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Fix memory leak of SGI row tables on repeated read()/write()

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This commit is contained in:
Mirco Miranda
2026-11-02 08:53:24 +01:00
parent 5db12c4594
commit 69f4cd4c87
1 changed files with 4 additions and 0 deletions
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src/imageformats/rgb.cpp
+4
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@@ -317,6 +317,8 @@ bool SGIImagePrivate::readImage(QImage &img)
// start table holds file offsets; raster data follows header + both tables // start table holds file offsets; raster data follows header + both tables
const quint32 dataOff = 512 + _numrows * 2 * sizeof(quint32); const quint32 dataOff = 512 + _numrows * 2 * sizeof(quint32);
uint l; uint l;
delete[] _starttab;
_starttab = new (std::nothrow) quint32[_numrows]; _starttab = new (std::nothrow) quint32[_numrows];
if (_starttab == nullptr) { if (_starttab == nullptr) {
return false; return false;
@@ -335,6 +337,7 @@ bool SGIImagePrivate::readImage(QImage &img)
_starttab[l] = 0; _starttab[l] = 0;
} }
delete[] _lengthtab;
_lengthtab = new (std::nothrow) quint32[_numrows]; _lengthtab = new (std::nothrow) quint32[_numrows];
if (_lengthtab == nullptr) { if (_lengthtab == nullptr) {
return false; return false;
@@ -802,6 +805,7 @@ bool SGIImagePrivate::writeImage(const QImage &image)
_pixmax = 0; _pixmax = 0;
_colormap = NORMAL; _colormap = NORMAL;
_numrows = _ysize * _zsize; _numrows = _ysize * _zsize;
delete[] _starttab;
_starttab = new (std::nothrow) quint32[_numrows]; _starttab = new (std::nothrow) quint32[_numrows];
if (_starttab == nullptr) { if (_starttab == nullptr) {
return false; return false;