Why does Integer work, but not Boolean in Linux?

[LiquidE_SA]

Can anyone please tell me why this code code gives a segmentation? The class NonLeafTrieNode { public: NonLeafTrieNode(){}; NonLeafTrieNode(char); private: friend class Trie; NonLeafTrieNode **ptrs; char *letters; int endOfWord; bool isLeaf; }; The code below are in the Trie class and I use this to access the isLeaf variable in the class. int flag = p->ptrs[pos]->isLeaf; if (!(pos == -1) && flag) If I keep the isLeaf variable a boolean the code gives a segmentation fault, but whenever I make it a integer the code works perfectly. Can anyone tell me why this happens. Thanks a lot LiquidE_SA

[Graham Bradshaw]

The implication from your code is that -1 is a possible value for pos. In that case, p->ptrs[pos] is never going to work...

[PJ Arends]

LiquidE_SA wrote: int flag = p->ptrs[pos]->isLeaf; flag is an int and you are trying to assign a bool to it. When you change isLeaf to an int the types are the same.

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[Jorgen Sigvardsson]

bool != int -- Look straight into the light!

[Prakash Nadar]

LiquidE_SA wrote: int flag = p->ptrs[pos]->isLeaf; change it to bool flag = p->ptrs[pos]->isLeaf;

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-prakash