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-rw-r--r--generic/tclEncoding.c102
1 files changed, 52 insertions, 50 deletions
diff --git a/generic/tclEncoding.c b/generic/tclEncoding.c
index a34f193..d246cb2 100644
--- a/generic/tclEncoding.c
+++ b/generic/tclEncoding.c
@@ -7,8 +7,6 @@
*
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
- *
- * RCS: @(#) $Id: tclEncoding.c,v 1.69 2010/02/05 11:47:22 dkf Exp $
*/
#include "tclInt.h"
@@ -184,6 +182,7 @@ TCL_DECLARE_MUTEX(encodingMutex)
static Tcl_Encoding defaultEncoding;
static Tcl_Encoding systemEncoding;
+Tcl_Encoding tclIdentityEncoding;
/*
* The following variable is used in the sparse matrix code for a
@@ -272,7 +271,7 @@ static int Iso88591ToUtfProc(ClientData clientData,
int *dstCharsPtr);
/*
- * A Tcl_ObjType for holding a cached Tcl_Encoding in the otherValuePtr field
+ * A Tcl_ObjType for holding a cached Tcl_Encoding in the twoPtrValue.ptr1 field
* of the intrep. This should help the lifetime of encodings be more useful.
* See concerns raised in [Bug 1077262].
*/
@@ -295,7 +294,7 @@ static const Tcl_ObjType encodingType = {
* Standard Tcl return code.
*
* Side effects:
- * Caches the Tcl_Encoding value as the internal rep of (*objPtr).
+ * Caches the Tcl_Encoding value as the internal rep of (*objPtr).
*
*----------------------------------------------------------------------
*/
@@ -315,7 +314,7 @@ Tcl_GetEncodingFromObj(
return TCL_ERROR;
}
TclFreeIntRep(objPtr);
- objPtr->internalRep.otherValuePtr = encoding;
+ objPtr->internalRep.twoPtrValue.ptr1 = encoding;
objPtr->typePtr = &encodingType;
}
*encodingPtr = Tcl_GetEncoding(NULL, name);
@@ -336,7 +335,7 @@ static void
FreeEncodingIntRep(
Tcl_Obj *objPtr)
{
- Tcl_FreeEncoding(objPtr->internalRep.otherValuePtr);
+ Tcl_FreeEncoding(objPtr->internalRep.twoPtrValue.ptr1);
objPtr->typePtr = NULL;
}
@@ -355,7 +354,7 @@ DupEncodingIntRep(
Tcl_Obj *srcPtr,
Tcl_Obj *dupPtr)
{
- dupPtr->internalRep.otherValuePtr = Tcl_GetEncoding(NULL, srcPtr->bytes);
+ dupPtr->internalRep.twoPtrValue.ptr1 = Tcl_GetEncoding(NULL, srcPtr->bytes);
}
/*
@@ -454,8 +453,8 @@ TclSetLibraryPath(
*
* FillEncodingFileMap --
*
- * Called to bring the encoding file map in sync with the current value
- * of the encoding search path.
+ * Called to bring the encoding file map in sync with the current value
+ * of the encoding search path.
*
* Scan the directories on the encoding search path, find the *.enc
* files, and store the found pathnames in a map associated with the
@@ -569,7 +568,7 @@ TclInitEncodingSubsystem(void)
type.freeProc = NULL;
type.nullSize = 1;
type.clientData = NULL;
- Tcl_CreateEncoding(&type);
+ tclIdentityEncoding = Tcl_CreateEncoding(&type);
type.encodingName = "utf-8";
type.toUtfProc = UtfExtToUtfIntProc;
@@ -594,14 +593,14 @@ TclInitEncodingSubsystem(void)
* code to duplicate the structure of a table encoding here.
*/
- dataPtr = (TableEncodingData *) ckalloc(sizeof(TableEncodingData));
+ dataPtr = ckalloc(sizeof(TableEncodingData));
memset(dataPtr, 0, sizeof(TableEncodingData));
dataPtr->fallback = '?';
size = 256*(sizeof(unsigned short *) + sizeof(unsigned short));
- dataPtr->toUnicode = (unsigned short **) ckalloc(size);
+ dataPtr->toUnicode = ckalloc(size);
memset(dataPtr->toUnicode, 0, size);
- dataPtr->fromUnicode = (unsigned short **) ckalloc(size);
+ dataPtr->fromUnicode = ckalloc(size);
memset(dataPtr->fromUnicode, 0, size);
dataPtr->toUnicode[0] = (unsigned short *) (dataPtr->toUnicode + 256);
@@ -653,6 +652,7 @@ TclFinalizeEncodingSubsystem(void)
Tcl_MutexLock(&encodingMutex);
encodingsInitialized = 0;
FreeEncoding(systemEncoding);
+ FreeEncoding(tclIdentityEncoding);
hPtr = Tcl_FirstHashEntry(&encodingTable, &search);
while (hPtr != NULL) {
@@ -676,15 +676,15 @@ TclFinalizeEncodingSubsystem(void)
*
* Tcl_GetDefaultEncodingDir --
*
- * Legacy public interface to retrieve first directory in the encoding
- * searchPath.
+ * Legacy public interface to retrieve first directory in the encoding
+ * searchPath.
*
* Results:
* The directory pathname, as a string, or NULL for an empty encoding
* search path.
*
* Side effects:
- * None.
+ * None.
*
*-------------------------------------------------------------------------
*/
@@ -709,14 +709,14 @@ Tcl_GetDefaultEncodingDir(void)
*
* Tcl_SetDefaultEncodingDir --
*
- * Legacy public interface to set the first directory in the encoding
- * search path.
+ * Legacy public interface to set the first directory in the encoding
+ * search path.
*
* Results:
- * None.
+ * None.
*
* Side effects:
- * Modifies the encoding search path.
+ * Modifies the encoding search path.
*
*-------------------------------------------------------------------------
*/
@@ -776,7 +776,7 @@ Tcl_GetEncoding(
hPtr = Tcl_FindHashEntry(&encodingTable, name);
if (hPtr != NULL) {
- encodingPtr = (Encoding *) Tcl_GetHashValue(hPtr);
+ encodingPtr = Tcl_GetHashValue(hPtr);
encodingPtr->refCount++;
Tcl_MutexUnlock(&encodingMutex);
return (Tcl_Encoding) encodingPtr;
@@ -851,8 +851,8 @@ FreeEncoding(
if (encodingPtr->hPtr != NULL) {
Tcl_DeleteHashEntry(encodingPtr->hPtr);
}
- ckfree((char *) encodingPtr->name);
- ckfree((char *) encodingPtr);
+ ckfree(encodingPtr->name);
+ ckfree(encodingPtr);
}
}
@@ -925,7 +925,7 @@ Tcl_GetEncodingNames(
Encoding *encodingPtr = Tcl_GetHashValue(hPtr);
Tcl_CreateHashEntry(&table,
- (char *) Tcl_NewStringObj(encodingPtr->name, -1), &dummy);
+ Tcl_NewStringObj(encodingPtr->name, -1), &dummy);
}
Tcl_MutexUnlock(&encodingMutex);
@@ -938,7 +938,7 @@ Tcl_GetEncodingNames(
Tcl_DictObjFirst(NULL, map, &mapSearch, &name, NULL, &done);
for (; !done; Tcl_DictObjNext(&mapSearch, &name, NULL, &done)) {
- Tcl_CreateHashEntry(&table, (char *) name, &dummy);
+ Tcl_CreateHashEntry(&table, name, &dummy);
}
/*
@@ -981,13 +981,13 @@ Tcl_GetEncodingNames(
int
Tcl_SetSystemEncoding(
Tcl_Interp *interp, /* Interp for error reporting, if not NULL. */
- const char *name) /* The name of the desired encoding, or NULL
+ const char *name) /* The name of the desired encoding, or NULL/""
* to reset to default encoding. */
{
Tcl_Encoding encoding;
Encoding *encodingPtr;
- if (name == NULL) {
+ if (!name || !*name) {
Tcl_MutexLock(&encodingMutex);
encoding = defaultEncoding;
encodingPtr = (Encoding *) encoding;
@@ -1056,9 +1056,9 @@ Tcl_CreateEncoding(
encodingPtr->hPtr = NULL;
}
- name = ckalloc((unsigned) strlen(typePtr->encodingName) + 1);
+ name = ckalloc(strlen(typePtr->encodingName) + 1);
- encodingPtr = (Encoding *) ckalloc(sizeof(Encoding));
+ encodingPtr = ckalloc(sizeof(Encoding));
encodingPtr->name = strcpy(name, typePtr->encodingName);
encodingPtr->toUtfProc = typePtr->toUtfProc;
encodingPtr->fromUtfProc = typePtr->fromUtfProc;
@@ -1427,7 +1427,7 @@ Tcl_UtfToExternal(
*
*---------------------------------------------------------------------------
*/
-
+#undef Tcl_FindExecutable
void
Tcl_FindExecutable(
const char *argv0) /* The value of the application's argv[0]
@@ -1446,9 +1446,9 @@ Tcl_FindExecutable(
* Open the file believed to hold data for the encoding, "name".
*
* Results:
- * Returns the readable Tcl_Channel from opening the file, or NULL if the
- * file could not be successfully opened. If NULL was returned, an error
- * message is left in interp's result object, unless interp was NULL.
+ * Returns the readable Tcl_Channel from opening the file, or NULL if the
+ * file could not be successfully opened. If NULL was returned, an error
+ * message is left in interp's result object, unless interp was NULL.
*
* Side effects:
* Channel may be opened. Information about the filesystem may be cached
@@ -1544,7 +1544,8 @@ OpenEncodingFileChannel(
}
if ((NULL == chan) && (interp != NULL)) {
- Tcl_AppendResult(interp, "unknown encoding \"", name, "\"", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "unknown encoding \"%s\"", name));
Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "ENCODING", name, NULL);
}
Tcl_DecrRefCount(fileNameObj);
@@ -1618,7 +1619,8 @@ LoadEncodingFile(
break;
}
if ((encoding == NULL) && (interp != NULL)) {
- Tcl_AppendResult(interp, "invalid encoding file \"", name, "\"", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "invalid encoding file \"%s\"", name));
Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "ENCODING", name, NULL);
}
Tcl_Close(NULL, chan);
@@ -1709,7 +1711,7 @@ LoadTableEncoding(
#undef PAGESIZE
#define PAGESIZE (256 * sizeof(unsigned short))
- dataPtr = (TableEncodingData *) ckalloc(sizeof(TableEncodingData));
+ dataPtr = ckalloc(sizeof(TableEncodingData));
memset(dataPtr, 0, sizeof(TableEncodingData));
dataPtr->fallback = fallback;
@@ -1721,7 +1723,7 @@ LoadTableEncoding(
*/
size = 256 * sizeof(unsigned short *) + numPages * PAGESIZE;
- dataPtr->toUnicode = (unsigned short **) ckalloc(size);
+ dataPtr->toUnicode = ckalloc(size);
memset(dataPtr->toUnicode, 0, size);
pageMemPtr = (unsigned short *) (dataPtr->toUnicode + 256);
@@ -1779,7 +1781,7 @@ LoadTableEncoding(
}
}
size = 256 * sizeof(unsigned short *) + numPages * PAGESIZE;
- dataPtr->fromUnicode = (unsigned short **) ckalloc(size);
+ dataPtr->fromUnicode = ckalloc(size);
memset(dataPtr->fromUnicode, 0, size);
pageMemPtr = (unsigned short *) (dataPtr->fromUnicode + 256);
@@ -1874,9 +1876,9 @@ LoadTableEncoding(
* Read lines from the encoding until EOF.
*/
- for (Tcl_DStringSetLength(&lineString, 0);
+ for (TclDStringClear(&lineString);
(len = Tcl_Gets(chan, &lineString)) >= 0;
- Tcl_DStringSetLength(&lineString, 0)) {
+ TclDStringClear(&lineString)) {
const unsigned char *p;
int to, from;
@@ -2011,17 +2013,17 @@ LoadEscapeEncoding(
Tcl_DStringAppend(&escapeData, (char *) &est, sizeof(est));
}
}
- ckfree((char *) argv);
+ ckfree(argv);
Tcl_DStringFree(&lineString);
}
size = sizeof(EscapeEncodingData) - sizeof(EscapeSubTable)
+ Tcl_DStringLength(&escapeData);
- dataPtr = (EscapeEncodingData *) ckalloc(size);
+ dataPtr = ckalloc(size);
dataPtr->initLen = strlen(init);
- strcpy(dataPtr->init, init);
+ memcpy(dataPtr->init, init, (unsigned) dataPtr->initLen + 1);
dataPtr->finalLen = strlen(final);
- strcpy(dataPtr->final, final);
+ memcpy(dataPtr->final, final, (unsigned) dataPtr->finalLen + 1);
dataPtr->numSubTables =
Tcl_DStringLength(&escapeData) / sizeof(EscapeSubTable);
memcpy(dataPtr->subTables, Tcl_DStringValue(&escapeData),
@@ -2957,9 +2959,9 @@ TableFreeProc(
* Make sure we aren't freeing twice on shutdown. [Bug 219314]
*/
- ckfree((char *) dataPtr->toUnicode);
- ckfree((char *) dataPtr->fromUnicode);
- ckfree((char *) dataPtr);
+ ckfree(dataPtr->toUnicode);
+ ckfree(dataPtr->fromUnicode);
+ ckfree(dataPtr);
}
/*
@@ -3288,7 +3290,7 @@ EscapeFromUtfProc(
for (state = 0; state < dataPtr->numSubTables; state++) {
encodingPtr = GetTableEncoding(dataPtr, state);
tableDataPtr = encodingPtr->clientData;
- word = tableDataPtr->fromUnicode[(ch >> 8)][ch & 0xff];
+ word = tableDataPtr->fromUnicode[(ch >> 8)][ch & 0xff];
if (word != 0) {
break;
}
@@ -3434,7 +3436,7 @@ EscapeFreeProc(
subTablePtr++;
}
}
- ckfree((char *) dataPtr);
+ ckfree(dataPtr);
}
/*
@@ -3572,7 +3574,7 @@ InitializeEncodingSearchPath(
bytes = Tcl_GetStringFromObj(searchPathObj, &numBytes);
*lengthPtr = numBytes;
- *valuePtr = ckalloc((unsigned) numBytes + 1);
+ *valuePtr = ckalloc(numBytes + 1);
memcpy(*valuePtr, bytes, (size_t) numBytes + 1);
Tcl_DecrRefCount(searchPathObj);
}
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