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protect NULL pointer

This commit is contained in:
Francois Donnet 2004-06-14 17:31:45 +00:00
parent a45d9f9f5d
commit e9e0731be3
1 changed files with 8 additions and 0 deletions
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8
alliance/src/boog/src/bog_map_adapt.c
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@ -176,6 +176,10 @@ static chain_list* loc_adapt_abl(chain_list* expr, float C)
/*take the first value*/
for (port=cell->PORT; port; port=port->NEXT) if (port->C!=0) break;
if (!port)
{
return expr;
}
for (abl=ABL_CDR(expr); abl; abl=ABL_CDR(abl)) {
ABL_CAR(abl)=loc_adapt_abl(ABL_CAR(abl),port->C);
}
@ -252,6 +256,10 @@ extern chain_list* adapt_abl(chain_list* expr)
/*take the first value*/
for (port=cell->PORT; port; port=port->NEXT) if (port->C!=0) break;
if (!port)
{
return expr;
}
for (abl=ABL_CDR(expr); abl; abl=ABL_CDR(abl)) {
ABL_CAR(abl)=loc_adapt_abl(ABL_CAR(abl),port->C);
}