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authorJames Meyer <James.meyer@operamail.com>2008-10-02 03:19:12 (GMT)
committerJames Meyer <James.meyer@operamail.com>2008-10-02 03:19:12 (GMT)
commit0e2532d4e8f4eed5e047f1db54d5c03ba849ec0a (patch)
treec0aa2c0b53c317be87eacfcb77b63f53f1f415e7 /abs/core/qt3/utf8-bug-qt3.diff
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initial import
Diffstat (limited to 'abs/core/qt3/utf8-bug-qt3.diff')
-rw-r--r--abs/core/qt3/utf8-bug-qt3.diff101
1 files changed, 101 insertions, 0 deletions
diff --git a/abs/core/qt3/utf8-bug-qt3.diff b/abs/core/qt3/utf8-bug-qt3.diff
new file mode 100644
index 0000000..43e84a9
--- /dev/null
+++ b/abs/core/qt3/utf8-bug-qt3.diff
@@ -0,0 +1,101 @@
+--- src/codecs/qutfcodec.cpp
++++ src/codecs/qutfcodec.cpp
+@@ -154,6 +154,7 @@
+
+ class QUtf8Decoder : public QTextDecoder {
+ uint uc;
++ uint min_uc;
+ int need;
+ bool headerDone;
+ public:
+@@ -167,8 +168,9 @@
+ result.setLength( len ); // worst case
+ QChar *qch = (QChar *)result.unicode();
+ uchar ch;
++ int error = -1;
+ for (int i=0; i<len; i++) {
+- ch = *chars++;
++ ch = chars[i];
+ if (need) {
+ if ( (ch&0xc0) == 0x80 ) {
+ uc = (uc << 6) | (ch & 0x3f);
+@@ -182,6 +184,8 @@
+ *qch++ = QChar(high);
+ *qch++ = QChar(low);
+ headerDone = TRUE;
++ } else if ((uc < min_uc) || (uc >= 0xd800 && uc <= 0xdfff) || (uc >= 0xfffe)) {
++ *qch++ = QChar::replacement;
+ } else {
+ if (headerDone || QChar(uc) != QChar::byteOrderMark)
+ *qch++ = uc;
+@@ -190,6 +194,7 @@
+ }
+ } else {
+ // error
++ i = error;
+ *qch++ = QChar::replacement;
+ need = 0;
+ }
+@@ -200,12 +205,21 @@
+ } else if ((ch & 0xe0) == 0xc0) {
+ uc = ch & 0x1f;
+ need = 1;
++ error = i;
++ min_uc = 0x80;
+ } else if ((ch & 0xf0) == 0xe0) {
+ uc = ch & 0x0f;
+ need = 2;
++ error = i;
++ min_uc = 0x800;
+ } else if ((ch&0xf8) == 0xf0) {
+ uc = ch & 0x07;
+ need = 3;
++ error = i;
++ min_uc = 0x10000;
++ } else {
++ // error
++ *qch++ = QChar::replacement;
+ }
+ }
+ }
+--- src/tools/qstring.cpp
++++ src/tools/qstring.cpp
+@@ -5805,6 +5805,7 @@
+ result.setLength( len ); // worst case
+ QChar *qch = (QChar *)result.unicode();
+ uint uc = 0;
++ uint min_uc = 0;
+ int need = 0;
+ int error = -1;
+ uchar ch;
+@@ -5822,6 +5823,12 @@
+ unsigned short low = uc%0x400 + 0xdc00;
+ *qch++ = QChar(high);
+ *qch++ = QChar(low);
++ } else if (uc < min_uc || (uc >= 0xd800 && uc <= 0xdfff) || (uc >= 0xfffe)) {
++ // overlong seqence, UTF16 surrogate or BOM
++ i = error;
++ qch = addOne(qch, result);
++ *qch++ = QChar(0xdbff);
++ *qch++ = QChar(0xde00+((uchar)utf8[i]));
+ } else {
+ *qch++ = uc;
+ }
+@@ -5844,14 +5851,17 @@
+ uc = ch & 0x1f;
+ need = 1;
+ error = i;
++ min_uc = 0x80;
+ } else if ((ch & 0xf0) == 0xe0) {
+ uc = ch & 0x0f;
+ need = 2;
+ error = i;
++ min_uc = 0x800;
+ } else if ((ch&0xf8) == 0xf0) {
+ uc = ch & 0x07;
+ need = 3;
+ error = i;
++ min_uc = 0x10000;
+ } else {
+ // Error
+ qch = addOne(qch, result);