Function msRemoveHashTable

maphash.c:170–210

}

int msRemoveHashTable(hashTableObj *table, const char *key)
{ 
    struct hashObj *tp;
    struct hashObj *prev_tp=NULL;
    int status = MS_FAILURE;

    if (!table || !key) {
        msSetError(MS_HASHERR, "No hash table", "msRemoveHashTable");
        return MS_FAILURE;
    }
  
    tp=table->items[hash(key)];
    if (!tp) {
        msSetError(MS_HASHERR, "No such hash entry", "msRemoveHashTable");
        return MS_FAILURE;
    }

    prev_tp = NULL;
    while (tp != NULL) {
        if (strcasecmp(key, tp->key) == 0) {
            status = MS_SUCCESS;
            if (prev_tp) {     
                prev_tp->next = tp->next;
                free(tp);
                break;
            }
            else {
                table->items[hash(key)] = tp->next;
                free(tp);
                break;
            }
        }
        prev_tp = tp;
        tp = tp->next;
    }

    if (status == MS_SUCCESS)
        table->numitems--;

    return status;
}
      
const char *msFirstKeyFromHashTable( hashTableObj *table )
{