Function GMT_Delete_Option

src/gmt_parse.c:1055–1074

! . */

/*! . */
int GMT_Delete_Option (void *V_API, struct GMT_OPTION *current, struct GMT_OPTION **head) {
	/* Remove the specified entry from the linked list.  It is assumed that current
	 * points to the correct option in the linked list. */
	struct GMTAPI_CTRL *API = NULL;

	if (V_API == NULL) return_error (V_API, GMT_NOT_A_SESSION);	/* GMT_Create_Session has not been called */
	if (!current) return_error (V_API, GMT_OPTION_IS_NULL);		/* No option was passed */
	API = gmtparse_get_api_ptr (V_API);	/* Cast void pointer to a GMTAPI_CTRL pointer */

	/* Remove the current option and bypass via the next/prev pointers in the linked list */
	if (current->next) current->next->previous = current->previous;
	if (current->previous)	/* Reset pointer from previous entry to current's next entry */
		current->previous->next = current->next;
	else	/* current == *head so there is no previous; must update head */
		*head = current->next;
	gmt_M_str_free (current->arg);	/* Option arguments were created by strdup, so we must use free */
	gmt_M_free (API->GMT, current);		/* Option structure was created by gmt_M_memory, hence gmt_M_free */

	return (GMT_OK);	/* No error encountered */
}

/*! . */
int GMT_Parse_Common (void *V_API, const char *given_options, struct GMT_OPTION *in_options) {