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Prevent crash upon buggy user input

This commit is contained in:
Holger Vogt 2024-06-28 15:05:28 +02:00
parent 442d8554f0
commit 28d8301b5f
1 changed files with 8 additions and 1 deletions
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9
src/spicelib/parser/inpptree.c
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@ -753,7 +753,7 @@ static INPparseNode *PTdifferentiate(INPparseNode * p, int varnum)
break;
default:
fprintf(stderr, "Internal error: bad node type %d\n", p->type);
fprintf(stderr, "Error: bad node type %d\n", p->type);
newp = NULL;
break;
}
@ -778,6 +778,10 @@ static INPparseNode *mkb(int type, INPparseNode * left,
INPparseNode *p;
int i;
if (!right || !left) {
return (NULL);
}
if ((right->type == PT_CONSTANT) && (left->type == PT_CONSTANT)) {
double value;
switch (type) {
@ -890,6 +894,9 @@ static INPparseNode *mkf(int type, INPparseNode * arg)
INPparseNode *p;
int i;
if (!arg)
return NULL;
for (i = 0; i < NUM_FUNCS; i++)
if (funcs[i].number == type)
break;