load.c

/**
 * Loads dictionary into memory.  Returns true if successful else false.
 */
bool load(const char* dictionary)
{
    FILE* dict = fopen(dictionary, "r");
    if (dict == NULL)
    {
        printf("Dictionary could not be opened.\n");
        return false;
    }

    root = calloc(1, sizeof(node));
    node* ptr = root;
    for (int c = fgetc(dict); c != EOF; c = fgetc(dict))
    {
        if (isalpha(c))
        {
            if (ptr->children[c - 'a'] == NULL)
            {
                ptr->children[c - 'a'] = calloc(1, sizeof(node));
                ptr = ptr->children[c - 'a'];
            }

            else
            {
                ptr = ptr->children[c - 'a'];
            }
        }

        else if (c == '\'')
        {
            if (ptr->children[26] == NULL)
            {
                ptr->children[26] = calloc(1, sizeof(node));
                ptr = ptr->children[26];
            }

            else
            {
                ptr = ptr->children[26];
            }
        }

        // must be new-line
        else
        {
            ptr->is_word = true;
            ptr = root;
            words_loaded++;
        }
    }
    return true;
}