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Fix nullptr segfault in VerilatedVcd::emitTimeChange() (#5980)

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Dominick Grochowina 2025-05-11 08:01:13 -04:00 committed by GitHub
parent fe4ad7de64
commit 295fae0edc
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2 changed files with 2 additions and 1 deletions
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docs/CONTRIBUTORS
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@ -45,6 +45,7 @@ David Stanford
David Turner David Turner
Dercury Dercury
Diego Roux Diego Roux
Dominick Grochowina
Don Williamson Don Williamson
Drew Ranck Drew Ranck
Drew Taussig Drew Taussig

2
include/verilated_vcd_c.cpp
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@ -193,7 +193,7 @@ void VerilatedVcd::emitTimeChange(uint64_t timeui) {
// timestamp backup and overwrite it. // timestamp backup and overwrite it.
// This is faster then checking on every signal change if time needs to // This is faster then checking on every signal change if time needs to
// be emitted. Note buffer flushes may still emit a rare duplicate. // be emitted. Note buffer flushes may still emit a rare duplicate.
if (m_wrTimeEndp == m_writep) m_writep = m_wrTimeBeginp; if (m_wrTimeBeginp && m_wrTimeEndp == m_writep) m_writep = m_wrTimeBeginp;
m_wrTimeBeginp = m_writep; m_wrTimeBeginp = m_writep;
{ {
printStr("#"); printStr("#");