New capability to redirect program output used for toc in sector map file
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@ -150,6 +150,96 @@ int Xorriso_process_msg_queues(struct XorrisO *xorriso, int flag);
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/* The outlist stack allows to redirect the info and result messages from
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their normal channels into a pair of string lists which can at some
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later time be retrieved by the application.
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These redirection caches can be stacked to allow stacked applications.
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*/
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/* A list item able of forming double chained lists */
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struct Xorriso_lsT;
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/** Maximum number of stacked redirections */
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#define Xorriso_max_outlist_stacK 32
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/** Enable a new redirection of info and result channel. The normal message
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output and eventual older redirections will not see new messages until
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the redirection is ended by a call to Xorriso_pull_outlists() with the
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stack_handle value returned by this call.
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Redirected output is not written to the files of Xorriso_option_logfile()
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and the Xorriso_option_pkt_output() protocol will not be applied.
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@param xorriso The environment handle
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@param stack_handle returns an id number which is unique as long as
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its redirection is stacked. It may be re-used after
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its redirection was pulled from the stack.
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@param flag unused yet, submit 0
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@return 1 on success, <=0 if failure
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*/
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int Xorriso_push_outlists(struct XorrisO *xorriso, int *stack_handle,
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int flag);
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/** Disable the redirection given by stack_handle. If it was the current
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receiver of messages then switch output to the next older redirection.
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The messages collected by the disabled redirection are handed out as
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two lists. Both lists have to be disposed via Xorriso_lst_destroy_all()
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when they are no longer needed.
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The message lists are either NULL or represented by their first
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Xorriso_lsT item.
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@param xorriso The environment handle
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@param stack_handle The id number returned by Xorriso_push_outlists()
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@param result_list Result and mark messages (usually directed to stdout)
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@param info_list Info and mark messages (usually directed to stderr)
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@param flag unused yet, submit 0
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@return 1 on success, <=0 if failure
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*/
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int Xorriso_pull_outlists(struct XorrisO *xorriso, int stack_handle,
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struct Xorriso_lsT **result_list,
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struct Xorriso_lsT **info_list, int flag);
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/** Obtain the text message from the current list item.
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@param entry The current list item
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@param flag unused yet, submit 0
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@return pointer to the text content of the list item.
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This pointer does not have to be freed.
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*/
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char *Xorriso_lst_get_text(struct Xorriso_lsT *entry, int flag);
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/** Obtain the address of the next item in the chain of messages.
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An iteration over the output of Xorriso_pull_outlists() starts at the
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returned result_list resp. info_list and ends when this function returns
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NULL.
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@param entry The current list item
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@param flag unused yet, submit 0
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@return pointer to the next list item or NULL if end of list
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This pointer does not have to be freed.
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*/
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struct Xorriso_lsT *Xorriso_lst_get_next(struct Xorriso_lsT *entry, int flag);
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/** Obtain the address of the previous item in the chain of messages.
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@param entry The current list item
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@param flag unused yet, submit 0
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@return pointer to the previous list item or NULL if start of list
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This pointer does not have to be freed.
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*/
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struct Xorriso_lsT *Xorriso_lst_get_prev(struct Xorriso_lsT *entry, int flag);
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/** Destroy all list items which are directly or indirectly connected to
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the given link item.
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Apply this to each of the two list handles obtained by
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Xorriso_pull_outlists() when the lists are no longer needed.
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@param lstring pointer to the pointer to be freed and set to NULL
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@param flag unused yet, submit 0
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@return 0= *lstring was alredy NULL, 1= ok
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*/
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int Xorriso_lst_destroy_all(struct Xorriso_lsT **lstring, int flag);
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/* ---------------------------- Options API ------------------------ */
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/* See man 1 xorriso for explanation of the particular options */
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/*
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