int cp (int argc, char *argv[])
{
Stat_s a;
Stat_s b;
a = t_get_stats(TreeA);
b = t_get_stats(TreeB);
if (memcmp( &a, &b, sizeof(a)) != 0) {
printf("We have a problem Huston.\n");
stp(argc, argv);
}
return t_compare(TreeA, TreeB);
}
/**The comparison function used with scandir
*
*This function checks which flags are active to deside how to compare.
*It utilises the strcasecmp function
*to check whether the first string is less than, equal to,
*or greater than the second string, and will return -1, 0, or 1
*repectively.
*@param[in] entry1 the first entry to be compared
*@param[in] entry2 the second entry to be compared
*@return an integer -1, 0, or 1 if the first string was less
*than, equal to or greater than the second.
*/
int compare(const struct dirent** entry1, const struct dirent** entry2)
{
//sort by time
if(t_flag)
{
return t_compare(entry1, entry2);
}
//sort by size in bytes
if(S_flag)
{
return S_compare(entry1, entry2);
}
//otherwise sort alphabetically (ascending)
if(!r_flag) return strcasecmp((*entry1)->d_name,(*entry2)->d_name);
//descending
return strcasecmp((*entry2)->d_name,(*entry1)->d_name);
}
/* Return data type after OPERAND operator OPERAND */
int type_after_operation(const int *operator_type, const TVariable *var_1, const TVariable *var_2)
{
/* String XOR String */
if (t_compare(var_1, TYPE_STRING) ^ t_compare(var_2, TYPE_STRING)) {
my_exit_error(E_SEMANTIC_TYPES, 1);
}
switch (*operator_type) {
case TOKEN_MUL:
case TOKEN_DIV:
case TOKEN_ADD:
case TOKEN_SUB:
/* String +/-* String */
if (t_compare(var_1, TYPE_STRING) || t_compare(var_2, TYPE_STRING)) {
my_exit_error(E_SEMANTIC_TYPES, 2);
}
if (t_compare(var_1, TYPE_DOUBLE) || t_compare(var_2, TYPE_DOUBLE)) {
return TYPE_DOUBLE;
}
}
return TYPE_INT;
}
