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1<<31 upsets ubsan

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This commit is contained in:
Michael Davidsaver
2023-02-26 11:52:50 -08:00
parent f99a1cb0f3
commit d3f93746a8
4 changed files with 6 additions and 6 deletions
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2
modules/database/src/std/rec/mbboDirectRecord.c
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@@ -271,7 +271,7 @@ static long special(DBADDR *paddr, int after)
} else if(after==1 && fieldIndex >= mbboDirectRecordB0 && fieldIndex <= mbboDirectRecordB1F) {
/* Adjust VAL corresponding to the bit changed */
epicsUInt8 *pBn = (epicsUInt8 *) paddr->pfield;
epicsUInt32 bit = 1 << (pBn - &prec->b0);
epicsUInt32 bit = 1u << (pBn - &prec->b0);
/* Because this is !(VAL and PP), dbPut() will always post a monitor on this B* field
* after we return. We must keep track of this change separately from MLST to handle