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-rw-r--r--generic/tclEncoding.c84
1 files changed, 37 insertions, 47 deletions
diff --git a/generic/tclEncoding.c b/generic/tclEncoding.c
index 7378e49..9ef937f 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 1.63 2008/10/22 20:23:59 nijtmans Exp $
+ * RCS: @(#) $Id: tclEncoding.c,v 1.64 2008/10/26 18:34:04 dkf Exp $
*/
#include "tclInt.h"
@@ -94,7 +94,7 @@ typedef struct TableEncodingData {
*/
typedef struct EscapeSubTable {
- unsigned int sequenceLen; /* Length of following string. */
+ unsigned sequenceLen; /* Length of following string. */
char sequence[16]; /* Escape code that marks this encoding. */
char name[32]; /* Name for encoding. */
Encoding *encodingPtr; /* Encoding loaded using above name, or NULL
@@ -106,10 +106,10 @@ typedef struct EscapeEncodingData {
int fallback; /* Character (in this encoding) to substitute
* when this encoding cannot represent a UTF-8
* character. */
- unsigned int initLen; /* Length of following string. */
+ unsigned initLen; /* Length of following string. */
char init[16]; /* String to emit or expect before first char
* in conversion. */
- unsigned int finalLen; /* Length of following string. */
+ unsigned finalLen; /* Length of following string. */
char final[16]; /* String to emit or expect after last char in
* conversion. */
char prefixBytes[256]; /* If a byte in the input stream is the first
@@ -848,7 +848,7 @@ FreeEncoding(
encodingPtr->refCount--;
if (encodingPtr->refCount == 0) {
if (encodingPtr->freeProc != NULL) {
- (*encodingPtr->freeProc)(encodingPtr->clientData);
+ encodingPtr->freeProc(encodingPtr->clientData);
}
if (encodingPtr->hPtr != NULL) {
Tcl_DeleteHashEntry(encodingPtr->hPtr);
@@ -1128,15 +1128,14 @@ Tcl_ExternalToUtfDString(
if (src == NULL) {
srcLen = 0;
} else if (srcLen < 0) {
- srcLen = (*encodingPtr->lengthProc)(src);
+ srcLen = encodingPtr->lengthProc(src);
}
flags = TCL_ENCODING_START | TCL_ENCODING_END;
while (1) {
- result = (*encodingPtr->toUtfProc)(encodingPtr->clientData, src,
- srcLen, flags, &state, dst, dstLen, &srcRead, &dstWrote,
- &dstChars);
+ result = encodingPtr->toUtfProc(encodingPtr->clientData, src, srcLen,
+ flags, &state, dst, dstLen, &srcRead, &dstWrote, &dstChars);
soFar = dst + dstWrote - Tcl_DStringValue(dstPtr);
if (result != TCL_CONVERT_NOSPACE) {
@@ -1216,7 +1215,7 @@ Tcl_ExternalToUtf(
if (src == NULL) {
srcLen = 0;
} else if (srcLen < 0) {
- srcLen = (*encodingPtr->lengthProc)(src);
+ srcLen = encodingPtr->lengthProc(src);
}
if (statePtr == NULL) {
flags |= TCL_ENCODING_START | TCL_ENCODING_END;
@@ -1239,7 +1238,7 @@ Tcl_ExternalToUtf(
*/
dstLen--;
- result = (*encodingPtr->toUtfProc)(encodingPtr->clientData, src, srcLen,
+ result = encodingPtr->toUtfProc(encodingPtr->clientData, src, srcLen,
flags, statePtr, dst, dstLen, srcReadPtr, dstWrotePtr,
dstCharsPtr);
dst[*dstWrotePtr] = '\0';
@@ -1299,7 +1298,7 @@ Tcl_UtfToExternalDString(
}
flags = TCL_ENCODING_START | TCL_ENCODING_END;
while (1) {
- result = (*encodingPtr->fromUtfProc)(encodingPtr->clientData, src,
+ result = encodingPtr->fromUtfProc(encodingPtr->clientData, src,
srcLen, flags, &state, dst, dstLen, &srcRead, &dstWrote,
&dstChars);
soFar = dst + dstWrote - Tcl_DStringValue(dstPtr);
@@ -1401,7 +1400,7 @@ Tcl_UtfToExternal(
}
dstLen -= encodingPtr->nullSize;
- result = (*encodingPtr->fromUtfProc)(encodingPtr->clientData, src, srcLen,
+ result = encodingPtr->fromUtfProc(encodingPtr->clientData, src, srcLen,
flags, statePtr, dst, dstLen, srcReadPtr, dstWrotePtr,
dstCharsPtr);
if (encodingPtr->nullSize == 2) {
@@ -1660,7 +1659,7 @@ LoadTableEncoding(
char *line;
int i, hi, lo, numPages, symbol, fallback;
unsigned char used[256];
- unsigned int size;
+ unsigned size;
TableEncodingData *dataPtr;
unsigned short *pageMemPtr;
Tcl_EncodingType encType;
@@ -1937,7 +1936,7 @@ LoadEscapeEncoding(
Tcl_Channel chan) /* File containing new encoding. */
{
int i;
- unsigned int size;
+ unsigned size;
Tcl_DString escapeData;
char init[16], final[16];
EscapeEncodingData *dataPtr;
@@ -2981,7 +2980,7 @@ EscapeToUtfProc(
* correspond to the bytes stored in the
* output buffer. */
{
- EscapeEncodingData *dataPtr;
+ EscapeEncodingData *dataPtr = clientData;
char *prefixBytes, *tablePrefixBytes;
unsigned short **tableToUnicode;
Encoding *encodingPtr;
@@ -2990,11 +2989,8 @@ EscapeToUtfProc(
char *dstStart, *dstEnd;
result = TCL_OK;
-
tablePrefixBytes = NULL; /* lint. */
tableToUnicode = NULL; /* lint. */
-
- dataPtr = (EscapeEncodingData *) clientData;
prefixBytes = dataPtr->prefixBytes;
encodingPtr = NULL;
@@ -3018,7 +3014,7 @@ EscapeToUtfProc(
}
byte = *((unsigned char *) src);
if (prefixBytes[byte]) {
- unsigned int left, len, longest;
+ unsigned left, len, longest;
int checked, i;
EscapeSubTable *subTablePtr;
@@ -3118,7 +3114,7 @@ EscapeToUtfProc(
TableEncodingData *tableDataPtr;
encodingPtr = GetTableEncoding(dataPtr, state);
- tableDataPtr = (TableEncodingData *) encodingPtr->clientData;
+ tableDataPtr = encodingPtr->clientData;
tablePrefixBytes = tableDataPtr->prefixBytes;
tableToUnicode = tableDataPtr->toUnicode;
}
@@ -3195,7 +3191,7 @@ EscapeFromUtfProc(
* correspond to the bytes stored in the
* output buffer. */
{
- EscapeEncodingData *dataPtr;
+ EscapeEncodingData *dataPtr = clientData;
Encoding *encodingPtr;
const char *srcStart, *srcEnd, *srcClose;
char *dstStart, *dstEnd;
@@ -3206,8 +3202,6 @@ EscapeFromUtfProc(
result = TCL_OK;
- dataPtr = (EscapeEncodingData *) clientData;
-
srcStart = src;
srcEnd = src + srcLen;
srcClose = srcEnd;
@@ -3219,7 +3213,7 @@ EscapeFromUtfProc(
dstEnd = dst + dstLen - 1;
/*
- * RFC1468 states that the text starts in ASCII, and switches to Japanese
+ * RFC 1468 states that the text starts in ASCII, and switches to Japanese
* characters, and that the text must end in ASCII. [Patch 474358]
*/
@@ -3237,12 +3231,12 @@ EscapeFromUtfProc(
}
encodingPtr = GetTableEncoding(dataPtr, state);
- tableDataPtr = (TableEncodingData *) encodingPtr->clientData;
+ tableDataPtr = encodingPtr->clientData;
tablePrefixBytes = tableDataPtr->prefixBytes;
tableFromUnicode = tableDataPtr->fromUnicode;
for (numChars = 0; src < srcEnd; numChars++) {
- unsigned int len;
+ unsigned len;
int word;
Tcl_UniChar ch;
@@ -3265,7 +3259,7 @@ EscapeFromUtfProc(
oldState = state;
for (state = 0; state < dataPtr->numSubTables; state++) {
encodingPtr = GetTableEncoding(dataPtr, state);
- tableDataPtr = (TableEncodingData *) encodingPtr->clientData;
+ tableDataPtr = encodingPtr->clientData;
word = tableDataPtr->fromUnicode[(ch >> 8)][ch & 0xff];
if (word != 0) {
break;
@@ -3279,7 +3273,7 @@ EscapeFromUtfProc(
break;
}
encodingPtr = GetTableEncoding(dataPtr, state);
- tableDataPtr = (TableEncodingData *) encodingPtr->clientData;
+ tableDataPtr = encodingPtr->clientData;
word = tableDataPtr->fallback;
}
@@ -3332,22 +3326,22 @@ EscapeFromUtfProc(
}
if ((result == TCL_OK) && (flags & TCL_ENCODING_END)) {
- unsigned int len = dataPtr->subTables[0].sequenceLen;
+ unsigned len = dataPtr->subTables[0].sequenceLen;
+
/*
- * Certain encodings like iso2022-jp need to write
- * an escape sequence after all characters have
- * been converted. This logic checks that enough
- * room is available in the buffer for the escape bytes.
- * The TCL_ENCODING_END flag is cleared after a final
- * escape sequence has been added to the buffer so
- * that another call to this method does not attempt
- * to append escape bytes a second time.
+ * Certain encodings like iso2022-jp need to write an escape sequence
+ * after all characters have been converted. This logic checks that
+ * enough room is available in the buffer for the escape bytes. The
+ * TCL_ENCODING_END flag is cleared after a final escape sequence has
+ * been added to the buffer so that another call to this method does
+ * not attempt to append escape bytes a second time.
*/
+
if ((dst + dataPtr->finalLen + (state?len:0)) > dstEnd) {
result = TCL_CONVERT_NOSPACE;
} else {
if (state) {
- memcpy(dst, dataPtr->subTables[0].sequence, (size_t) len);
+ memcpy(dst, dataPtr->subTables[0].sequence, len);
dst += len;
}
memcpy(dst, dataPtr->final, (size_t) dataPtr->finalLen);
@@ -3385,11 +3379,10 @@ EscapeFreeProc(
ClientData clientData) /* EscapeEncodingData that specifies
* encoding. */
{
- EscapeEncodingData *dataPtr;
+ EscapeEncodingData *dataPtr = clientData;
EscapeSubTable *subTablePtr;
int i;
- dataPtr = (EscapeEncodingData *) clientData;
if (dataPtr == NULL) {
return;
}
@@ -3426,11 +3419,8 @@ GetTableEncoding(
EscapeEncodingData *dataPtr,/* Contains names of encodings. */
int state) /* Index in dataPtr of desired Encoding. */
{
- EscapeSubTable *subTablePtr;
- Encoding *encodingPtr;
-
- subTablePtr = &dataPtr->subTables[state];
- encodingPtr = subTablePtr->encodingPtr;
+ EscapeSubTable *subTablePtr = &dataPtr->subTables[state];
+ Encoding *encodingPtr = subTablePtr->encodingPtr;
if (encodingPtr == NULL) {
encodingPtr = (Encoding *) Tcl_GetEncoding(NULL, subTablePtr->name);
@@ -3539,7 +3529,7 @@ InitializeEncodingSearchPath(
bytes = Tcl_GetStringFromObj(searchPath, &numBytes);
*lengthPtr = numBytes;
- *valuePtr = ckalloc((unsigned int) numBytes + 1);
+ *valuePtr = ckalloc((unsigned) numBytes + 1);
memcpy(*valuePtr, bytes, (size_t) numBytes + 1);
Tcl_DecrRefCount(searchPath);
}
generated by cgit v0.12 at 2024-11-04 20:47:03 (GMT)