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fixed NULL check from getNextEntry

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Partho
2025-03-31 20:31:53 -04:00
parent 188c734465
commit c61a87634c
1 changed files with 11 additions and 1 deletions
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12
src/symbol_table.c
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@ -1221,7 +1221,17 @@ ListOfTable *getRestOfChildren(ListOfTable *lt) { return lt->next; }
TableNode *getFirstEntry(SymbolTable *st) { return st->entries; } TableNode *getFirstEntry(SymbolTable *st) { return st->entries; }
// Segfaults when passed an invalid table node! // Segfaults when passed an invalid table node!
TableNode *getNextEntry(TableNode *tn) { return tn; } TableNode *getNextEntry(TableNode *tn) {
if (tn == NULL) {
printdebug("passed a NULL table node to getNextEntry");
return undefined;
}
if (tn == undefined) {
printdebug("passed an undefined table node to getNextEntry");
return undefined;
}
return tn->next;
}
// uncomment the below main function along with the headers above for a simple // uncomment the below main function along with the headers above for a simple