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PVS static analyzer - 5.0 Release: Difference between revisions
PVS static analyzer - 5.0 Release (view source)
Revision as of 00:56, 5 January 2019
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<td style='width: 30%;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (44)</div></td> | <td style='width: 30%; text-decoration: line-through;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (44)</div></td> | ||
<td style='width: 5%;'>[https://www.viva64.com/en/w/v550/ V550]</td> | <td style='width: 5%;'>[https://www.viva64.com/en/w/v550/ V550]</td> | ||
<td style='width: 65%;'>An odd precise comparison: octave::math::x_nint(x) == x. It's probably better to use a comparison with defined precision: fabs(A - B) < Epsilon.</td> | <td style='width: 65%;'>An odd precise comparison: octave::math::x_nint(x) == x. It's probably better to use a comparison with defined precision: fabs(A - B) < Epsilon.</td> | ||
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<td style='width: 30%;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (47)</div></td> | <td style='width: 30%; text-decoration: line-through;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (47)</div></td> | ||
<td style='width: 5%;'>[https://www.viva64.com/en/w/v550/ V550]</td> | <td style='width: 5%;'>[https://www.viva64.com/en/w/v550/ V550]</td> | ||
<td style='width: 65%;'>An odd precise comparison: x == 0. It's probably better to use a comparison with defined precision: fabs(A - B) < Epsilon.</td> | <td style='width: 65%;'>An odd precise comparison: x == 0. It's probably better to use a comparison with defined precision: fabs(A - B) < Epsilon.</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
<td style='width: 30%;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (47)</div></td> | <td style='width: 30%; text-decoration: line-through;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (47)</div></td> | ||
<td style='width: 5%;'>[https://www.viva64.com/en/w/v550/ V550]</td> | <td style='width: 5%;'>[https://www.viva64.com/en/w/v550/ V550]</td> | ||
<td style='width: 65%;'>An odd precise comparison: x == 1. It's probably better to use a comparison with defined precision: fabs(A - B) < Epsilon.</td> | <td style='width: 65%;'>An odd precise comparison: x == 1. It's probably better to use a comparison with defined precision: fabs(A - B) < Epsilon.</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
<td style='width: 30%;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (50)</div></td> | <td style='width: 30%; text-decoration: line-through;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (50)</div></td> | ||
<td style='width: 5%;'>[https://www.viva64.com/en/w/v550/ V550]</td> | <td style='width: 5%;'>[https://www.viva64.com/en/w/v550/ V550]</td> | ||
<td style='width: 65%;'>An odd precise comparison: x == 0. It's probably better to use a comparison with defined precision: fabs(A - B) < Epsilon.</td> | <td style='width: 65%;'>An odd precise comparison: x == 0. It's probably better to use a comparison with defined precision: fabs(A - B) < Epsilon.</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
<td style='width: 30%;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (65)</div></td> | <td style='width: 30%; text-decoration: line-through;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (65)</div></td> | ||
<td style='width: 5%;'>[https://www.viva64.com/en/w/v550/ V550]</td> | <td style='width: 5%;'>[https://www.viva64.com/en/w/v550/ V550]</td> | ||
<td style='width: 65%;'>An odd precise comparison: octave::math::x_nint(x) == x. It's probably better to use a comparison with defined precision: fabs(A - B) < Epsilon.</td> | <td style='width: 65%;'>An odd precise comparison: octave::math::x_nint(x) == x. It's probably better to use a comparison with defined precision: fabs(A - B) < Epsilon.</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
<td style='width: 30%;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (68)</div></td> | <td style='width: 30%; text-decoration: line-through;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (68)</div></td> | ||
<td style='width: 5%;'>[https://www.viva64.com/en/w/v550/ V550]</td> | <td style='width: 5%;'>[https://www.viva64.com/en/w/v550/ V550]</td> | ||
<td style='width: 65%;'>An odd precise comparison: x == 0. It's probably better to use a comparison with defined precision: fabs(A - B) < Epsilon.</td> | <td style='width: 65%;'>An odd precise comparison: x == 0. It's probably better to use a comparison with defined precision: fabs(A - B) < Epsilon.</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
<td style='width: 30%;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (68)</div></td> | <td style='width: 30%; text-decoration: line-through;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (68)</div></td> | ||
<td style='width: 5%;'>[https://www.viva64.com/en/w/v550/ V550]</td> | <td style='width: 5%;'>[https://www.viva64.com/en/w/v550/ V550]</td> | ||
<td style='width: 65%;'>An odd precise comparison: x == 1. It's probably better to use a comparison with defined precision: fabs(A - B) < Epsilon.</td> | <td style='width: 65%;'>An odd precise comparison: x == 1. It's probably better to use a comparison with defined precision: fabs(A - B) < Epsilon.</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
<td style='width: 30%;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (71)</div></td> | <td style='width: 30%; text-decoration: line-through;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (71)</div></td> | ||
<td style='width: 5%;'>[https://www.viva64.com/en/w/v550/ V550]</td> | <td style='width: 5%;'>[https://www.viva64.com/en/w/v550/ V550]</td> | ||
<td style='width: 65%;'>An odd precise comparison: x == 0. It's probably better to use a comparison with defined precision: fabs(A - B) < Epsilon.</td> | <td style='width: 65%;'>An odd precise comparison: x == 0. It's probably better to use a comparison with defined precision: fabs(A - B) < Epsilon.</td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
<td style='width: 30%;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (110)</div></td> | <td style='width: 30%; text-decoration: line-through;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (110)</div></td> | ||
<td style='width: 5%;'>[https://www.viva64.com/en/w/v575/ V575]</td> | <td style='width: 5%;'>[https://www.viva64.com/en/w/v575/ V575]</td> | ||
<td style='width: 65%;'>The potential null pointer is passed into 'fgets' function. Inspect the first argument. Check lines: 110, 104.</td> | <td style='width: 65%;'>The potential null pointer is passed into 'fgets' function. Inspect the first argument. Check lines: 110, 104.</td> | ||
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<td style='width: 30%;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (120)</div></td> | <td style='width: 30%; text-decoration: line-through;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (120)</div></td> | ||
<td style='width: 5%;'>[https://www.viva64.com/en/w/v769/ V769]</td> | <td style='width: 5%;'>[https://www.viva64.com/en/w/v769/ V769]</td> | ||
<td style='width: 65%;'>The 'buf' pointer in the 'buf + tmp' expression could be nullptr. In such case, resulting value will be senseless and it should not be used. Check lines: 120, 119.</td> | <td style='width: 65%;'>The 'buf' pointer in the 'buf + tmp' expression could be nullptr. In such case, resulting value will be senseless and it should not be used. Check lines: 120, 119.</td> | ||
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<td style='width: 30%;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (119)</div></td> | <td style='width: 30%; text-decoration: line-through;'><div title="/home/pavel/oct/octave/liboctave/util/lo-utils.cc">lo-utils.cc (119)</div></td> | ||
<td style='width: 5%;'>[https://www.viva64.com/en/w/v701/ V701]</td> | <td style='width: 5%;'>[https://www.viva64.com/en/w/v701/ V701]</td> | ||
<td style='width: 65%;'>realloc() possible leak: when realloc() fails in allocating memory, original pointer 'buf' is lost. Consider assigning realloc() to a temporary pointer.</td> | <td style='width: 65%;'>realloc() possible leak: when realloc() fails in allocating memory, original pointer 'buf' is lost. Consider assigning realloc() to a temporary pointer.</td> | ||