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-rw-r--r--generic/tclEncoding.c380
1 files changed, 203 insertions, 177 deletions
diff --git a/generic/tclEncoding.c b/generic/tclEncoding.c
index 7e5466c..a34f193 100644
--- a/generic/tclEncoding.c
+++ b/generic/tclEncoding.c
@@ -8,7 +8,7 @@
* 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 1.68 2009/11/19 21:56:34 nijtmans Exp $
+ * RCS: @(#) $Id: tclEncoding.c,v 1.69 2010/02/05 11:47:22 dkf Exp $
*/
#include "tclInt.h"
@@ -307,6 +307,7 @@ Tcl_GetEncodingFromObj(
Tcl_Encoding *encodingPtr)
{
const char *name = Tcl_GetString(objPtr);
+
if (objPtr->typePtr != &encodingType) {
Tcl_Encoding encoding = Tcl_GetEncoding(interp, name);
@@ -314,7 +315,7 @@ Tcl_GetEncodingFromObj(
return TCL_ERROR;
}
TclFreeIntRep(objPtr);
- objPtr->internalRep.otherValuePtr = (void *) encoding;
+ objPtr->internalRep.otherValuePtr = encoding;
objPtr->typePtr = &encodingType;
}
*encodingPtr = Tcl_GetEncoding(NULL, name);
@@ -335,7 +336,7 @@ static void
FreeEncodingIntRep(
Tcl_Obj *objPtr)
{
- Tcl_FreeEncoding((Tcl_Encoding) objPtr->internalRep.otherValuePtr);
+ Tcl_FreeEncoding(objPtr->internalRep.otherValuePtr);
objPtr->typePtr = NULL;
}
@@ -354,8 +355,7 @@ DupEncodingIntRep(
Tcl_Obj *srcPtr,
Tcl_Obj *dupPtr)
{
- dupPtr->internalRep.otherValuePtr = (void *)
- Tcl_GetEncoding(NULL, srcPtr->bytes);
+ dupPtr->internalRep.otherValuePtr = Tcl_GetEncoding(NULL, srcPtr->bytes);
}
/*
@@ -508,12 +508,12 @@ FillEncodingFileMap(void)
Tcl_ListObjGetElements(NULL, matchFileList, &numFiles, &filev);
for (j=0; j<numFiles; j++) {
- Tcl_Obj *encodingName, *file;
+ Tcl_Obj *encodingName, *fileObj;
- file = TclPathPart(NULL, filev[j], TCL_PATH_TAIL);
- encodingName = TclPathPart(NULL, file, TCL_PATH_ROOT);
+ fileObj = TclPathPart(NULL, filev[j], TCL_PATH_TAIL);
+ encodingName = TclPathPart(NULL, fileObj, TCL_PATH_ROOT);
Tcl_DictObjPut(NULL, map, encodingName, directory);
- Tcl_DecrRefCount(file);
+ Tcl_DecrRefCount(fileObj);
Tcl_DecrRefCount(encodingName);
}
Tcl_DecrRefCount(matchFileList);
@@ -545,6 +545,9 @@ void
TclInitEncodingSubsystem(void)
{
Tcl_EncodingType type;
+ TableEncodingData *dataPtr;
+ unsigned size;
+ unsigned short i;
if (encodingsInitialized) {
return;
@@ -591,44 +594,37 @@ TclInitEncodingSubsystem(void)
* code to duplicate the structure of a table encoding here.
*/
- {
- TableEncodingData *dataPtr = (TableEncodingData *)
- ckalloc(sizeof(TableEncodingData));
- unsigned size;
- unsigned short i;
-
- memset(dataPtr, 0, sizeof(TableEncodingData));
- dataPtr->fallback = '?';
-
- size = 256*(sizeof(unsigned short *) + sizeof(unsigned short));
- dataPtr->toUnicode = (unsigned short **) ckalloc(size);
- memset(dataPtr->toUnicode, 0, size);
- dataPtr->fromUnicode = (unsigned short **) ckalloc(size);
- memset(dataPtr->fromUnicode, 0, size);
-
- dataPtr->toUnicode[0] = (unsigned short *) (dataPtr->toUnicode + 256);
- dataPtr->fromUnicode[0] = (unsigned short *)
- (dataPtr->fromUnicode + 256);
- for (i=1 ; i<256 ; i++) {
- dataPtr->toUnicode[i] = emptyPage;
- dataPtr->fromUnicode[i] = emptyPage;
- }
+ dataPtr = (TableEncodingData *) ckalloc(sizeof(TableEncodingData));
+ memset(dataPtr, 0, sizeof(TableEncodingData));
+ dataPtr->fallback = '?';
- for (i=0 ; i<256 ; i++) {
- dataPtr->toUnicode[0][i] = i;
- dataPtr->fromUnicode[0][i] = i;
- }
+ size = 256*(sizeof(unsigned short *) + sizeof(unsigned short));
+ dataPtr->toUnicode = (unsigned short **) ckalloc(size);
+ memset(dataPtr->toUnicode, 0, size);
+ dataPtr->fromUnicode = (unsigned short **) ckalloc(size);
+ memset(dataPtr->fromUnicode, 0, size);
+
+ dataPtr->toUnicode[0] = (unsigned short *) (dataPtr->toUnicode + 256);
+ dataPtr->fromUnicode[0] = (unsigned short *) (dataPtr->fromUnicode + 256);
+ for (i=1 ; i<256 ; i++) {
+ dataPtr->toUnicode[i] = emptyPage;
+ dataPtr->fromUnicode[i] = emptyPage;
+ }
- type.encodingName = "iso8859-1";
- type.toUtfProc = Iso88591ToUtfProc;
- type.fromUtfProc = Iso88591FromUtfProc;
- type.freeProc = TableFreeProc;
- type.nullSize = 1;
- type.clientData = dataPtr;
- defaultEncoding = Tcl_CreateEncoding(&type);
- systemEncoding = Tcl_GetEncoding(NULL, type.encodingName);
+ for (i=0 ; i<256 ; i++) {
+ dataPtr->toUnicode[0][i] = i;
+ dataPtr->fromUnicode[0][i] = i;
}
+ type.encodingName = "iso8859-1";
+ type.toUtfProc = Iso88591ToUtfProc;
+ type.fromUtfProc = Iso88591FromUtfProc;
+ type.freeProc = TableFreeProc;
+ type.nullSize = 1;
+ type.clientData = dataPtr;
+ defaultEncoding = Tcl_CreateEncoding(&type);
+ systemEncoding = Tcl_GetEncoding(NULL, type.encodingName);
+
encodingsInitialized = 1;
}
@@ -667,7 +663,7 @@ TclFinalizeEncodingSubsystem(void)
* cleaned up.
*/
- FreeEncoding((Tcl_Encoding) Tcl_GetHashValue(hPtr));
+ FreeEncoding(Tcl_GetHashValue(hPtr));
hPtr = Tcl_FirstHashEntry(&encodingTable, &search);
}
@@ -839,9 +835,8 @@ static void
FreeEncoding(
Tcl_Encoding encoding)
{
- Encoding *encodingPtr;
+ Encoding *encodingPtr = (Encoding *) encoding;
- encodingPtr = (Encoding *) encoding;
if (encodingPtr == NULL) {
return;
}
@@ -927,7 +922,8 @@ Tcl_GetEncodingNames(
Tcl_MutexLock(&encodingMutex);
for (hPtr = Tcl_FirstHashEntry(&encodingTable, &search); hPtr != NULL;
hPtr = Tcl_NextHashEntry(&search)) {
- Encoding *encodingPtr = (Encoding *) Tcl_GetHashValue(hPtr);
+ Encoding *encodingPtr = Tcl_GetHashValue(hPtr);
+
Tcl_CreateHashEntry(&table,
(char *) Tcl_NewStringObj(encodingPtr->name, -1), &dummy);
}
@@ -1056,7 +1052,7 @@ Tcl_CreateEncoding(
* reference goes away.
*/
- encodingPtr = (Encoding *) Tcl_GetHashValue(hPtr);
+ encodingPtr = Tcl_GetHashValue(hPtr);
encodingPtr->hPtr = NULL;
}
@@ -1116,7 +1112,7 @@ Tcl_ExternalToUtfDString(
{
char *dst;
Tcl_EncodingState state;
- Encoding *encodingPtr;
+ const Encoding *encodingPtr;
int flags, dstLen, result, soFar, srcRead, dstWrote, dstChars;
Tcl_DStringInit(dstPtr);
@@ -1206,7 +1202,7 @@ Tcl_ExternalToUtf(
* correspond to the bytes stored in the
* output buffer. */
{
- Encoding *encodingPtr;
+ const Encoding *encodingPtr;
int result, srcRead, dstWrote, dstChars;
Tcl_EncodingState state;
@@ -1282,7 +1278,7 @@ Tcl_UtfToExternalDString(
{
char *dst;
Tcl_EncodingState state;
- Encoding *encodingPtr;
+ const Encoding *encodingPtr;
int flags, dstLen, result, soFar, srcRead, dstWrote, dstChars;
Tcl_DStringInit(dstPtr);
@@ -1374,7 +1370,7 @@ Tcl_UtfToExternal(
* correspond to the bytes stored in the
* output buffer. */
{
- Encoding *encodingPtr;
+ const Encoding *encodingPtr;
int result, srcRead, dstWrote, dstChars;
Tcl_EncodingState state;
@@ -1495,6 +1491,7 @@ OpenEncodingFileChannel(
}
if (!verified) {
const char *dirString = Tcl_GetString(directory);
+
for (i=0; i<numDirs && !verified; i++) {
if (strcmp(dirString, Tcl_GetString(dir[i])) == 0) {
verified = 1;
@@ -1622,6 +1619,7 @@ LoadEncodingFile(
}
if ((encoding == NULL) && (interp != NULL)) {
Tcl_AppendResult(interp, "invalid encoding file \"", name, "\"", NULL);
+ Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "ENCODING", name, NULL);
}
Tcl_Close(NULL, chan);
@@ -1660,11 +1658,11 @@ LoadTableEncoding(
Tcl_DString lineString;
Tcl_Obj *objPtr;
char *line;
- int i, hi, lo, numPages, symbol, fallback;
+ int i, hi, lo, numPages, symbol, fallback, len;
unsigned char used[256];
unsigned size;
TableEncodingData *dataPtr;
- unsigned short *pageMemPtr;
+ unsigned short *pageMemPtr, *page;
Tcl_EncodingType encType;
/*
@@ -1788,22 +1786,19 @@ LoadTableEncoding(
for (hi = 0; hi < 256; hi++) {
if (dataPtr->toUnicode[hi] == NULL) {
dataPtr->toUnicode[hi] = emptyPage;
- } else {
- for (lo = 0; lo < 256; lo++) {
- int ch;
-
- ch = dataPtr->toUnicode[hi][lo];
- if (ch != 0) {
- unsigned short *page;
-
- page = dataPtr->fromUnicode[ch >> 8];
- if (page == NULL) {
- page = pageMemPtr;
- pageMemPtr += 256;
- dataPtr->fromUnicode[ch >> 8] = page;
- }
- page[ch & 0xff] = (unsigned short) ((hi << 8) + lo);
+ continue;
+ }
+ for (lo = 0; lo < 256; lo++) {
+ int ch = dataPtr->toUnicode[hi][lo];
+
+ if (ch != 0) {
+ page = dataPtr->fromUnicode[ch >> 8];
+ if (page == NULL) {
+ page = pageMemPtr;
+ pageMemPtr += 256;
+ dataPtr->fromUnicode[ch >> 8] = page;
}
+ page[ch & 0xff] = (unsigned short) ((hi << 8) + lo);
}
}
}
@@ -1822,8 +1817,6 @@ LoadTableEncoding(
}
}
if (symbol) {
- unsigned short *page;
-
/*
* Make a special symbol encoding that not only maps the symbol
* characters from their Unicode code points down into page 0, but
@@ -1831,7 +1824,7 @@ LoadTableEncoding(
* is so that a symbol font can be used to display a simple string
* like "abcd" and have alpha, beta, chi, delta show up, rather than
* have "unknown" chars show up because strictly speaking the symbol
- * font doesn't have glyphs for those low ascii chars.
+ * font doesn't have glyphs for those low ASCII chars.
*/
page = dataPtr->fromUnicode[0];
@@ -1856,57 +1849,77 @@ LoadTableEncoding(
*/
Tcl_DStringInit(&lineString);
- do {
- int len;
+
+ /*
+ * Skip leading empty lines.
+ */
+
+ while ((len = Tcl_Gets(chan, &lineString)) == 0) {
+ /* empty body */
+ }
+ if (len < 0) {
+ goto doneParse;
+ }
+
+ /*
+ * Require that it starts with an 'R'.
+ */
+
+ line = Tcl_DStringValue(&lineString);
+ if (line[0] != 'R') {
+ goto doneParse;
+ }
+
+ /*
+ * Read lines from the encoding until EOF.
+ */
+
+ for (Tcl_DStringSetLength(&lineString, 0);
+ (len = Tcl_Gets(chan, &lineString)) >= 0;
+ Tcl_DStringSetLength(&lineString, 0)) {
+ const unsigned char *p;
+ int to, from;
/*
- * Skip leading empty lines.
+ * Skip short lines.
*/
- while ((len = Tcl_Gets(chan, &lineString)) == 0) {
- /* empty body */
+ if (len < 5) {
+ continue;
}
- if (len < 0) {
- break;
- }
- line = Tcl_DStringValue(&lineString);
- if (line[0] != 'R') {
- break;
- }
- for (Tcl_DStringSetLength(&lineString, 0);
- (len = Tcl_Gets(chan, &lineString)) >= 0;
- Tcl_DStringSetLength(&lineString, 0)) {
- unsigned char *p;
- int to, from;
+ /*
+ * Parse the line as a sequence of hex digits.
+ */
- if (len < 5) {
- continue;
- }
- p = (unsigned char *) Tcl_DStringValue(&lineString);
- to = (staticHex[p[0]] << 12) + (staticHex[p[1]] << 8)
+ p = (const unsigned char *) Tcl_DStringValue(&lineString);
+ to = (staticHex[p[0]] << 12) + (staticHex[p[1]] << 8)
+ + (staticHex[p[2]] << 4) + staticHex[p[3]];
+ if (to == 0) {
+ continue;
+ }
+ for (p += 5, len -= 5; len >= 0 && *p; p += 5, len -= 5) {
+ from = (staticHex[p[0]] << 12) + (staticHex[p[1]] << 8)
+ (staticHex[p[2]] << 4) + staticHex[p[3]];
- if (to == 0) {
- continue;
- }
- for (p += 5, len -= 5; len >= 0 && *p; p += 5, len -= 5) {
- from = (staticHex[p[0]] << 12) + (staticHex[p[1]] << 8)
- + (staticHex[p[2]] << 4) + staticHex[p[3]];
- if (from == 0) {
- continue;
- }
- dataPtr->fromUnicode[from >> 8][from & 0xff] = to;
+ if (from == 0) {
+ continue;
}
+ dataPtr->fromUnicode[from >> 8][from & 0xff] = to;
}
- } while (0);
+ }
+ doneParse:
Tcl_DStringFree(&lineString);
+ /*
+ * Package everything into an encoding structure.
+ */
+
encType.encodingName = name;
encType.toUtfProc = TableToUtfProc;
encType.fromUtfProc = TableFromUtfProc;
encType.freeProc = TableFreeProc;
encType.nullSize = (type == ENCODING_DOUBLEBYTE) ? 2 : 1;
- encType.clientData = (ClientData) dataPtr;
+ encType.clientData = dataPtr;
return Tcl_CreateEncoding(&encType);
}
@@ -1961,6 +1974,7 @@ LoadEscapeEncoding(
}
line = Tcl_DStringValue(&lineString);
if (Tcl_SplitList(NULL, line, &argc, &argv) != TCL_OK) {
+ Tcl_DStringFree(&lineString);
continue;
}
if (argc >= 2) {
@@ -1988,8 +2002,8 @@ LoadEscapeEncoding(
*/
e = (Encoding *) Tcl_GetEncoding(NULL, est.name);
- if (e && e->toUtfProc != TableToUtfProc &&
- e->toUtfProc != Iso88591ToUtfProc) {
+ if ((e != NULL) && (e->toUtfProc != TableToUtfProc)
+ && (e->toUtfProc != Iso88591ToUtfProc)) {
Tcl_FreeEncoding((Tcl_Encoding) e);
e = NULL;
}
@@ -2025,12 +2039,16 @@ LoadEscapeEncoding(
dataPtr->prefixBytes[UCHAR(dataPtr->final[0])] = 1;
}
+ /*
+ * Package everything into an encoding structure.
+ */
+
type.encodingName = name;
type.toUtfProc = EscapeToUtfProc;
type.fromUtfProc = EscapeFromUtfProc;
type.freeProc = EscapeFreeProc;
type.nullSize = 1;
- type.clientData = (ClientData) dataPtr;
+ type.clientData = dataPtr;
return Tcl_CreateEncoding(&type);
}
@@ -2162,6 +2180,7 @@ UtfIntToUtfExtProc(
*
*-------------------------------------------------------------------------
*/
+
static int
UtfExtToUtfIntProc(
ClientData clientData, /* Not used. */
@@ -2242,7 +2261,7 @@ UtfToUtfProc(
* versa. */
{
const char *srcStart, *srcEnd, *srcClose;
- char *dstStart, *dstEnd;
+ const char *dstStart, *dstEnd;
int result, numChars;
Tcl_UniChar ch;
@@ -2353,7 +2372,7 @@ UnicodeToUtfProc(
* output buffer. */
{
const char *srcStart, *srcEnd;
- char *dstEnd, *dstStart;
+ const char *dstEnd, *dstStart;
int result, numChars;
Tcl_UniChar ch;
@@ -2375,10 +2394,12 @@ UnicodeToUtfProc(
result = TCL_CONVERT_NOSPACE;
break;
}
+
/*
- * Special case for 1-byte utf chars for speed. Make sure we
- * work with Tcl_UniChar-size data.
+ * Special case for 1-byte utf chars for speed. Make sure we work with
+ * Tcl_UniChar-size data.
*/
+
ch = *(Tcl_UniChar *)src;
if (ch && ch < 0x80) {
*dst++ = (ch & 0xFF);
@@ -2468,11 +2489,13 @@ UtfToUnicodeProc(
break;
}
src += TclUtfToUniChar(src, &ch);
+
/*
- * Need to handle this in a way that won't cause misalignment
- * by casting dst to a Tcl_UniChar. [Bug 1122671]
+ * Need to handle this in a way that won't cause misalignment by
+ * casting dst to a Tcl_UniChar. [Bug 1122671]
* XXX: This hard-codes the assumed size of Tcl_UniChar as 2.
*/
+
#ifdef WORDS_BIGENDIAN
*dst++ = (ch >> 8);
*dst++ = (ch & 0xFF);
@@ -2533,12 +2556,12 @@ TableToUtfProc(
* output buffer. */
{
const char *srcStart, *srcEnd;
- char *dstEnd, *dstStart, *prefixBytes;
+ const char *dstEnd, *dstStart, *prefixBytes;
int result, byte, numChars;
Tcl_UniChar ch;
- unsigned short **toUnicode;
- unsigned short *pageZero;
- TableEncodingData *dataPtr;
+ const unsigned short *const *toUnicode;
+ const unsigned short *pageZero;
+ TableEncodingData *dataPtr = clientData;
srcStart = src;
srcEnd = src + srcLen;
@@ -2546,8 +2569,7 @@ TableToUtfProc(
dstStart = dst;
dstEnd = dst + dstLen - TCL_UTF_MAX;
- dataPtr = (TableEncodingData *) clientData;
- toUnicode = dataPtr->toUnicode;
+ toUnicode = (const unsigned short *const *) dataPtr->toUnicode;
prefixBytes = dataPtr->prefixBytes;
pageZero = toUnicode[0];
@@ -2579,9 +2601,11 @@ TableToUtfProc(
}
ch = (Tcl_UniChar) byte;
}
+
/*
* Special case for 1-byte utf chars for speed.
*/
+
if (ch && ch < 0x80) {
*dst++ = (char) ch;
} else {
@@ -2642,17 +2666,16 @@ TableFromUtfProc(
* output buffer. */
{
const char *srcStart, *srcEnd, *srcClose;
- char *dstStart, *dstEnd, *prefixBytes;
+ const char *dstStart, *dstEnd, *prefixBytes;
Tcl_UniChar ch;
int result, len, word, numChars;
- TableEncodingData *dataPtr;
- unsigned short **fromUnicode;
+ TableEncodingData *dataPtr = clientData;
+ const unsigned short *const *fromUnicode;
result = TCL_OK;
- dataPtr = (TableEncodingData *) clientData;
prefixBytes = dataPtr->prefixBytes;
- fromUnicode = dataPtr->fromUnicode;
+ fromUnicode = (const unsigned short *const *) dataPtr->fromUnicode;
srcStart = src;
srcEnd = src + srcLen;
@@ -2764,7 +2787,7 @@ Iso88591ToUtfProc(
* output buffer. */
{
const char *srcStart, *srcEnd;
- char *dstEnd, *dstStart;
+ const char *dstEnd, *dstStart;
int result, numChars;
srcStart = src;
@@ -2782,9 +2805,11 @@ Iso88591ToUtfProc(
break;
}
ch = (Tcl_UniChar) *((unsigned char *) src);
+
/*
* Special case for 1-byte utf chars for speed.
*/
+
if (ch && ch < 0x80) {
*dst++ = (char) ch;
} else {
@@ -2843,7 +2868,7 @@ Iso88591FromUtfProc(
* output buffer. */
{
const char *srcStart, *srcEnd, *srcClose;
- char *dstStart, *dstEnd;
+ const char *dstStart, *dstEnd;
int result, numChars;
result = TCL_OK;
@@ -2926,13 +2951,12 @@ TableFreeProc(
ClientData clientData) /* TableEncodingData that specifies
* encoding. */
{
- TableEncodingData *dataPtr;
+ TableEncodingData *dataPtr = clientData;
/*
* Make sure we aren't freeing twice on shutdown. [Bug 219314]
*/
- dataPtr = (TableEncodingData *) clientData;
ckfree((char *) dataPtr->toUnicode);
ckfree((char *) dataPtr->fromUnicode);
ckfree((char *) dataPtr);
@@ -2984,12 +3008,11 @@ EscapeToUtfProc(
* output buffer. */
{
EscapeEncodingData *dataPtr = clientData;
- char *prefixBytes, *tablePrefixBytes;
- unsigned short **tableToUnicode;
- Encoding *encodingPtr;
+ const char *prefixBytes, *tablePrefixBytes, *srcStart, *srcEnd;
+ const unsigned short *const *tableToUnicode;
+ const Encoding *encodingPtr;
int state, result, numChars;
- const char *srcStart, *srcEnd;
- char *dstStart, *dstEnd;
+ const char *dstStart, *dstEnd;
result = TCL_OK;
tablePrefixBytes = NULL; /* lint. */
@@ -3019,7 +3042,7 @@ EscapeToUtfProc(
if (prefixBytes[byte]) {
unsigned left, len, longest;
int checked, i;
- EscapeSubTable *subTablePtr;
+ const EscapeSubTable *subTablePtr;
/*
* Saw the beginning of an escape sequence.
@@ -3119,7 +3142,8 @@ EscapeToUtfProc(
encodingPtr = GetTableEncoding(dataPtr, state);
tableDataPtr = encodingPtr->clientData;
tablePrefixBytes = tableDataPtr->prefixBytes;
- tableToUnicode = tableDataPtr->toUnicode;
+ tableToUnicode = (const unsigned short *const*)
+ tableDataPtr->toUnicode;
}
if (tablePrefixBytes[byte]) {
@@ -3195,13 +3219,13 @@ EscapeFromUtfProc(
* output buffer. */
{
EscapeEncodingData *dataPtr = clientData;
- Encoding *encodingPtr;
+ const Encoding *encodingPtr;
const char *srcStart, *srcEnd, *srcClose;
- char *dstStart, *dstEnd;
+ const char *dstStart, *dstEnd;
int state, result, numChars;
- TableEncodingData *tableDataPtr;
- char *tablePrefixBytes;
- unsigned short **tableFromUnicode;
+ const TableEncodingData *tableDataPtr;
+ const char *tablePrefixBytes;
+ const unsigned short *const *tableFromUnicode;
result = TCL_OK;
@@ -3236,7 +3260,8 @@ EscapeFromUtfProc(
encodingPtr = GetTableEncoding(dataPtr, state);
tableDataPtr = encodingPtr->clientData;
tablePrefixBytes = tableDataPtr->prefixBytes;
- tableFromUnicode = tableDataPtr->fromUnicode;
+ tableFromUnicode = (const unsigned short *const *)
+ tableDataPtr->fromUnicode;
for (numChars = 0; src < srcEnd; numChars++) {
unsigned len;
@@ -3257,7 +3282,7 @@ EscapeFromUtfProc(
if ((word == 0) && (ch != 0)) {
int oldState;
- EscapeSubTable *subTablePtr;
+ const EscapeSubTable *subTablePtr;
oldState = state;
for (state = 0; state < dataPtr->numSubTables; state++) {
@@ -3280,8 +3305,9 @@ EscapeFromUtfProc(
word = tableDataPtr->fallback;
}
- tablePrefixBytes = tableDataPtr->prefixBytes;
- tableFromUnicode = tableDataPtr->fromUnicode;
+ tablePrefixBytes = (const char *) tableDataPtr->prefixBytes;
+ tableFromUnicode = (const unsigned short *const *)
+ tableDataPtr->fromUnicode;
/*
* The state variable has the value of oldState when word is 0.
@@ -3389,24 +3415,25 @@ EscapeFreeProc(
if (dataPtr == NULL) {
return;
}
+
/*
- * The subTables should be freed recursively in normal operation but not
- * during TclFinalizeEncodingSubsystem because they are also present as a
- * weak reference in the toplevel encodingTable (ie they don't have a +1
- * refcount for this), and unpredictable nuking order could remove them
- * from under the following loop's feet [Bug 2891556].
+ * The subTables should be freed recursively in normal operation but not
+ * during TclFinalizeEncodingSubsystem because they are also present as a
+ * weak reference in the toplevel encodingTable (i.e., they don't have a
+ * +1 refcount for this), and unpredictable nuking order could remove them
+ * from under the following loop's feet. [Bug 2891556]
*
- * The encodingsInitialized flag, being reset on entry to TFES, can serve
- * as a "not in finalization" test.
+ * The encodingsInitialized flag, being reset on entry to TFES, can serve
+ * as a "not in finalization" test.
*/
- if (encodingsInitialized)
- {
- subTablePtr = dataPtr->subTables;
- for (i = 0; i < dataPtr->numSubTables; i++) {
- FreeEncoding((Tcl_Encoding) subTablePtr->encodingPtr);
- subTablePtr++;
- }
+
+ if (encodingsInitialized) {
+ subTablePtr = dataPtr->subTables;
+ for (i = 0; i < dataPtr->numSubTables; i++) {
+ FreeEncoding((Tcl_Encoding) subTablePtr->encodingPtr);
+ subTablePtr++;
}
+ }
ckfree((char *) dataPtr);
}
@@ -3513,41 +3540,41 @@ InitializeEncodingSearchPath(
{
const char *bytes;
int i, numDirs, numBytes;
- Tcl_Obj *libPath, *encodingObj, *searchPath;
+ Tcl_Obj *libPathObj, *encodingObj, *searchPathObj;
TclNewLiteralStringObj(encodingObj, "encoding");
- TclNewObj(searchPath);
+ TclNewObj(searchPathObj);
Tcl_IncrRefCount(encodingObj);
- Tcl_IncrRefCount(searchPath);
- libPath = TclGetLibraryPath();
- Tcl_IncrRefCount(libPath);
- Tcl_ListObjLength(NULL, libPath, &numDirs);
+ Tcl_IncrRefCount(searchPathObj);
+ libPathObj = TclGetLibraryPath();
+ Tcl_IncrRefCount(libPathObj);
+ Tcl_ListObjLength(NULL, libPathObj, &numDirs);
for (i = 0; i < numDirs; i++) {
- Tcl_Obj *directory, *path;
+ Tcl_Obj *directoryObj, *pathObj;
Tcl_StatBuf stat;
- Tcl_ListObjIndex(NULL, libPath, i, &directory);
- path = Tcl_FSJoinToPath(directory, 1, &encodingObj);
- Tcl_IncrRefCount(path);
- if ((0 == Tcl_FSStat(path, &stat)) && S_ISDIR(stat.st_mode)) {
- Tcl_ListObjAppendElement(NULL, searchPath, path);
+ Tcl_ListObjIndex(NULL, libPathObj, i, &directoryObj);
+ pathObj = Tcl_FSJoinToPath(directoryObj, 1, &encodingObj);
+ Tcl_IncrRefCount(pathObj);
+ if ((0 == Tcl_FSStat(pathObj, &stat)) && S_ISDIR(stat.st_mode)) {
+ Tcl_ListObjAppendElement(NULL, searchPathObj, pathObj);
}
- Tcl_DecrRefCount(path);
+ Tcl_DecrRefCount(pathObj);
}
- Tcl_DecrRefCount(libPath);
+ Tcl_DecrRefCount(libPathObj);
Tcl_DecrRefCount(encodingObj);
*encodingPtr = libraryPath.encoding;
if (*encodingPtr) {
((Encoding *)(*encodingPtr))->refCount++;
}
- bytes = Tcl_GetStringFromObj(searchPath, &numBytes);
+ bytes = Tcl_GetStringFromObj(searchPathObj, &numBytes);
*lengthPtr = numBytes;
*valuePtr = ckalloc((unsigned) numBytes + 1);
memcpy(*valuePtr, bytes, (size_t) numBytes + 1);
- Tcl_DecrRefCount(searchPath);
+ Tcl_DecrRefCount(searchPathObj);
}
/*
@@ -3557,4 +3584,3 @@ InitializeEncodingSearchPath(
* fill-column: 78
* End:
*/
-
generated by cgit v0.12 at 2024-11-19 19:13:16 (GMT)