kopia lustrzana https://github.com/AlexandreRouma/SDRPlusPlus
fix memcpy erroneously used on overlapping buffer regions as described in #1379
rodzic
ea08fac32e
commit
779ef7ecf1
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@ -41,10 +41,10 @@ namespace dsp::filter {
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// Move existing data to make transition seemless
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// Move existing data to make transition seemless
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if (_taps.size < oldTC) {
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if (_taps.size < oldTC) {
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memcpy(buffer, &buffer[oldTC - _taps.size], (_taps.size - 1) * sizeof(D));
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memmove(buffer, &buffer[oldTC - _taps.size], (_taps.size - 1) * sizeof(D));
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}
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}
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else if (_taps.size > oldTC) {
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else if (_taps.size > oldTC) {
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memcpy(&buffer[_taps.size - oldTC], buffer, (oldTC - 1) * sizeof(D));
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memmove(&buffer[_taps.size - oldTC], buffer, (oldTC - 1) * sizeof(D));
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buffer::clear<D>(buffer, _taps.size - oldTC);
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buffer::clear<D>(buffer, _taps.size - oldTC);
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}
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}
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