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/*
* Copyright 2007 Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*/
/*
* Copyright 1987, 1988 by MIT Student Information Processing Board
*
* For copyright information, see copyright.h.
*/
#include "ss_internal.h"
#include "copyright.h"
#define size sizeof(ss_data *)
/* XXX The memory in _ss_table never gets freed up until program exit!
If you change the code to free it and stick a null pointer into
_ss_table[sci_idx], make sure you change the allocation routine to
not assume there are no null pointers in the middle of the
array. */
int ss_create_invocation(subsystem_name, version_string, info_ptr,
request_table_ptr, code_ptr)
char *subsystem_name, *version_string;
char *info_ptr;
ss_request_table *request_table_ptr;
int *code_ptr;
{
register int sci_idx;
register ss_data *new_table;
register ss_data **table, **tmp;
*code_ptr = 0;
table = _ss_table;
new_table = (ss_data *) malloc(sizeof(ss_data));
if (new_table == NULL) {
*code_ptr = errno;
return -1;
}
if (table == (ss_data **) NULL) {
table = (ss_data **) malloc(2 * size);
if (table == NULL) {
*code_ptr = errno;
return -1;
}
table[0] = table[1] = (ss_data *)NULL;
_ss_table = table;
}
initialize_ss_error_table ();
for (sci_idx = 1; table[sci_idx] != (ss_data *)NULL; sci_idx++)
;
tmp = (ss_data **) realloc((char *)table,
((unsigned)sci_idx+2)*size);
if (tmp == NULL) {
*code_ptr = errno;
return 0;
}
_ss_table = table = tmp;
table[sci_idx+1] = (ss_data *) NULL;
table[sci_idx] = NULL;
new_table->subsystem_name = subsystem_name;
new_table->subsystem_version = version_string;
new_table->argv = (char **)NULL;
new_table->current_request = (char *)NULL;
new_table->info_dirs = (char **)malloc(sizeof(char *));
if (new_table->info_dirs == NULL) {
*code_ptr = errno;
free(new_table);
return 0;
}
*new_table->info_dirs = (char *)NULL;
new_table->info_ptr = info_ptr;
if (asprintf(&new_table->prompt, "%s: ", subsystem_name) < 0) {
*code_ptr = errno;
free(new_table->info_dirs);
free(new_table);
return 0;
}
new_table->abbrev_info = NULL;
new_table->flags.escape_disabled = 0;
new_table->flags.abbrevs_disabled = 0;
new_table->rqt_tables =
(ss_request_table **) calloc(2, sizeof(ss_request_table *));
if (new_table->rqt_tables == NULL) {
*code_ptr = errno;
free(new_table->prompt);
free(new_table->info_dirs);
free(new_table);
return 0;
}
*(new_table->rqt_tables) = request_table_ptr;
*(new_table->rqt_tables+1) = (ss_request_table *) NULL;
table[sci_idx] = new_table;
return(sci_idx);
}
void
ss_delete_invocation(sci_idx)
int sci_idx;
{
register ss_data *t;
int ignored_code;
t = ss_info(sci_idx);
free(t->prompt);
free(t->rqt_tables);
while(t->info_dirs[0] != (char *)NULL)
ss_delete_info_dir(sci_idx, t->info_dirs[0], &ignored_code);
free(t->info_dirs);
free(t);
}
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