr);
+ return TCL_ERROR;
+ }
+
+ if (Tcl_Close(interp, chan) != TCL_OK) {
+ Tcl_DecrRefCount(objPtr);
+ return TCL_ERROR;
+ }
+
+ iPtr = (Interp *) interp;
+ oldScriptFile = iPtr->scriptFile;
+ iPtr->scriptFile = pathPtr;
+ Tcl_IncrRefCount(iPtr->scriptFile);
+
+ /*
+ * TIP #280: Force the evaluator to open a frame for a sourced file.
+ */
+
+ iPtr->evalFlags |= TCL_EVAL_FILE;
+ TclNRAddCallback(interp, EvalFileCallback, oldScriptFile, pathPtr, objPtr,
+ NULL);
+ return TclNREvalObjEx(interp, objPtr, 0, NULL, INT_MIN);
+}
+
+static int
+EvalFileCallback(
+ ClientData data[],
+ Tcl_Interp *interp,
+ int result)
+{
+ Interp *iPtr = (Interp *) interp;
+ Tcl_Obj *oldScriptFile = data[0];
+ Tcl_Obj *pathPtr = data[1];
+ Tcl_Obj *objPtr = data[2];
+
+ /*
+ * Now we have to be careful; the script may have changed the
+ * iPtr->scriptFile value, so we must reset it without assuming it still
+ * points to 'pathPtr'.
+ */
+
+ if (iPtr->scriptFile != NULL) {
+ Tcl_DecrRefCount(iPtr->scriptFile);
+ }
+ iPtr->scriptFile = oldScriptFile;
+
+ if (result == TCL_RETURN) {
+ result = TclUpdateReturnInfo(iPtr);
+ } else if (result == TCL_ERROR) {
+ /*
+ * Record information telling where the error occurred.
+ */
+
+ int length;
+ const char *pathString = Tcl_GetStringFromObj(pathPtr, &length);
+ const int limit = 150;
+ int overflow = (length > limit);
+
+ Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf(
+ "\n (file \"%.*s%s\" line %d)",
+ (overflow ? limit : length), pathString,
+ (overflow ? "..." : ""), Tcl_GetErrorLine(interp)));
+ }
+
+ Tcl_DecrRefCount(objPtr);
+ return result;
+}
/*
*----------------------------------------------------------------------
@@ -1907,6 +2013,11 @@ Tcl_FSEvalFileEx(
int
Tcl_GetErrno(void)
{
+ /*
+ * On some platforms, errno is really a thread local (implemented by the C
+ * library).
+ */
+
return errno;
}
@@ -1915,7 +2026,9 @@ Tcl_GetErrno(void)
*
* Tcl_SetErrno --
*
- * Sets the Tcl error code variable to the supplied value.
+ * Sets the Tcl error code variable to the supplied value. On some saner
+ * platforms this is actually a thread-local (this is implemented in the
+ * C library) but this is *really* unsafe to assume!
*
* Results:
* None.
@@ -1930,6 +2043,11 @@ void
Tcl_SetErrno(
int err) /* The new value. */
{
+ /*
+ * On some platforms, errno is really a thread local (implemented by the C
+ * library).
+ */
+
errno = err;
}
@@ -1991,72 +2109,10 @@ Tcl_FSStat(
Tcl_Obj *pathPtr, /* Path of file to stat (in current CP). */
Tcl_StatBuf *buf) /* Filled with results of stat call. */
{
- const Tcl_Filesystem *fsPtr;
-#ifdef USE_OBSOLETE_FS_HOOKS
- struct stat oldStyleStatBuffer;
- int retVal = -1;
-
- /*
- * Call each of the "stat" function in succession. A non-return value of
- * -1 indicates the particular function has succeeded.
- */
-
- Tcl_MutexLock(&obsoleteFsHookMutex);
-
- if (statProcList != NULL) {
- StatProc *statProcPtr;
- char *path;
- Tcl_Obj *transPtr = Tcl_FSGetTranslatedPath(NULL, pathPtr);
- if (transPtr == NULL) {
- path = NULL;
- } else {
- path = Tcl_GetString(transPtr);
- }
-
- statProcPtr = statProcList;
- while ((retVal == -1) && (statProcPtr != NULL)) {
- retVal = (*statProcPtr->proc)(path, &oldStyleStatBuffer);
- statProcPtr = statProcPtr->nextPtr;
- }
- if (transPtr != NULL) {
- Tcl_DecrRefCount(transPtr);
- }
- }
-
- Tcl_MutexUnlock(&obsoleteFsHookMutex);
- if (retVal != -1) {
- /*
- * Note that EOVERFLOW is not a problem here, and these assignments
- * should all be widening (if not identity.)
- */
-
- buf->st_mode = oldStyleStatBuffer.st_mode;
- buf->st_ino = oldStyleStatBuffer.st_ino;
- buf->st_dev = oldStyleStatBuffer.st_dev;
- buf->st_rdev = oldStyleStatBuffer.st_rdev;
- buf->st_nlink = oldStyleStatBuffer.st_nlink;
- buf->st_uid = oldStyleStatBuffer.st_uid;
- buf->st_gid = oldStyleStatBuffer.st_gid;
- buf->st_size = Tcl_LongAsWide(oldStyleStatBuffer.st_size);
- buf->st_atime = oldStyleStatBuffer.st_atime;
- buf->st_mtime = oldStyleStatBuffer.st_mtime;
- buf->st_ctime = oldStyleStatBuffer.st_ctime;
-#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE
- buf->st_blksize = oldStyleStatBuffer.st_blksize;
-#endif
-#ifdef HAVE_STRUCT_STAT_ST_BLOCKS
- buf->st_blocks = Tcl_LongAsWide(oldStyleStatBuffer.st_blocks);
-#endif
- return retVal;
- }
-#endif /* USE_OBSOLETE_FS_HOOKS */
+ const Tcl_Filesystem *fsPtr = Tcl_FSGetFileSystemForPath(pathPtr);
- fsPtr = Tcl_FSGetFileSystemForPath(pathPtr);
- if (fsPtr != NULL) {
- Tcl_FSStatProc *proc = fsPtr->statProc;
- if (proc != NULL) {
- return (*proc)(pathPtr, buf);
- }
+ if (fsPtr != NULL && fsPtr->statProc != NULL) {
+ return fsPtr->statProc(pathPtr, buf);
}
Tcl_SetErrno(ENOENT);
return -1;
@@ -2087,15 +2143,13 @@ Tcl_FSLstat(
Tcl_StatBuf *buf) /* Filled with results of stat call. */
{
const Tcl_Filesystem *fsPtr = Tcl_FSGetFileSystemForPath(pathPtr);
+
if (fsPtr != NULL) {
- Tcl_FSLstatProc *proc = fsPtr->lstatProc;
- if (proc != NULL) {
- return (*proc)(pathPtr, buf);
- } else {
- Tcl_FSStatProc *sproc = fsPtr->statProc;
- if (sproc != NULL) {
- return (*sproc)(pathPtr, buf);
- }
+ if (fsPtr->lstatProc != NULL) {
+ return fsPtr->lstatProc(pathPtr, buf);
+ }
+ if (fsPtr->statProc != NULL) {
+ return fsPtr->statProc(pathPtr, buf);
}
}
Tcl_SetErrno(ENOENT);
@@ -2124,51 +2178,11 @@ Tcl_FSAccess(
Tcl_Obj *pathPtr, /* Path of file to access (in current CP). */
int mode) /* Permission setting. */
{
- const Tcl_Filesystem *fsPtr;
-#ifdef USE_OBSOLETE_FS_HOOKS
- int retVal = -1;
-
- /*
- * Call each of the "access" function in succession. A non-return value of
- * -1 indicates the particular function has succeeded.
- */
-
- Tcl_MutexLock(&obsoleteFsHookMutex);
-
- if (accessProcList != NULL) {
- AccessProc *accessProcPtr;
- char *path;
- Tcl_Obj *transPtr = Tcl_FSGetTranslatedPath(NULL, pathPtr);
- if (transPtr == NULL) {
- path = NULL;
- } else {
- path = Tcl_GetString(transPtr);
- }
-
- accessProcPtr = accessProcList;
- while ((retVal == -1) && (accessProcPtr != NULL)) {
- retVal = (*accessProcPtr->proc)(path, mode);
- accessProcPtr = accessProcPtr->nextPtr;
- }
- if (transPtr != NULL) {
- Tcl_DecrRefCount(transPtr);
- }
- }
-
- Tcl_MutexUnlock(&obsoleteFsHookMutex);
- if (retVal != -1) {
- return retVal;
- }
-#endif /* USE_OBSOLETE_FS_HOOKS */
+ const Tcl_Filesystem *fsPtr = Tcl_FSGetFileSystemForPath(pathPtr);
- fsPtr = Tcl_FSGetFileSystemForPath(pathPtr);
- if (fsPtr != NULL) {
- Tcl_FSAccessProc *proc = fsPtr->accessProc;
- if (proc != NULL) {
- return (*proc)(pathPtr, mode);
- }
+ if (fsPtr != NULL && fsPtr->accessProc != NULL) {
+ return fsPtr->accessProc(pathPtr, mode);
}
-
Tcl_SetErrno(ENOENT);
return -1;
}
@@ -2204,41 +2218,6 @@ Tcl_FSOpenFileChannel(
const Tcl_Filesystem *fsPtr;
Tcl_Channel retVal = NULL;
-#ifdef USE_OBSOLETE_FS_HOOKS
- /*
- * Call each of the "Tcl_OpenFileChannel" functions in succession. A
- * non-NULL return value indicates the particular function has succeeded.
- */
-
- Tcl_MutexLock(&obsoleteFsHookMutex);
- if (openFileChannelProcList != NULL) {
- OpenFileChannelProc *openFileChannelProcPtr;
- char *path;
- Tcl_Obj *transPtr = Tcl_FSGetTranslatedPath(interp, pathPtr);
-
- if (transPtr == NULL) {
- path = NULL;
- } else {
- path = Tcl_GetString(transPtr);
- }
-
- openFileChannelProcPtr = openFileChannelProcList;
-
- while ((retVal == NULL) && (openFileChannelProcPtr != NULL)) {
- retVal = (*openFileChannelProcPtr->proc)(interp, path,
- modeString, permissions);
- openFileChannelProcPtr = openFileChannelProcPtr->nextPtr;
- }
- if (transPtr != NULL) {
- Tcl_DecrRefCount(transPtr);
- }
- }
- Tcl_MutexUnlock(&obsoleteFsHookMutex);
- if (retVal != NULL) {
- return retVal;
- }
-#endif /* USE_OBSOLETE_FS_HOOKS */
-
/*
* We need this just to ensure we return the correct error messages under
* some circumstances.
@@ -2249,49 +2228,47 @@ Tcl_FSOpenFileChannel(
}
fsPtr = Tcl_FSGetFileSystemForPath(pathPtr);
- if (fsPtr != NULL) {
- Tcl_FSOpenFileChannelProc *proc = fsPtr->openFileChannelProc;
- if (proc != NULL) {
- int mode, seekFlag, binary;
+ if (fsPtr != NULL && fsPtr->openFileChannelProc != NULL) {
+ int mode, seekFlag, binary;
- /*
- * Parse the mode, picking up whether we want to seek to start
- * with and/or set the channel automatically into binary mode.
- */
+ /*
+ * Parse the mode, picking up whether we want to seek to start with
+ * and/or set the channel automatically into binary mode.
+ */
- mode = TclGetOpenModeEx(interp, modeString, &seekFlag, &binary);
- if (mode == -1) {
- return NULL;
- }
+ mode = TclGetOpenModeEx(interp, modeString, &seekFlag, &binary);
+ if (mode == -1) {
+ return NULL;
+ }
- /*
- * Do the actual open() call.
- */
+ /*
+ * Do the actual open() call.
+ */
- retVal = (*proc)(interp, pathPtr, mode, permissions);
- if (retVal == NULL) {
- return NULL;
- }
+ retVal = fsPtr->openFileChannelProc(interp, pathPtr, mode,
+ permissions);
+ if (retVal == NULL) {
+ return NULL;
+ }
- /*
- * Apply appropriate flags parsed out above.
- */
+ /*
+ * Apply appropriate flags parsed out above.
+ */
- if (seekFlag && Tcl_Seek(retVal, (Tcl_WideInt)0,
- SEEK_END) < (Tcl_WideInt)0) {
- if (interp != NULL) {
- Tcl_AppendResult(interp, "could not seek to end "
- "of file while opening \"", Tcl_GetString(pathPtr),
- "\": ", Tcl_PosixError(interp), NULL);
- }
- Tcl_Close(NULL, retVal);
- return NULL;
- }
- if (binary) {
- Tcl_SetChannelOption(interp, retVal, "-translation", "binary");
+ if (seekFlag && Tcl_Seek(retVal, (Tcl_WideInt) 0, SEEK_END)
+ < (Tcl_WideInt) 0) {
+ if (interp != NULL) {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "could not seek to end of file while opening \"%s\": %s",
+ Tcl_GetString(pathPtr), Tcl_PosixError(interp)));
}
- return retVal;
+ Tcl_Close(NULL, retVal);
+ return NULL;
}
+ if (binary) {
+ Tcl_SetChannelOption(interp, retVal, "-translation", "binary");
+ }
+ return retVal;
}
/*
@@ -2300,8 +2277,9 @@ Tcl_FSOpenFileChannel(
Tcl_SetErrno(ENOENT);
if (interp != NULL) {
- Tcl_AppendResult(interp, "couldn't open \"", Tcl_GetString(pathPtr),
- "\": ", Tcl_PosixError(interp), NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "couldn't open \"%s\": %s",
+ Tcl_GetString(pathPtr), Tcl_PosixError(interp)));
}
return NULL;
}
@@ -2325,17 +2303,17 @@ Tcl_FSOpenFileChannel(
int
Tcl_FSUtime(
- Tcl_Obj *pathPtr, /* File to change access/modification times */
+ Tcl_Obj *pathPtr, /* File to change access/modification
+ * times. */
struct utimbuf *tval) /* Structure containing access/modification
* times to use. Should not be modified. */
{
const Tcl_Filesystem *fsPtr = Tcl_FSGetFileSystemForPath(pathPtr);
- if (fsPtr != NULL) {
- Tcl_FSUtimeProc *proc = fsPtr->utimeProc;
- if (proc != NULL) {
- return (*proc)(pathPtr, tval);
- }
+
+ if (fsPtr != NULL && fsPtr->utimeProc != NULL) {
+ return fsPtr->utimeProc(pathPtr, tval);
}
+ /* TODO: set errno here? Tcl_SetErrno(ENOENT); */
return -1;
}
@@ -2359,7 +2337,7 @@ Tcl_FSUtime(
*----------------------------------------------------------------------
*/
-static const char **
+static const char *const *
NativeFileAttrStrings(
Tcl_Obj *pathPtr,
Tcl_Obj **objPtrRef)
@@ -2396,8 +2374,7 @@ NativeFileAttrsGet(
Tcl_Obj *pathPtr, /* path of file we are operating on. */
Tcl_Obj **objPtrRef) /* for output. */
{
- return (*tclpFileAttrProcs[index].getProc)(interp, index, pathPtr,
- objPtrRef);
+ return tclpFileAttrProcs[index].getProc(interp, index, pathPtr,objPtrRef);
}
/*
@@ -2426,7 +2403,7 @@ NativeFileAttrsSet(
Tcl_Obj *pathPtr, /* path of file we are operating on. */
Tcl_Obj *objPtr) /* set to this value. */
{
- return (*tclpFileAttrProcs[index].setProc)(interp, index, pathPtr, objPtr);
+ return tclpFileAttrProcs[index].setProc(interp, index, pathPtr, objPtr);
}
/*
@@ -2453,18 +2430,15 @@ NativeFileAttrsSet(
*----------------------------------------------------------------------
*/
-const char **
+const char *const *
Tcl_FSFileAttrStrings(
Tcl_Obj *pathPtr,
Tcl_Obj **objPtrRef)
{
const Tcl_Filesystem *fsPtr = Tcl_FSGetFileSystemForPath(pathPtr);
- if (fsPtr != NULL) {
- Tcl_FSFileAttrStringsProc *proc = fsPtr->fileAttrStringsProc;
- if (proc != NULL) {
- return (*proc)(pathPtr, objPtrRef);
- }
+ if (fsPtr != NULL && fsPtr->fileAttrStringsProc != NULL) {
+ return fsPtr->fileAttrStringsProc(pathPtr, objPtrRef);
}
Tcl_SetErrno(ENOENT);
return NULL;
@@ -2495,7 +2469,7 @@ TclFSFileAttrIndex(
int *indexPtr) /* Where to write the found index. */
{
Tcl_Obj *listObj = NULL;
- const char **attrTable;
+ const char *const *attrTable;
/*
* Get the attribute table for the file.
@@ -2577,11 +2551,8 @@ Tcl_FSFileAttrsGet(
{
const Tcl_Filesystem *fsPtr = Tcl_FSGetFileSystemForPath(pathPtr);
- if (fsPtr != NULL) {
- Tcl_FSFileAttrsGetProc *proc = fsPtr->fileAttrsGetProc;
- if (proc != NULL) {
- return (*proc)(interp, index, pathPtr, objPtrRef);
- }
+ if (fsPtr != NULL && fsPtr->fileAttrsGetProc != NULL) {
+ return fsPtr->fileAttrsGetProc(interp, index, pathPtr, objPtrRef);
}
Tcl_SetErrno(ENOENT);
return -1;
@@ -2614,11 +2585,8 @@ Tcl_FSFileAttrsSet(
{
const Tcl_Filesystem *fsPtr = Tcl_FSGetFileSystemForPath(pathPtr);
- if (fsPtr != NULL) {
- Tcl_FSFileAttrsSetProc *proc = fsPtr->fileAttrsSetProc;
- if (proc != NULL) {
- return (*proc)(interp, index, pathPtr, objPtr);
- }
+ if (fsPtr != NULL && fsPtr->fileAttrsSetProc != NULL) {
+ return fsPtr->fileAttrsSetProc(interp, index, pathPtr, objPtr);
}
Tcl_SetErrno(ENOENT);
return -1;
@@ -2681,55 +2649,58 @@ Tcl_FSGetCwd(
fsRecPtr = FsGetFirstFilesystem();
Claim();
- while ((retVal == NULL) && (fsRecPtr != NULL)) {
- Tcl_FSGetCwdProc *proc = fsRecPtr->fsPtr->getCwdProc;
- if (proc != NULL) {
- if (fsRecPtr->fsPtr->version != TCL_FILESYSTEM_VERSION_1) {
- ClientData retCd;
- TclFSGetCwdProc2 *proc2 = (TclFSGetCwdProc2*)proc;
-
- retCd = (*proc2)(NULL);
- if (retCd != NULL) {
- Tcl_Obj *norm;
- /* Looks like a new current directory */
- retVal = (*fsRecPtr->fsPtr->internalToNormalizedProc)(
- retCd);
- Tcl_IncrRefCount(retVal);
- norm = TclFSNormalizeAbsolutePath(interp,retVal);
- if (norm != NULL) {
- /*
- * We found a cwd, which is now in our global
- * storage. We must make a copy. Norm already has
- * a refCount of 1.
- *
- * Threading issue: note that multiple threads at
- * system startup could in principle call this
- * function simultaneously. They will therefore
- * each set the cwdPathPtr independently. That
- * behaviour is a bit peculiar, but should be
- * fine. Once we have a cwd, we'll always be in
- * the 'else' branch below which is simpler.
- */
-
- FsUpdateCwd(norm, retCd);
- Tcl_DecrRefCount(norm);
- } else {
- (*fsRecPtr->fsPtr->freeInternalRepProc)(retCd);
- }
- Tcl_DecrRefCount(retVal);
- retVal = NULL;
- Disclaim();
- goto cdDidNotChange;
- } else if (interp != NULL) {
- Tcl_AppendResult(interp,
- "error getting working directory name: ",
- Tcl_PosixError(interp), NULL);
- }
+ for (; (retVal == NULL) && (fsRecPtr != NULL);
+ fsRecPtr = fsRecPtr->nextPtr) {
+ ClientData retCd;
+ TclFSGetCwdProc2 *proc2;
+ if (fsRecPtr->fsPtr->getCwdProc == NULL) {
+ continue;
+ }
+
+ if (fsRecPtr->fsPtr->version == TCL_FILESYSTEM_VERSION_1) {
+ retVal = fsRecPtr->fsPtr->getCwdProc(interp);
+ continue;
+ }
+
+ proc2 = (TclFSGetCwdProc2 *) fsRecPtr->fsPtr->getCwdProc;
+ retCd = proc2(NULL);
+ if (retCd != NULL) {
+ Tcl_Obj *norm;
+
+ /*
+ * Looks like a new current directory.
+ */
+
+ retVal = fsRecPtr->fsPtr->internalToNormalizedProc(retCd);
+ Tcl_IncrRefCount(retVal);
+ norm = TclFSNormalizeAbsolutePath(interp,retVal);
+ if (norm != NULL) {
+ /*
+ * We found a cwd, which is now in our global storage. We
+ * must make a copy. Norm already has a refCount of 1.
+ *
+ * Threading issue: note that multiple threads at system
+ * startup could in principle call this function
+ * simultaneously. They will therefore each set the
+ * cwdPathPtr independently. That behaviour is a bit
+ * peculiar, but should be fine. Once we have a cwd, we'll
+ * always be in the 'else' branch below which is simpler.
+ */
+
+ FsUpdateCwd(norm, retCd);
+ Tcl_DecrRefCount(norm);
} else {
- retVal = (*proc)(interp);
+ fsRecPtr->fsPtr->freeInternalRepProc(retCd);
}
+ Tcl_DecrRefCount(retVal);
+ retVal = NULL;
+ Disclaim();
+ goto cdDidNotChange;
+ } else if (interp != NULL) {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "error getting working directory name: %s",
+ Tcl_PosixError(interp)));
}
- fsRecPtr = fsRecPtr->nextPtr;
}
Disclaim();
@@ -2744,6 +2715,7 @@ Tcl_FSGetCwd(
if (retVal != NULL) {
Tcl_Obj *norm = TclFSNormalizeAbsolutePath(interp, retVal);
+
if (norm != NULL) {
/*
* We found a cwd, which is now in our global storage. We must
@@ -2758,6 +2730,7 @@ Tcl_FSGetCwd(
*/
ClientData cd = (ClientData) Tcl_FSGetNativePath(norm);
+
FsUpdateCwd(norm, TclNativeDupInternalRep(cd));
Tcl_DecrRefCount(norm);
}
@@ -2771,7 +2744,10 @@ Tcl_FSGetCwd(
* the permissions on that directory have changed.
*/
- const Tcl_Filesystem *fsPtr = Tcl_FSGetFileSystemForPath(tsdPtr->cwdPathPtr);
+ const Tcl_Filesystem *fsPtr =
+ Tcl_FSGetFileSystemForPath(tsdPtr->cwdPathPtr);
+ ClientData retCd = NULL;
+ Tcl_Obj *retVal, *norm;
/*
* If the filesystem couldn't be found, or if no cwd function exists
@@ -2782,93 +2758,98 @@ Tcl_FSGetCwd(
* (This is tested for in the test suite on unix).
*/
- if (fsPtr != NULL) {
- Tcl_FSGetCwdProc *proc = fsPtr->getCwdProc;
- ClientData retCd = NULL;
- if (proc != NULL) {
- Tcl_Obj *retVal;
- if (fsPtr->version != TCL_FILESYSTEM_VERSION_1) {
- TclFSGetCwdProc2 *proc2 = (TclFSGetCwdProc2*)proc;
-
- retCd = (*proc2)(tsdPtr->cwdClientData);
- if (retCd == NULL && interp != NULL) {
- Tcl_AppendResult(interp,
- "error getting working directory name: ",
- Tcl_PosixError(interp), NULL);
- }
+ if (fsPtr == NULL || fsPtr->getCwdProc == NULL) {
+ goto cdDidNotChange;
+ }
- if (retCd == tsdPtr->cwdClientData) {
- goto cdDidNotChange;
- }
+ if (fsPtr->version == TCL_FILESYSTEM_VERSION_1) {
+ retVal = fsPtr->getCwdProc(interp);
+ } else {
+ /*
+ * New API.
+ */
- /*
- * Looks like a new current directory.
- */
+ TclFSGetCwdProc2 *proc2 = (TclFSGetCwdProc2 *) fsPtr->getCwdProc;
- retVal = (*fsPtr->internalToNormalizedProc)(retCd);
- Tcl_IncrRefCount(retVal);
- } else {
- retVal = (*proc)(interp);
- }
- if (retVal != NULL) {
- Tcl_Obj *norm = TclFSNormalizeAbsolutePath(interp, retVal);
+ retCd = proc2(tsdPtr->cwdClientData);
+ if (retCd == NULL && interp != NULL) {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "error getting working directory name: %s",
+ Tcl_PosixError(interp)));
+ }
- /*
- * Check whether cwd has changed from the value previously
- * stored in cwdPathPtr. Really 'norm' shouldn't be NULL,
- * but we are careful.
- */
+ if (retCd == tsdPtr->cwdClientData) {
+ goto cdDidNotChange;
+ }
- if (norm == NULL) {
- /* Do nothing */
- if (retCd != NULL) {
- (*fsPtr->freeInternalRepProc)(retCd);
- }
- } else if (norm == tsdPtr->cwdPathPtr) {
- goto cdEqual;
- } else {
- /*
- * Note that both 'norm' and 'tsdPtr->cwdPathPtr' are
- * normalized paths. Therefore we can be more
- * efficient than calling 'Tcl_FSEqualPaths', and in
- * addition avoid a nasty infinite loop bug when
- * trying to normalize tsdPtr->cwdPathPtr.
- */
-
- int len1, len2;
- char *str1, *str2;
-
- str1 = Tcl_GetStringFromObj(tsdPtr->cwdPathPtr, &len1);
- str2 = Tcl_GetStringFromObj(norm, &len2);
- if ((len1 == len2) && (strcmp(str1, str2) == 0)) {
- /*
- * If the paths were equal, we can be more
- * efficient and retain the old path object which
- * will probably already be shared. In this case
- * we can simply free the normalized path we just
- * calculated.
- */
-
- cdEqual:
- Tcl_DecrRefCount(norm);
- if (retCd != NULL) {
- (*fsPtr->freeInternalRepProc)(retCd);
- }
- } else {
- FsUpdateCwd(norm, retCd);
- Tcl_DecrRefCount(norm);
- }
- }
- Tcl_DecrRefCount(retVal);
- } else {
- /*
- * The 'cwd' function returned an error; reset the cwd.
- */
+ /*
+ * Looks like a new current directory.
+ */
- FsUpdateCwd(NULL, NULL);
+ retVal = fsPtr->internalToNormalizedProc(retCd);
+ Tcl_IncrRefCount(retVal);
+ }
+
+ /*
+ * Check if the 'cwd' function returned an error; if so, reset the
+ * cwd.
+ */
+
+ if (retVal == NULL) {
+ FsUpdateCwd(NULL, NULL);
+ goto cdDidNotChange;
+ }
+
+ /*
+ * Normalize the path.
+ */
+
+ norm = TclFSNormalizeAbsolutePath(interp, retVal);
+
+ /*
+ * Check whether cwd has changed from the value previously stored in
+ * cwdPathPtr. Really 'norm' shouldn't be NULL, but we are careful.
+ */
+
+ if (norm == NULL) {
+ /* Do nothing */
+ if (retCd != NULL) {
+ fsPtr->freeInternalRepProc(retCd);
+ }
+ } else if (norm == tsdPtr->cwdPathPtr) {
+ goto cdEqual;
+ } else {
+ /*
+ * Note that both 'norm' and 'tsdPtr->cwdPathPtr' are normalized
+ * paths. Therefore we can be more efficient than calling
+ * 'Tcl_FSEqualPaths', and in addition avoid a nasty infinite loop
+ * bug when trying to normalize tsdPtr->cwdPathPtr.
+ */
+
+ int len1, len2;
+ const char *str1, *str2;
+
+ str1 = Tcl_GetStringFromObj(tsdPtr->cwdPathPtr, &len1);
+ str2 = Tcl_GetStringFromObj(norm, &len2);
+ if ((len1 == len2) && (strcmp(str1, str2) == 0)) {
+ /*
+ * If the paths were equal, we can be more efficient and
+ * retain the old path object which will probably already be
+ * shared. In this case we can simply free the normalized path
+ * we just calculated.
+ */
+
+ cdEqual:
+ Tcl_DecrRefCount(norm);
+ if (retCd != NULL) {
+ fsPtr->freeInternalRepProc(retCd);
}
+ } else {
+ FsUpdateCwd(norm, retCd);
+ Tcl_DecrRefCount(norm);
}
}
+ Tcl_DecrRefCount(retVal);
}
cdDidNotChange:
@@ -2913,14 +2894,13 @@ Tcl_FSChdir(
fsPtr = Tcl_FSGetFileSystemForPath(pathPtr);
if (fsPtr != NULL) {
- Tcl_FSChdirProc *proc = fsPtr->chdirProc;
- if (proc != NULL) {
+ if (fsPtr->chdirProc != NULL) {
/*
* If this fails, an appropriate errno will have been stored using
* 'Tcl_SetErrno()'.
*/
- retVal = (*proc)(pathPtr);
+ retVal = fsPtr->chdirProc(pathPtr);
} else {
/*
* Fallback on stat-based implementation.
@@ -2932,7 +2912,7 @@ Tcl_FSChdir(
* If the file can be stat'ed and is a directory and is readable,
* then we can chdir. If any of these actions fail, then
* 'Tcl_SetErrno()' should automatically have been called to set
- * an appropriate error code
+ * an appropriate error code.
*/
if ((Tcl_FSStat(pathPtr, &buf) == 0) && (S_ISDIR(buf.st_mode))
@@ -2954,9 +2934,7 @@ Tcl_FSChdir(
* was no error we must assume that the cwd was actually changed to the
* normalized value we calculated above, and we must therefore cache that
* information.
- */
-
- /*
+ *
* If the filesystem in question has a getCwdProc, then the correct logic
* which performs the part below is already part of the Tcl_FSGetCwd()
* call, so no need to replicate it again. This will have a side effect
@@ -3016,8 +2994,9 @@ Tcl_FSChdir(
* Assumption we are using a filesystem version 2.
*/
- TclFSGetCwdProc2 *proc2 = (TclFSGetCwdProc2*)fsPtr->getCwdProc;
- cd = (*proc2)(oldcd);
+ TclFSGetCwdProc2 *proc2 = (TclFSGetCwdProc2 *) fsPtr->getCwdProc;
+
+ cd = proc2(oldcd);
if (cd != oldcd) {
FsUpdateCwd(normDirName, cd);
}
@@ -3076,9 +3055,8 @@ Tcl_FSLoadFile(
* function which should be used for this
* file. */
{
- const char *symbols[2];
- Tcl_PackageInitProc **procPtrs[2];
- ClientData clientData;
+ const char *symbols[3];
+ void *procPtrs[2];
int res;
/*
@@ -3087,35 +3065,27 @@ Tcl_FSLoadFile(
symbols[0] = sym1;
symbols[1] = sym2;
- procPtrs[0] = proc1Ptr;
- procPtrs[1] = proc2Ptr;
+ symbols[2] = NULL;
/*
* Perform the load.
*/
- res = TclLoadFile(interp, pathPtr, 2, symbols, procPtrs, handlePtr,
- &clientData, unloadProcPtr);
-
- /*
- * Due to an unfortunate mis-design in Tcl 8.4 fs, when loading a shared
- * library, we don't keep the loadHandle (for TclpFindSymbol) and the
- * clientData (for the unloadProc) separately. In fact we effectively
- * throw away the loadHandle and only use the clientData. It just so
- * happens, for the native filesystem only, that these two are identical.
- *
- * This also means that the signatures Tcl_FSUnloadFileProc and
- * Tcl_FSLoadFileProc are both misleading.
- */
+ res = Tcl_LoadFile(interp, pathPtr, symbols, 0, procPtrs, handlePtr);
+ if (res == TCL_OK) {
+ *proc1Ptr = (Tcl_PackageInitProc *) procPtrs[0];
+ *proc2Ptr = (Tcl_PackageInitProc *) procPtrs[1];
+ } else {
+ *proc1Ptr = *proc2Ptr = NULL;
+ }
- *handlePtr = (Tcl_LoadHandle) clientData;
return res;
}
/*
*----------------------------------------------------------------------
*
- * TclLoadFile --
+ * Tcl_LoadFile --
*
* Dynamically loads a binary code file into memory and returns the
* addresses of a number of given functions within that file, if they are
@@ -3129,78 +3099,56 @@ Tcl_FSLoadFile(
* filesystems (and has other problems documented in the load man-page),
* so it is advised that full paths are always used.
*
- * This function is currently private to Tcl. It may be exported in the
- * future and its interface fixed (but we should clean up the
- * loadHandle/clientData confusion at that time -- see the above comments
- * in Tcl_FSLoadFile for details). For a public function, see
- * Tcl_FSLoadFile.
- *
* Results:
* A standard Tcl completion code. If an error occurs, an error message
* is left in the interp's result.
*
* Side effects:
* New code suddenly appears in memory. This may later be unloaded by
- * passing the clientData to the unloadProc.
+ * calling TclFS_UnloadFile.
*
*----------------------------------------------------------------------
*/
-typedef int (Tcl_FSLoadFileProc2) (Tcl_Interp *interp, Tcl_Obj *pathPtr,
- Tcl_LoadHandle *handlePtr, Tcl_FSUnloadFileProc **unloadProcPtr, int flags);
-
int
-TclLoadFile(
+Tcl_LoadFile(
Tcl_Interp *interp, /* Used for error reporting. */
Tcl_Obj *pathPtr, /* Name of the file containing the desired
* code. */
- int symc, /* Number of symbols/procPtrs in the next two
- * arrays. */
- const char *symbols[], /* Names of functions to look up in the file's
+ const char *const symbols[],/* Names of functions to look up in the file's
* symbol table. */
- Tcl_PackageInitProc **procPtrs[],
- /* Where to return the addresses corresponding
+ int flags, /* Flags */
+ void *procVPtrs, /* Where to return the addresses corresponding
* to symbols[]. */
- Tcl_LoadHandle *handlePtr, /* Filled with token for shared library
+ Tcl_LoadHandle *handlePtr) /* Filled with token for shared library
* information which can be used in
* TclpFindSymbol. */
- ClientData *clientDataPtr, /* Filled with token for dynamically loaded
- * file which will be passed back to
- * (*unloadProcPtr)() to unload the file. */
- Tcl_FSUnloadFileProc **unloadProcPtr)
- /* Filled with address of Tcl_FSUnloadFileProc
- * function which should be used for this
- * file. */
{
+ void **procPtrs = (void **) procVPtrs;
const Tcl_Filesystem *fsPtr = Tcl_FSGetFileSystemForPath(pathPtr);
- Tcl_FSLoadFileProc *proc;
- Tcl_Filesystem *copyFsPtr;
+ const Tcl_Filesystem *copyFsPtr;
+ Tcl_FSUnloadFileProc *unloadProcPtr;
Tcl_Obj *copyToPtr;
Tcl_LoadHandle newLoadHandle = NULL;
- ClientData newClientData = NULL;
+ Tcl_LoadHandle divertedLoadHandle = NULL;
Tcl_FSUnloadFileProc *newUnloadProcPtr = NULL;
FsDivertLoad *tvdlPtr;
int retVal;
+ int i;
if (fsPtr == NULL) {
Tcl_SetErrno(ENOENT);
return TCL_ERROR;
}
- proc = fsPtr->loadFileProc;
- if (proc != NULL) {
- int retVal = ((Tcl_FSLoadFileProc2 *)proc)
- (interp, pathPtr, handlePtr, unloadProcPtr, 0);
+ if (fsPtr->loadFileProc != NULL) {
+ int retVal = ((Tcl_FSLoadFileProc2 *)(fsPtr->loadFileProc))
+ (interp, pathPtr, handlePtr, &unloadProcPtr, flags);
+
if (retVal == TCL_OK) {
if (*handlePtr == NULL) {
return TCL_ERROR;
}
-
- /*
- * Copy this across, since both are equal for the native fs.
- */
-
- *clientDataPtr = (ClientData)*handlePtr;
Tcl_ResetResult(interp);
goto resolveSymbols;
}
@@ -3217,8 +3165,9 @@ TclLoadFile(
*/
if (Tcl_FSAccess(pathPtr, R_OK) != 0) {
- Tcl_AppendResult(interp, "couldn't load library \"",
- Tcl_GetString(pathPtr), "\": ", Tcl_PosixError(interp), NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "couldn't load library \"%s\": %s",
+ Tcl_GetString(pathPtr), Tcl_PosixError(interp)));
return TCL_ERROR;
}
@@ -3260,26 +3209,23 @@ TclLoadFile(
ret = Tcl_Read(data, buffer, size);
Tcl_Close(interp, data);
ret = TclpLoadMemory(interp, buffer, size, ret, handlePtr,
- unloadProcPtr);
+ &unloadProcPtr, flags);
if (ret == TCL_OK && *handlePtr != NULL) {
- *clientDataPtr = (ClientData) *handlePtr;
goto resolveSymbols;
}
}
mustCopyToTempAnyway:
Tcl_ResetResult(interp);
-#endif
+#endif /* TCL_LOAD_FROM_MEMORY */
/*
* Get a temporary filename to use, first to copy the file into, and then
* to load.
*/
- copyToPtr = TclpTempFileName();
+ copyToPtr = TclpTempFileNameForLibrary(interp, pathPtr);
if (copyToPtr == NULL) {
- Tcl_AppendResult(interp, "couldn't create temporary file: ",
- Tcl_PosixError(interp), NULL);
return TCL_ERROR;
}
Tcl_IncrRefCount(copyToPtr);
@@ -3294,7 +3240,8 @@ TclLoadFile(
Tcl_FSDeleteFile(copyToPtr);
Tcl_DecrRefCount(copyToPtr);
- Tcl_AppendResult(interp, "couldn't load from current filesystem",NULL);
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "couldn't load from current filesystem", -1));
return TCL_ERROR;
}
@@ -3308,7 +3255,7 @@ TclLoadFile(
return TCL_ERROR;
}
-#if !defined(__WIN32__)
+#ifndef _WIN32
/*
* Do we need to set appropriate permissions on the file? This may be
* required on some systems. On Unix we could loop over the file
@@ -3336,8 +3283,8 @@ TclLoadFile(
Tcl_ResetResult(interp);
- retVal = TclLoadFile(interp, copyToPtr, symc, symbols, procPtrs,
- &newLoadHandle, &newClientData, &newUnloadProcPtr);
+ retVal = Tcl_LoadFile(interp, copyToPtr, symbols, flags, procPtrs,
+ &newLoadHandle);
if (retVal != TCL_OK) {
/*
* The file didn't load successfully.
@@ -3363,9 +3310,7 @@ TclLoadFile(
* handle and unload proc ptr.
*/
- (*handlePtr) = newLoadHandle;
- (*clientDataPtr) = newClientData;
- (*unloadProcPtr) = newUnloadProcPtr;
+ *handlePtr = newLoadHandle;
Tcl_ResetResult(interp);
return TCL_OK;
}
@@ -3375,7 +3320,7 @@ TclLoadFile(
* unload and cleanup the temporary file correctly.
*/
- tvdlPtr = (FsDivertLoad *) ckalloc(sizeof(FsDivertLoad));
+ tvdlPtr = ckalloc(sizeof(FsDivertLoad));
/*
* Remember three pieces of information. This allows us to cleanup the
@@ -3420,20 +3365,36 @@ TclLoadFile(
}
copyToPtr = NULL;
- (*handlePtr) = newLoadHandle;
- (*clientDataPtr) = (ClientData) tvdlPtr;
- (*unloadProcPtr) = TclFSUnloadTempFile;
+
+ divertedLoadHandle = ckalloc(sizeof(struct Tcl_LoadHandle_));
+ divertedLoadHandle->clientData = tvdlPtr;
+ divertedLoadHandle->findSymbolProcPtr = DivertFindSymbol;
+ divertedLoadHandle->unloadFileProcPtr = DivertUnloadFile;
+ *handlePtr = divertedLoadHandle;
Tcl_ResetResult(interp);
return retVal;
resolveSymbols:
- {
- int i;
+ /*
+ * At this point, *handlePtr is already set up to the handle for the
+ * loaded library. We now try to resolve the symbols.
+ */
+
+ if (symbols != NULL) {
+ for (i=0 ; symbols[i] != NULL; i++) {
+ procPtrs[i] = Tcl_FindSymbol(interp, *handlePtr, symbols[i]);
+ if (procPtrs[i] == NULL) {
+ /*
+ * At least one symbol in the list was not found. Unload the
+ * file, and report the problem back to the caller.
+ * (Tcl_FindSymbol should already have left an appropriate
+ * error message.)
+ */
- for (i=0 ; i<symc ; i++) {
- if (symbols[i] != NULL) {
- *procPtrs[i] = TclpFindSymbol(interp, *handlePtr, symbols[i]);
+ (*handlePtr)->unloadFileProcPtr(*handlePtr);
+ *handlePtr = NULL;
+ return TCL_ERROR;
}
}
}
@@ -3441,7 +3402,196 @@ TclLoadFile(
}
/*
- *---------------------------------------------------------------------------
+ *----------------------------------------------------------------------
+ *
+ * DivertFindSymbol --
+ *
+ * Find a symbol in a shared library loaded by copy-from-VFS.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static void *
+DivertFindSymbol(
+ Tcl_Interp *interp, /* Tcl interpreter */
+ Tcl_LoadHandle loadHandle, /* Handle to the diverted module */
+ const char *symbol) /* Symbol to resolve */
+{
+ FsDivertLoad *tvdlPtr = (FsDivertLoad *) loadHandle->clientData;
+ Tcl_LoadHandle originalHandle = tvdlPtr->loadHandle;
+
+ return originalHandle->findSymbolProcPtr(interp, originalHandle, symbol);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * DivertUnloadFile --
+ *
+ * Unloads a file that has been loaded by copying from VFS to the native
+ * filesystem.
+ *
+ * Parameters:
+ * loadHandle -- Handle of the file to unload
+ *
+ *----------------------------------------------------------------------
+ */
+
+static void
+DivertUnloadFile(
+ Tcl_LoadHandle loadHandle)
+{
+ FsDivertLoad *tvdlPtr = (FsDivertLoad *) loadHandle->clientData;
+ Tcl_LoadHandle originalHandle;
+
+ /*
+ * This test should never trigger, since we give the client data in the
+ * function above.
+ */
+
+ if (tvdlPtr == NULL) {
+ return;
+ }
+ originalHandle = tvdlPtr->loadHandle;
+
+ /*
+ * Call the real 'unloadfile' proc we actually used. It is very important
+ * that we call this first, so that the shared library is actually
+ * unloaded by the OS. Otherwise, the following 'delete' may well fail
+ * because the shared library is still in use.
+ */
+
+ originalHandle->unloadFileProcPtr(originalHandle);
+
+ /*
+ * What filesystem contains the temp copy of the library?
+ */
+
+ if (tvdlPtr->divertedFilesystem == NULL) {
+ /*
+ * It was the native filesystem, and we have a special function
+ * available just for this purpose, which we know works even at this
+ * late stage.
+ */
+
+ TclpDeleteFile(tvdlPtr->divertedFileNativeRep);
+ NativeFreeInternalRep(tvdlPtr->divertedFileNativeRep);
+ } else {
+ /*
+ * Remove the temporary file we created. Note, we may crash here
+ * because encodings have been taken down already.
+ */
+
+ if (tvdlPtr->divertedFilesystem->deleteFileProc(tvdlPtr->divertedFile)
+ != TCL_OK) {
+ /*
+ * The above may have failed because the filesystem, or something
+ * it depends upon (e.g. encodings) have been taken down because
+ * Tcl is exiting.
+ *
+ * We may need to work out how to delete this file more robustly
+ * (or give the filesystem the information it needs to delete the
+ * file more robustly).
+ *
+ * In particular, one problem might be that the filesystem cannot
+ * extract the information it needs from the above path object
+ * because Tcl's entire filesystem apparatus (the code in this
+ * file) has been finalized, and it refuses to pass the internal
+ * representation to the filesystem.
+ */
+ }
+
+ /*
+ * And free up the allocations. This will also of course remove a
+ * refCount from the Tcl_Filesystem to which this file belongs, which
+ * could then free up the filesystem if we are exiting.
+ */
+
+ Tcl_DecrRefCount(tvdlPtr->divertedFile);
+ }
+
+ ckfree(tvdlPtr);
+ ckfree(loadHandle);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tcl_FindSymbol --
+ *
+ * Find a symbol in a loaded library
+ *
+ * Results:
+ * Returns a pointer to the symbol if found. If not found, returns NULL
+ * and leaves an error message in the interpreter result.
+ *
+ * This function was once filesystem-specific, but has been made portable by
+ * having TclpDlopen return a structure that includes procedure pointers.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void *
+Tcl_FindSymbol(
+ Tcl_Interp *interp, /* Tcl interpreter */
+ Tcl_LoadHandle loadHandle, /* Handle to the loaded library */
+ const char *symbol) /* Name of the symbol to resolve */
+{
+ return loadHandle->findSymbolProcPtr(interp, loadHandle, symbol);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tcl_FSUnloadFile --
+ *
+ * Unloads a library given its handle. Checks first that the library
+ * supports unloading.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+Tcl_FSUnloadFile(
+ Tcl_Interp *interp, /* Tcl interpreter */
+ Tcl_LoadHandle handle) /* Handle of the file to unload */
+{
+ if (handle->unloadFileProcPtr == NULL) {
+ if (interp != NULL) {
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "cannot unload: filesystem does not support unloading",
+ -1));
+ }
+ return TCL_ERROR;
+ }
+ TclpUnloadFile(handle);
+ return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TclpUnloadFile --
+ *
+ * Unloads a library given its handle
+ *
+ * This function was once filesystem-specific, but has been made portable by
+ * having TclpDlopen return a structure that includes procedure pointers.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TclpUnloadFile(
+ Tcl_LoadHandle handle)
+{
+ if (handle->unloadFileProcPtr != NULL) {
+ handle->unloadFileProcPtr(handle);
+ }
+}
+
+/*
+ *----------------------------------------------------------------------
*
* TclFSUnloadTempFile --
*
@@ -3456,7 +3606,7 @@ TclLoadFile(
* The effects of the 'unload' function called, and of course the
* temporary file will be deleted.
*
- *---------------------------------------------------------------------------
+ *----------------------------------------------------------------------
*/
void
@@ -3484,7 +3634,7 @@ TclFSUnloadTempFile(
*/
if (tvdlPtr->unloadProcPtr != NULL) {
- (*tvdlPtr->unloadProcPtr)(tvdlPtr->loadHandle);
+ tvdlPtr->unloadProcPtr(tvdlPtr->loadHandle);
}
if (tvdlPtr->divertedFilesystem == NULL) {
@@ -3496,7 +3646,6 @@ TclFSUnloadTempFile(
TclpDeleteFile(tvdlPtr->divertedFileNativeRep);
NativeFreeInternalRep(tvdlPtr->divertedFileNativeRep);
-
} else {
/*
* Remove the temporary file we created. Note, we may crash here
@@ -3531,7 +3680,7 @@ TclFSUnloadTempFile(
Tcl_DecrRefCount(tvdlPtr->divertedFile);
}
- ckfree((char*)tvdlPtr);
+ ckfree(tvdlPtr);
}
/*
@@ -3569,18 +3718,14 @@ TclFSUnloadTempFile(
Tcl_Obj *
Tcl_FSLink(
- Tcl_Obj *pathPtr, /* Path of file to readlink or link */
- Tcl_Obj *toPtr, /* NULL or path to be linked to */
- int linkAction) /* Action to perform */
+ Tcl_Obj *pathPtr, /* Path of file to readlink or link. */
+ Tcl_Obj *toPtr, /* NULL or path to be linked to. */
+ int linkAction) /* Action to perform. */
{
const Tcl_Filesystem *fsPtr = Tcl_FSGetFileSystemForPath(pathPtr);
- if (fsPtr != NULL) {
- Tcl_FSLinkProc *proc = fsPtr->linkProc;
-
- if (proc != NULL) {
- return (*proc)(pathPtr, toPtr, linkAction);
- }
+ if (fsPtr != NULL && fsPtr->linkProc != NULL) {
+ return fsPtr->linkProc(pathPtr, toPtr, linkAction);
}
/*
@@ -3592,7 +3737,7 @@ Tcl_FSLink(
*/
#ifndef S_IFLNK
- errno = EINVAL;
+ errno = EINVAL; /* TODO: Change to Tcl_SetErrno()? */
#else
Tcl_SetErrno(ENOENT);
#endif /* S_IFLNK */
@@ -3624,7 +3769,7 @@ Tcl_FSLink(
*---------------------------------------------------------------------------
*/
-Tcl_Obj*
+Tcl_Obj *
Tcl_FSListVolumes(void)
{
FilesystemRecord *fsRecPtr;
@@ -3640,9 +3785,9 @@ Tcl_FSListVolumes(void)
fsRecPtr = FsGetFirstFilesystem();
Claim();
while (fsRecPtr != NULL) {
- Tcl_FSListVolumesProc *proc = fsRecPtr->fsPtr->listVolumesProc;
- if (proc != NULL) {
- Tcl_Obj *thisFsVolumes = (*proc)();
+ if (fsRecPtr->fsPtr->listVolumesProc != NULL) {
+ Tcl_Obj *thisFsVolumes = fsRecPtr->fsPtr->listVolumesProc();
+
if (thisFsVolumes != NULL) {
Tcl_ListObjAppendList(NULL, resultPtr, thisFsVolumes);
Tcl_DecrRefCount(thisFsVolumes);
@@ -3692,15 +3837,13 @@ FsListMounts(
fsRecPtr = FsGetFirstFilesystem();
Claim();
while (fsRecPtr != NULL) {
- if (fsRecPtr->fsPtr != &tclNativeFilesystem) {
- Tcl_FSMatchInDirectoryProc *proc =
- fsRecPtr->fsPtr->matchInDirectoryProc;
- if (proc != NULL) {
- if (resultPtr == NULL) {
- resultPtr = Tcl_NewObj();
- }
- (*proc)(NULL, resultPtr, pathPtr, pattern, &mountsOnly);
+ if (fsRecPtr->fsPtr != &tclNativeFilesystem &&
+ fsRecPtr->fsPtr->matchInDirectoryProc != NULL) {
+ if (resultPtr == NULL) {
+ resultPtr = Tcl_NewObj();
}
+ fsRecPtr->fsPtr->matchInDirectoryProc(NULL, resultPtr, pathPtr,
+ pattern, &mountsOnly);
}
fsRecPtr = fsRecPtr->nextPtr;
}
@@ -3735,10 +3878,10 @@ Tcl_FSSplitPath(
int *lenPtr) /* int to store number of path elements. */
{
Tcl_Obj *result = NULL; /* Needed only to prevent gcc warnings. */
- Tcl_Filesystem *fsPtr;
+ const Tcl_Filesystem *fsPtr;
char separator = '/';
int driveNameLength;
- char *p;
+ const char *p;
/*
* Perform platform specific splitting.
@@ -3758,7 +3901,8 @@ Tcl_FSSplitPath(
*/
if (fsPtr->filesystemSeparatorProc != NULL) {
- Tcl_Obj *sep = (*fsPtr->filesystemSeparatorProc)(pathPtr);
+ Tcl_Obj *sep = fsPtr->filesystemSeparatorProc(pathPtr);
+
if (sep != NULL) {
Tcl_IncrRefCount(sep);
separator = Tcl_GetString(sep)[0];
@@ -3783,14 +3927,16 @@ Tcl_FSSplitPath(
*/
for (;;) {
- char *elementStart = p;
+ const char *elementStart = p;
int length;
+
while ((*p != '\0') && (*p != separator)) {
p++;
}
length = p - elementStart;
if (length > 0) {
Tcl_Obj *nextElt;
+
if (elementStart[0] == '~') {
TclNewLiteralStringObj(nextElt, "./");
Tcl_AppendToObj(nextElt, elementStart, length);
@@ -3813,7 +3959,6 @@ Tcl_FSSplitPath(
}
return result;
}
-
/*
*----------------------------------------------------------------------
*
@@ -3835,8 +3980,8 @@ Tcl_FSSplitPath(
Tcl_PathType
TclGetPathType(
- Tcl_Obj *pathPtr, /* Path to determine type for */
- Tcl_Filesystem **filesystemPtrPtr,
+ Tcl_Obj *pathPtr, /* Path to determine type for. */
+ const Tcl_Filesystem **filesystemPtrPtr,
/* If absolute path and this is not NULL, then
* set to the filesystem which claims this
* path. */
@@ -3850,11 +3995,9 @@ TclGetPathType(
* caller. */
{
int pathLen;
- char *path;
+ const char *path = Tcl_GetStringFromObj(pathPtr, &pathLen);
Tcl_PathType type;
- path = Tcl_GetStringFromObj(pathPtr, &pathLen);
-
type = TclFSNonnativePathType(path, pathLen, filesystemPtrPtr,
driveNameLengthPtr, driveNameRef);
@@ -3892,9 +4035,9 @@ TclGetPathType(
Tcl_PathType
TclFSNonnativePathType(
- const char *path, /* Path to determine type for */
- int pathLen, /* Length of the path */
- Tcl_Filesystem **filesystemPtrPtr,
+ const char *path, /* Path to determine type for. */
+ int pathLen, /* Length of the path. */
+ const Tcl_Filesystem **filesystemPtrPtr,
/* If absolute path and this is not NULL, then
* set to the filesystem which claims this
* path. */
@@ -3919,39 +4062,37 @@ TclFSNonnativePathType(
fsRecPtr = FsGetFirstFilesystem();
Claim();
while (fsRecPtr != NULL) {
- Tcl_FSListVolumesProc *proc = fsRecPtr->fsPtr->listVolumesProc;
-
/*
* We want to skip the native filesystem in this loop because
- * otherwise we won't necessarily pass all the Tcl testsuite -- this
- * is because some of the tests artificially change the current
- * platform (between win, unix) but the list of volumes we get by
- * calling (*proc) will reflect the current (real) platform only and
- * this may cause some tests to fail. In particular, on unix '/' will
- * match the beginning of certain absolute Windows paths starting '//'
- * and those tests will go wrong.
+ * otherwise we won't necessarily pass all the Tcl testsuite - this is
+ * because some of the tests artificially change the current platform
+ * (between win, unix) but the list of volumes we get by calling
+ * fsRecPtr->fsPtr->listVolumesProc will reflect the current (real)
+ * platform only and this may cause some tests to fail. In particular,
+ * on Unix '/' will match the beginning of certain absolute Windows
+ * paths starting '//' and those tests will go wrong.
*
* Besides these test-suite issues, there is one other reason to skip
- * the native filesystem --- since the tclFilename.c code has nice
- * fast 'absolute path' checkers, we don't want to waste time
- * repeating that effort here, and this function is actually called
- * quite often, so if we can save the overhead of the native
- * filesystem returning us a list of volumes all the time, it is
- * better.
+ * the native filesystem - since the tclFilename.c code has nice fast
+ * 'absolute path' checkers, we don't want to waste time repeating
+ * that effort here, and this function is actually called quite often,
+ * so if we can save the overhead of the native filesystem returning
+ * us a list of volumes all the time, it is better.
*/
- if ((fsRecPtr->fsPtr != &tclNativeFilesystem) && (proc != NULL)) {
+ if ((fsRecPtr->fsPtr != &tclNativeFilesystem)
+ && (fsRecPtr->fsPtr->listVolumesProc != NULL)) {
int numVolumes;
- Tcl_Obj *thisFsVolumes = (*proc)();
+ Tcl_Obj *thisFsVolumes = fsRecPtr->fsPtr->listVolumesProc();
if (thisFsVolumes != NULL) {
if (Tcl_ListObjLength(NULL, thisFsVolumes, &numVolumes)
!= TCL_OK) {
/*
- * This is VERY bad; the Tcl_FSListVolumesProc didn't
- * return a valid list. Set numVolumes to -1 so that we
- * skip the while loop below and just return with the
- * current value of 'type'.
+ * This is VERY bad; the listVolumesProc didn't return a
+ * valid list. Set numVolumes to -1 so that we skip the
+ * while loop below and just return with the current value
+ * of 'type'.
*
* It would be better if we could signal an error here
* (but Tcl_Panic seems a bit excessive).
@@ -3962,7 +4103,7 @@ TclFSNonnativePathType(
while (numVolumes > 0) {
Tcl_Obj *vol;
int len;
- char *strVol;
+ const char *strVol;
numVolumes--;
Tcl_ListObjIndex(NULL, thisFsVolumes, numVolumes, &vol);
@@ -3990,6 +4131,7 @@ TclFSNonnativePathType(
/*
* We don't need to examine any more filesystems.
*/
+
break;
}
}
@@ -4020,21 +4162,20 @@ TclFSNonnativePathType(
int
Tcl_FSRenameFile(
- Tcl_Obj* srcPathPtr, /* Pathname of file or dir to be renamed
+ Tcl_Obj *srcPathPtr, /* Pathname of file or dir to be renamed
* (UTF-8). */
Tcl_Obj *destPathPtr) /* New pathname of file or directory
* (UTF-8). */
{
int retVal = -1;
const Tcl_Filesystem *fsPtr, *fsPtr2;
+
fsPtr = Tcl_FSGetFileSystemForPath(srcPathPtr);
fsPtr2 = Tcl_FSGetFileSystemForPath(destPathPtr);
- if ((fsPtr == fsPtr2) && (fsPtr != NULL)) {
- Tcl_FSRenameFileProc *proc = fsPtr->renameFileProc;
- if (proc != NULL) {
- retVal = (*proc)(srcPathPtr, destPathPtr);
- }
+ if ((fsPtr == fsPtr2) && (fsPtr != NULL)
+ && (fsPtr->renameFileProc != NULL)) {
+ retVal = fsPtr->renameFileProc(srcPathPtr, destPathPtr);
}
if (retVal == -1) {
Tcl_SetErrno(EXDEV);
@@ -4071,14 +4212,12 @@ Tcl_FSCopyFile(
{
int retVal = -1;
const Tcl_Filesystem *fsPtr, *fsPtr2;
+
fsPtr = Tcl_FSGetFileSystemForPath(srcPathPtr);
fsPtr2 = Tcl_FSGetFileSystemForPath(destPathPtr);
- if (fsPtr == fsPtr2 && fsPtr != NULL) {
- Tcl_FSCopyFileProc *proc = fsPtr->copyFileProc;
- if (proc != NULL) {
- retVal = (*proc)(srcPathPtr, destPathPtr);
- }
+ if (fsPtr == fsPtr2 && fsPtr != NULL && fsPtr->copyFileProc != NULL) {
+ retVal = fsPtr->copyFileProc(srcPathPtr, destPathPtr);
}
if (retVal == -1) {
Tcl_SetErrno(EXDEV);
@@ -4103,9 +4242,10 @@ Tcl_FSCopyFile(
*
*---------------------------------------------------------------------------
*/
+
int
TclCrossFilesystemCopy(
- Tcl_Interp *interp, /* For error messages */
+ Tcl_Interp *interp, /* For error messages. */
Tcl_Obj *source, /* Pathname of file to be copied (UTF-8). */
Tcl_Obj *target) /* Pathname of file to copy to (UTF-8). */
{
@@ -4185,11 +4325,9 @@ Tcl_FSDeleteFile(
Tcl_Obj *pathPtr) /* Pathname of file to be removed (UTF-8). */
{
const Tcl_Filesystem *fsPtr = Tcl_FSGetFileSystemForPath(pathPtr);
- if (fsPtr != NULL) {
- Tcl_FSDeleteFileProc *proc = fsPtr->deleteFileProc;
- if (proc != NULL) {
- return (*proc)(pathPtr);
- }
+
+ if (fsPtr != NULL && fsPtr->deleteFileProc != NULL) {
+ return fsPtr->deleteFileProc(pathPtr);
}
Tcl_SetErrno(ENOENT);
return -1;
@@ -4217,11 +4355,9 @@ Tcl_FSCreateDirectory(
Tcl_Obj *pathPtr) /* Pathname of directory to create (UTF-8). */
{
const Tcl_Filesystem *fsPtr = Tcl_FSGetFileSystemForPath(pathPtr);
- if (fsPtr != NULL) {
- Tcl_FSCreateDirectoryProc *proc = fsPtr->createDirectoryProc;
- if (proc != NULL) {
- return (*proc)(pathPtr);
- }
+
+ if (fsPtr != NULL && fsPtr->createDirectoryProc != NULL) {
+ return fsPtr->createDirectoryProc(pathPtr);
}
Tcl_SetErrno(ENOENT);
return -1;
@@ -4247,7 +4383,7 @@ Tcl_FSCreateDirectory(
int
Tcl_FSCopyDirectory(
- Tcl_Obj* srcPathPtr, /* Pathname of directory to be copied
+ Tcl_Obj *srcPathPtr, /* Pathname of directory to be copied
* (UTF-8). */
Tcl_Obj *destPathPtr, /* Pathname of target directory (UTF-8). */
Tcl_Obj **errorPtr) /* If non-NULL, then will be set to a new
@@ -4256,14 +4392,12 @@ Tcl_FSCopyDirectory(
{
int retVal = -1;
const Tcl_Filesystem *fsPtr, *fsPtr2;
+
fsPtr = Tcl_FSGetFileSystemForPath(srcPathPtr);
fsPtr2 = Tcl_FSGetFileSystemForPath(destPathPtr);
- if (fsPtr == fsPtr2 && fsPtr != NULL) {
- Tcl_FSCopyDirectoryProc *proc = fsPtr->copyDirectoryProc;
- if (proc != NULL) {
- retVal = (*proc)(srcPathPtr, destPathPtr, errorPtr);
- }
+ if (fsPtr == fsPtr2 && fsPtr != NULL && fsPtr->copyDirectoryProc != NULL){
+ retVal = fsPtr->copyDirectoryProc(srcPathPtr, destPathPtr, errorPtr);
}
if (retVal == -1) {
Tcl_SetErrno(EXDEV);
@@ -4300,45 +4434,46 @@ Tcl_FSRemoveDirectory(
* error, with refCount 1. */
{
const Tcl_Filesystem *fsPtr = Tcl_FSGetFileSystemForPath(pathPtr);
- if (fsPtr != NULL && fsPtr->removeDirectoryProc != NULL) {
- Tcl_FSRemoveDirectoryProc *proc = fsPtr->removeDirectoryProc;
- if (recursive) {
- /*
- * We check whether the cwd lies inside this directory and move it
- * if it does.
- */
- Tcl_Obj *cwdPtr = Tcl_FSGetCwd(NULL);
+ if (fsPtr == NULL || fsPtr->removeDirectoryProc == NULL) {
+ Tcl_SetErrno(ENOENT);
+ return -1;
+ }
+
+ /*
+ * When working recursively, we check whether the cwd lies inside this
+ * directory and move it if it does.
+ */
+
+ if (recursive) {
+ Tcl_Obj *cwdPtr = Tcl_FSGetCwd(NULL);
- if (cwdPtr != NULL) {
- char *cwdStr, *normPathStr;
- int cwdLen, normLen;
- Tcl_Obj *normPath = Tcl_FSGetNormalizedPath(NULL, pathPtr);
+ if (cwdPtr != NULL) {
+ const char *cwdStr, *normPathStr;
+ int cwdLen, normLen;
+ Tcl_Obj *normPath = Tcl_FSGetNormalizedPath(NULL, pathPtr);
- if (normPath != NULL) {
- normPathStr = Tcl_GetStringFromObj(normPath, &normLen);
- cwdStr = Tcl_GetStringFromObj(cwdPtr, &cwdLen);
- if ((cwdLen >= normLen) && (strncmp(normPathStr, cwdStr,
- (size_t) normLen) == 0)) {
- /*
- * The cwd is inside the directory, so we perform a
- * 'cd [file dirname $path]'.
- */
+ if (normPath != NULL) {
+ normPathStr = Tcl_GetStringFromObj(normPath, &normLen);
+ cwdStr = Tcl_GetStringFromObj(cwdPtr, &cwdLen);
+ if ((cwdLen >= normLen) && (strncmp(normPathStr, cwdStr,
+ (size_t) normLen) == 0)) {
+ /*
+ * The cwd is inside the directory, so we perform a 'cd
+ * [file dirname $path]'.
+ */
- Tcl_Obj *dirPtr = TclPathPart(NULL, pathPtr,
- TCL_PATH_DIRNAME);
+ Tcl_Obj *dirPtr = TclPathPart(NULL, pathPtr,
+ TCL_PATH_DIRNAME);
- Tcl_FSChdir(dirPtr);
- Tcl_DecrRefCount(dirPtr);
- }
+ Tcl_FSChdir(dirPtr);
+ Tcl_DecrRefCount(dirPtr);
}
- Tcl_DecrRefCount(cwdPtr);
}
+ Tcl_DecrRefCount(cwdPtr);
}
- return (*proc)(pathPtr, recursive, errorPtr);
}
- Tcl_SetErrno(ENOENT);
- return -1;
+ return fsPtr->removeDirectoryProc(pathPtr, recursive, errorPtr);
}
/*
@@ -4360,12 +4495,12 @@ Tcl_FSRemoveDirectory(
*---------------------------------------------------------------------------
*/
-Tcl_Filesystem *
+const Tcl_Filesystem *
Tcl_FSGetFileSystemForPath(
- Tcl_Obj* pathPtr)
+ Tcl_Obj *pathPtr)
{
FilesystemRecord *fsRecPtr;
- Tcl_Filesystem* retVal = NULL;
+ const Tcl_Filesystem *retVal = NULL;
if (pathPtr == NULL) {
Tcl_Panic("Tcl_FSGetFileSystemForPath called with NULL object");
@@ -4396,6 +4531,10 @@ Tcl_FSGetFileSystemForPath(
if (TclFSEnsureEpochOk(pathPtr, &retVal) != TCL_OK) {
Disclaim();
return NULL;
+ } else if (retVal != NULL) {
+ /* TODO: Can this happen? */
+ Disclaim();
+ return retVal;
}
/*
@@ -4403,27 +4542,27 @@ Tcl_FSGetFileSystemForPath(
* non-return value of -1 indicates the particular function has succeeded.
*/
- while ((retVal == NULL) && (fsRecPtr != NULL)) {
- Tcl_FSPathInFilesystemProc *proc =
- fsRecPtr->fsPtr->pathInFilesystemProc;
+ for (; fsRecPtr!=NULL ; fsRecPtr=fsRecPtr->nextPtr) {
+ ClientData clientData = NULL;
- if (proc != NULL) {
- ClientData clientData = NULL;
- if ((*proc)(pathPtr, &clientData) != -1) {
- /*
- * We assume the type of pathPtr hasn't been changed by the
- * above call to the pathInFilesystemProc.
- */
+ if (fsRecPtr->fsPtr->pathInFilesystemProc == NULL) {
+ continue;
+ }
- TclFSSetPathDetails(pathPtr, fsRecPtr->fsPtr, clientData);
- retVal = fsRecPtr->fsPtr;
- }
+ if (fsRecPtr->fsPtr->pathInFilesystemProc(pathPtr, &clientData)!=-1) {
+ /*
+ * We assume the type of pathPtr hasn't been changed by the above
+ * call to the pathInFilesystemProc.
+ */
+
+ TclFSSetPathDetails(pathPtr, fsRecPtr->fsPtr, clientData);
+ Disclaim();
+ return fsRecPtr->fsPtr;
}
- fsRecPtr = fsRecPtr->nextPtr;
}
Disclaim();
- return retVal;
+ return NULL;
}
/*
@@ -4441,7 +4580,7 @@ Tcl_FSGetFileSystemForPath(
* functions not in this file), then one cannot necessarily guarantee
* that the path object pointer is from the correct filesystem.
*
- * Note: in the future it might be desireable to have separate versions
+ * Note: in the future it might be desirable to have separate versions
* of this function with different signatures, for example
* Tcl_FSGetNativeWinPath, Tcl_FSGetNativeUnixPath etc. Right now, since
* native paths are all string based, we use just one function.
@@ -4455,11 +4594,11 @@ Tcl_FSGetFileSystemForPath(
*---------------------------------------------------------------------------
*/
-const char *
+const void *
Tcl_FSGetNativePath(
Tcl_Obj *pathPtr)
{
- return (const char *) Tcl_FSGetInternalRep(pathPtr, &tclNativeFilesystem);
+ return Tcl_FSGetInternalRep(pathPtr, &tclNativeFilesystem);
}
/*
@@ -4482,7 +4621,7 @@ static void
NativeFreeInternalRep(
ClientData clientData)
{
- ckfree((char *) clientData);
+ ckfree(clientData);
}
/*
@@ -4508,7 +4647,6 @@ Tcl_FSFileSystemInfo(
Tcl_Obj *pathPtr)
{
Tcl_Obj *resPtr;
- Tcl_FSFilesystemPathTypeProc *proc;
const Tcl_Filesystem *fsPtr = Tcl_FSGetFileSystemForPath(pathPtr);
if (fsPtr == NULL) {
@@ -4516,11 +4654,12 @@ Tcl_FSFileSystemInfo(
}
resPtr = Tcl_NewListObj(0, NULL);
- Tcl_ListObjAppendElement(NULL,resPtr,Tcl_NewStringObj(fsPtr->typeName,-1));
+ Tcl_ListObjAppendElement(NULL, resPtr,
+ Tcl_NewStringObj(fsPtr->typeName, -1));
+
+ if (fsPtr->filesystemPathTypeProc != NULL) {
+ Tcl_Obj *typePtr = fsPtr->filesystemPathTypeProc(pathPtr);
- proc = fsPtr->filesystemPathTypeProc;
- if (proc != NULL) {
- Tcl_Obj *typePtr = (*proc)(pathPtr);
if (typePtr != NULL) {
Tcl_ListObjAppendElement(NULL, resPtr, typePtr);
}
@@ -4553,23 +4692,23 @@ Tcl_FSPathSeparator(
Tcl_Obj *pathPtr)
{
const Tcl_Filesystem *fsPtr = Tcl_FSGetFileSystemForPath(pathPtr);
+ Tcl_Obj *resultObj;
if (fsPtr == NULL) {
return NULL;
}
+
if (fsPtr->filesystemSeparatorProc != NULL) {
- return (*fsPtr->filesystemSeparatorProc)(pathPtr);
- } else {
- Tcl_Obj *resultObj;
+ return fsPtr->filesystemSeparatorProc(pathPtr);
+ }
- /*
- * Allow filesystems not to provide a filesystemSeparatorProc if they
- * wish to use the standard forward slash.
- */
+ /*
+ * Allow filesystems not to provide a filesystemSeparatorProc if they wish
+ * to use the standard forward slash.
+ */
- TclNewLiteralStringObj(resultObj, "/");
- return resultObj;
- }
+ TclNewLiteralStringObj(resultObj, "/");
+ return resultObj;
}
/*
@@ -4594,6 +4733,7 @@ NativeFilesystemSeparator(
Tcl_Obj *pathPtr)
{
const char *separator = NULL; /* lint */
+
switch (tclPlatform) {
case TCL_PLATFORM_UNIX:
separator = "/";
@@ -4604,318 +4744,6 @@ NativeFilesystemSeparator(
}
return Tcl_NewStringObj(separator,1);
}
-
-/* Everything from here on is contained in this obsolete ifdef */
-#ifdef USE_OBSOLETE_FS_HOOKS
-
-/*
- *----------------------------------------------------------------------
- *
- * TclStatInsertProc --
- *
- * Insert the passed function pointer at the head of the list of
- * functions which are used during a call to 'TclStat(...)'. The passed
- * function should behave exactly like 'TclStat' when called during that
- * time (see 'TclStat(...)' for more information). The function will be
- * added even if it already in the list.
- *
- * Results:
- * Normally TCL_OK; TCL_ERROR if memory for a new node in the list could
- * not be allocated.
- *
- * Side effects:
- * Memory allocated and modifies the link list for 'TclStat' functions.
- *
- *----------------------------------------------------------------------
- */
-
-int
-TclStatInsertProc(
- TclStatProc_ *proc)
-{
- int retVal = TCL_ERROR;
-
- if (proc != NULL) {
- StatProc *newStatProcPtr;
-
- newStatProcPtr = (StatProc *)ckalloc(sizeof(StatProc));
-
- if (newStatProcPtr != NULL) {
- newStatProcPtr->proc = proc;
- Tcl_MutexLock(&obsoleteFsHookMutex);
- newStatProcPtr->nextPtr = statProcList;
- statProcList = newStatProcPtr;
- Tcl_MutexUnlock(&obsoleteFsHookMutex);
-
- retVal = TCL_OK;
- }
- }
-
- return retVal;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * TclStatDeleteProc --
- *
- * Removed the passed function pointer from the list of 'TclStat'
- * functions. Ensures that the built-in stat function is not removable.
- *
- * Results:
- * TCL_OK if the function pointer was successfully removed, TCL_ERROR
- * otherwise.
- *
- * Side effects:
- * Memory is deallocated and the respective list updated.
- *
- *----------------------------------------------------------------------
- */
-
-int
-TclStatDeleteProc(
- TclStatProc_ *proc)
-{
- int retVal = TCL_ERROR;
- StatProc *tmpStatProcPtr;
- StatProc *prevStatProcPtr = NULL;
-
- Tcl_MutexLock(&obsoleteFsHookMutex);
- tmpStatProcPtr = statProcList;
-
- /*
- * Traverse the 'statProcList' looking for the particular node whose
- * 'proc' member matches 'proc' and remove that one from the list. Ensure
- * that the "default" node cannot be removed.
- */
-
- while ((retVal == TCL_ERROR) && (tmpStatProcPtr != NULL)) {
- if (tmpStatProcPtr->proc == proc) {
- if (prevStatProcPtr == NULL) {
- statProcList = tmpStatProcPtr->nextPtr;
- } else {
- prevStatProcPtr->nextPtr = tmpStatProcPtr->nextPtr;
- }
-
- ckfree((char *)tmpStatProcPtr);
-
- retVal = TCL_OK;
- } else {
- prevStatProcPtr = tmpStatProcPtr;
- tmpStatProcPtr = tmpStatProcPtr->nextPtr;
- }
- }
-
- Tcl_MutexUnlock(&obsoleteFsHookMutex);
-
- return retVal;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * TclAccessInsertProc --
- *
- * Insert the passed function pointer at the head of the list of
- * functions which are used during a call to 'TclAccess(...)'. The passed
- * function should behave exactly like 'TclAccess' when called during
- * that time (see 'TclAccess(...)' for more information). The function
- * will be added even if it already in the list.
- *
- * Results:
- * Normally TCL_OK; TCL_ERROR if memory for a new node in the list could
- * not be allocated.
- *
- * Side effects:
- * Memory allocated and modifies the link list for 'TclAccess' functions.
- *
- *----------------------------------------------------------------------
- */
-
-int
-TclAccessInsertProc(
- TclAccessProc_ *proc)
-{
- int retVal = TCL_ERROR;
-
- if (proc != NULL) {
- AccessProc *newAccessProcPtr;
-
- newAccessProcPtr = (AccessProc *)ckalloc(sizeof(AccessProc));
-
- if (newAccessProcPtr != NULL) {
- newAccessProcPtr->proc = proc;
- Tcl_MutexLock(&obsoleteFsHookMutex);
- newAccessProcPtr->nextPtr = accessProcList;
- accessProcList = newAccessProcPtr;
- Tcl_MutexUnlock(&obsoleteFsHookMutex);
-
- retVal = TCL_OK;
- }
- }
-
- return retVal;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * TclAccessDeleteProc --
- *
- * Removed the passed function pointer from the list of 'TclAccess'
- * functions. Ensures that the built-in access function is not removable.
- *
- * Results:
- * TCL_OK if the function pointer was successfully removed, TCL_ERROR
- * otherwise.
- *
- * Side effects:
- * Memory is deallocated and the respective list updated.
- *
- *----------------------------------------------------------------------
- */
-
-int
-TclAccessDeleteProc(
- TclAccessProc_ *proc)
-{
- int retVal = TCL_ERROR;
- AccessProc *tmpAccessProcPtr;
- AccessProc *prevAccessProcPtr = NULL;
-
- /*
- * Traverse the 'accessProcList' looking for the particular node whose
- * 'proc' member matches 'proc' and remove that one from the list. Ensure
- * that the "default" node cannot be removed.
- */
-
- Tcl_MutexLock(&obsoleteFsHookMutex);
- tmpAccessProcPtr = accessProcList;
- while ((retVal == TCL_ERROR) && (tmpAccessProcPtr != NULL)) {
- if (tmpAccessProcPtr->proc == proc) {
- if (prevAccessProcPtr == NULL) {
- accessProcList = tmpAccessProcPtr->nextPtr;
- } else {
- prevAccessProcPtr->nextPtr = tmpAccessProcPtr->nextPtr;
- }
-
- ckfree((char *)tmpAccessProcPtr);
-
- retVal = TCL_OK;
- } else {
- prevAccessProcPtr = tmpAccessProcPtr;
- tmpAccessProcPtr = tmpAccessProcPtr->nextPtr;
- }
- }
- Tcl_MutexUnlock(&obsoleteFsHookMutex);
-
- return retVal;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * TclOpenFileChannelInsertProc --
- *
- * Insert the passed function pointer at the head of the list of
- * functions which are used during a call to 'Tcl_OpenFileChannel(...)'.
- * The passed function should behave exactly like 'Tcl_OpenFileChannel'
- * when called during that time (see 'Tcl_OpenFileChannel(...)' for more
- * information). The function will be added even if it already in the
- * list.
- *
- * Results:
- * Normally TCL_OK; TCL_ERROR if memory for a new node in the list could
- * not be allocated.
- *
- * Side effects:
- * Memory allocated and modifies the link list for 'Tcl_OpenFileChannel'
- * functions.
- *
- *----------------------------------------------------------------------
- */
-
-int
-TclOpenFileChannelInsertProc(
- TclOpenFileChannelProc_ *proc)
-{
- int retVal = TCL_ERROR;
-
- if (proc != NULL) {
- OpenFileChannelProc *newOpenFileChannelProcPtr;
-
- newOpenFileChannelProcPtr = (OpenFileChannelProc *)
- ckalloc(sizeof(OpenFileChannelProc));
-
- newOpenFileChannelProcPtr->proc = proc;
- Tcl_MutexLock(&obsoleteFsHookMutex);
- newOpenFileChannelProcPtr->nextPtr = openFileChannelProcList;
- openFileChannelProcList = newOpenFileChannelProcPtr;
- Tcl_MutexUnlock(&obsoleteFsHookMutex);
-
- retVal = TCL_OK;
- }
-
- return retVal;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * TclOpenFileChannelDeleteProc --
- *
- * Removed the passed function pointer from the list of
- * 'Tcl_OpenFileChannel' functions. Ensures that the built-in open file
- * channel function is not removable.
- *
- * Results:
- * TCL_OK if the function pointer was successfully removed, TCL_ERROR
- * otherwise.
- *
- * Side effects:
- * Memory is deallocated and the respective list updated.
- *
- *----------------------------------------------------------------------
- */
-
-int
-TclOpenFileChannelDeleteProc(
- TclOpenFileChannelProc_ *proc)
-{
- int retVal = TCL_ERROR;
- OpenFileChannelProc *tmpOpenFileChannelProcPtr = openFileChannelProcList;
- OpenFileChannelProc *prevOpenFileChannelProcPtr = NULL;
-
- /*
- * Traverse the 'openFileChannelProcList' looking for the particular node
- * whose 'proc' member matches 'proc' and remove that one from the list.
- */
-
- Tcl_MutexLock(&obsoleteFsHookMutex);
- tmpOpenFileChannelProcPtr = openFileChannelProcList;
- while ((retVal == TCL_ERROR) &&
- (tmpOpenFileChannelProcPtr != NULL)) {
- if (tmpOpenFileChannelProcPtr->proc == proc) {
- if (prevOpenFileChannelProcPtr == NULL) {
- openFileChannelProcList = tmpOpenFileChannelProcPtr->nextPtr;
- } else {
- prevOpenFileChannelProcPtr->nextPtr =
- tmpOpenFileChannelProcPtr->nextPtr;
- }
-
- ckfree((char *) tmpOpenFileChannelProcPtr);
-
- retVal = TCL_OK;
- } else {
- prevOpenFileChannelProcPtr = tmpOpenFileChannelProcPtr;
- tmpOpenFileChannelProcPtr = tmpOpenFileChannelProcPtr->nextPtr;
- }
- }
- Tcl_MutexUnlock(&obsoleteFsHookMutex);
-
- return retVal;
-}
-#endif /* USE_OBSOLETE_FS_HOOKS */
/*
* Local Variables: