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Moved the freeMagic() of the labelList created for isolated substrate

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regions into extHardFreeAll(), where it is easy to detect if it has
already been freed along with the rest of the labeled regions, to avoid
a double free() call.
This commit is contained in:
R. Timothy Edwards
2026-07-17 13:39:51 -04:00
parent 42b346e318
commit a22b7508ac
1 changed files with 7 additions and 6 deletions
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extract/ExtHard.c
+7 -6
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@@ -247,10 +247,8 @@ extHardProc(scx, arg)
reg->treg_labels = NULL;
}
if (subList != NULL) freeMagic(subList);
/* No luck; it's as though there was no geometry at all */
extHardFreeAll(def, labRegList);
extHardFreeAll(def, labRegList, subList);
}
/* No luck; check our subcells recursively */
@@ -259,8 +257,7 @@ extHardProc(scx, arg)
goto done;
success:
if (subList != NULL) freeMagic(subList);
extHardFreeAll(def, labRegList);
extHardFreeAll(def, labRegList, subList);
ret = 1;
done:
@@ -480,13 +477,15 @@ extHardGenerateLabel(scx, reg, arg)
*/
void
extHardFreeAll(def, tReg)
extHardFreeAll(def, tReg, subList)
CellDef *def;
TransRegion *tReg;
LabelList *subList;
{
TransRegion *reg;
LabelList *ll;
FindRegion arg;
bool subFound = FALSE;
/* Don't need to initialize arg.fra_first below */
arg.fra_connectsTo = ExtCurStyle->exts_nodeConn;
@@ -512,10 +511,12 @@ extHardFreeAll(def, tReg)
{
if (ll->ll_label->lab_flags & LABEL_GENERATE) freeMagic(ll->ll_label);
freeMagic1(&mm1_, (char *) ll);
if (ll == subList) subFound = TRUE;
}
freeMagic1_end(&mm1_);
}
freeMagic1(&mm1, (char *) reg);
}
freeMagic1_end(&mm1);
if (!subFound && (subList != NULL)) freeMagic(subList);
}