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RGB: fix a possible exception on the new

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Mirco Miranda
2026-02-12 13:42:58 +01:00
parent 169a874cba
commit 1ef779f370
1 changed files with 12 additions and 3 deletions
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15
src/imageformats/rgb.cpp
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@ -319,7 +319,10 @@ bool SGIImagePrivate::readImage(QImage &img)
if (_rle) { if (_rle) {
uint l; uint l;
_starttab = new quint32[_numrows]; _starttab = new (std::nothrow) quint32[_numrows];
if (_starttab == nullptr) {
return false;
}
for (l = 0; !_stream.atEnd() && l < _numrows; l++) { for (l = 0; !_stream.atEnd() && l < _numrows; l++) {
_stream >> _starttab[l]; _stream >> _starttab[l];
_starttab[l] -= 512 + _numrows * 2 * sizeof(quint32); _starttab[l] -= 512 + _numrows * 2 * sizeof(quint32);
@ -331,7 +334,10 @@ bool SGIImagePrivate::readImage(QImage &img)
_starttab[l] = 0; _starttab[l] = 0;
} }
_lengthtab = new quint32[_numrows]; _lengthtab = new (std::nothrow) quint32[_numrows];
if (_lengthtab == nullptr) {
return false;
}
for (l = 0; !_stream.atEnd() && l < _numrows; l++) { for (l = 0; !_stream.atEnd() && l < _numrows; l++) {
_stream >> _lengthtab[l]; _stream >> _lengthtab[l];
if (_stream.status() != QDataStream::Ok) { if (_stream.status() != QDataStream::Ok) {
@ -794,7 +800,10 @@ bool SGIImagePrivate::writeImage(const QImage &image)
_pixmax = 0; _pixmax = 0;
_colormap = NORMAL; _colormap = NORMAL;
_numrows = _ysize * _zsize; _numrows = _ysize * _zsize;
_starttab = new quint32[_numrows]; _starttab = new (std::nothrow) quint32[_numrows];
if (_starttab == nullptr) {
return false;
}
_rlemap.setBaseOffset(512 + _numrows * 2 * sizeof(quint32)); _rlemap.setBaseOffset(512 + _numrows * 2 * sizeof(quint32));
if (!scanData(image, tfmt, tcs)) { if (!scanData(image, tfmt, tcs)) {