XML in C - Golbarg

add_xattribute.c

xattribute_t* add_xattribute(xelement_t* e, const char* name, const char* value){
	// either element already has some attributes or not
	// in both situations we have to create a new attribute to add
	// we call it "atr" and first we initate it
	xattribute_t* atr = (xattribute_t*)malloc(sizeof(xattribute_t));
	atr->name = strdup(name);
	atr->value = strdup(value);
	atr->next = NULL;

	// Now we check if element has no attribute
	if (e->listatt == NULL) {
		e->listatt=atr;
	}
	// but if element already has some attributes, we add the new attribute
	// at the end of it's attribute list
	else {
		xattribute_t* temp = e->listatt;
		// go until reaching the last attribute
		while(temp->next != NULL){
			temp = temp->next;
		}

		temp->next = atr;
	}

	// then we return the newly added attribute
	return atr;
}