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0027703: BinTools_ShapeSet stream read bug

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Avoid out of array bounds read/write.
This commit is contained in:
msv 2016-07-22 12:07:24 +03:00 committed by bugmaster
parent 056072196c
commit 1aee6c8210
1 changed files with 5 additions and 2 deletions
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7
src/BinTools/BinTools_ShapeSet.cxx
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@ -395,8 +395,11 @@ void BinTools_ShapeSet::Read(Standard_IStream& IS)
IS.getline(vers,100,'\n');
// BUC60769 PTV 18.10.2000: remove possible '\r' at the end of the line
for (Standard_Size lv = (strlen(vers)- 1); lv > 1 && (vers[lv] == '\r' || vers[lv] == '\n') ;lv--)
vers[lv] = '\0';
Standard_Size lv = strlen(vers);
if (lv > 0) {
for (lv--; lv > 0 && (vers[lv] == '\r' || vers[lv] == '\n'); lv--)
vers[lv] = '\0';
}
} while ( ! IS.fail() && strcmp(vers,Version_1) && strcmp(vers,Version_2) &&
strcmp(vers,Version_3));