mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
synced 2024-11-18 22:54:00 +00:00
102 lines
2.6 KiB
Diff
102 lines
2.6 KiB
Diff
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--- src/codecs/qutfcodec.cpp
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+++ src/codecs/qutfcodec.cpp
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@@ -154,6 +154,7 @@
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class QUtf8Decoder : public QTextDecoder {
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uint uc;
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+ uint min_uc;
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int need;
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bool headerDone;
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public:
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@@ -167,8 +168,9 @@
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result.setLength( len ); // worst case
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QChar *qch = (QChar *)result.unicode();
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uchar ch;
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+ int error = -1;
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for (int i=0; i<len; i++) {
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- ch = *chars++;
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+ ch = chars[i];
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if (need) {
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if ( (ch&0xc0) == 0x80 ) {
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uc = (uc << 6) | (ch & 0x3f);
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@@ -182,6 +184,8 @@
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*qch++ = QChar(high);
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*qch++ = QChar(low);
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headerDone = TRUE;
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+ } else if ((uc < min_uc) || (uc >= 0xd800 && uc <= 0xdfff) || (uc >= 0xfffe)) {
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+ *qch++ = QChar::replacement;
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} else {
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if (headerDone || QChar(uc) != QChar::byteOrderMark)
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*qch++ = uc;
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@@ -190,6 +194,7 @@
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}
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} else {
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// error
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+ i = error;
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*qch++ = QChar::replacement;
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need = 0;
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}
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@@ -200,12 +205,21 @@
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} else if ((ch & 0xe0) == 0xc0) {
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uc = ch & 0x1f;
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need = 1;
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+ error = i;
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+ min_uc = 0x80;
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} else if ((ch & 0xf0) == 0xe0) {
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uc = ch & 0x0f;
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need = 2;
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+ error = i;
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+ min_uc = 0x800;
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} else if ((ch&0xf8) == 0xf0) {
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uc = ch & 0x07;
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need = 3;
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+ error = i;
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+ min_uc = 0x10000;
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+ } else {
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+ // error
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+ *qch++ = QChar::replacement;
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}
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}
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}
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--- src/tools/qstring.cpp
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+++ src/tools/qstring.cpp
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@@ -5805,6 +5805,7 @@
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result.setLength( len ); // worst case
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QChar *qch = (QChar *)result.unicode();
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uint uc = 0;
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+ uint min_uc = 0;
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int need = 0;
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int error = -1;
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uchar ch;
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@@ -5822,6 +5823,12 @@
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unsigned short low = uc%0x400 + 0xdc00;
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*qch++ = QChar(high);
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*qch++ = QChar(low);
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+ } else if (uc < min_uc || (uc >= 0xd800 && uc <= 0xdfff) || (uc >= 0xfffe)) {
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+ // overlong seqence, UTF16 surrogate or BOM
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+ i = error;
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+ qch = addOne(qch, result);
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+ *qch++ = QChar(0xdbff);
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+ *qch++ = QChar(0xde00+((uchar)utf8[i]));
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} else {
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*qch++ = uc;
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}
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@@ -5844,14 +5851,17 @@
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uc = ch & 0x1f;
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need = 1;
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error = i;
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+ min_uc = 0x80;
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} else if ((ch & 0xf0) == 0xe0) {
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uc = ch & 0x0f;
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need = 2;
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error = i;
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+ min_uc = 0x800;
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} else if ((ch&0xf8) == 0xf0) {
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uc = ch & 0x07;
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need = 3;
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error = i;
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+ min_uc = 0x10000;
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} else {
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// Error
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qch = addOne(qch, result);
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