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/* paramc.c
Handle protocol-parameter commands.
Copyright (C) 1992 Ian Lance Taylor
This file is part of the Taylor UUCP uuconf library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License
as published by the Free Software Foundation; either version 2 of
the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
The author of the program may be contacted at ian@airs.com or
c/o Infinity Development Systems, P.O. Box 520, Waltham, MA 02254.
*/
#include "uucnfi.h"
#if USE_RCS_ID
const char _uuconf_paramc_rcsid[] = "$Id: paramc.c,v 1.1 1993/08/04 19:34:51 jtc Exp $";
#endif
#include <errno.h>
/* Handle protocol-parameter commands by inserting them into an array
of structures. The return value may include UUCONF_CMDTABRET_KEEP
and UUCONF_CMDTABRET_EXIT, if appropriate. */
int
_uuconf_iadd_proto_param (qglobal, argc, argv, pqparam, pblock)
struct sglobal *qglobal;
int argc;
char **argv;
struct uuconf_proto_param **pqparam;
pointer pblock;
{
struct uuconf_proto_param *q;
size_t c;
struct uuconf_proto_param_entry *qentry;
if (argc < 2)
return UUCONF_SYNTAX_ERROR | UUCONF_CMDTABRET_EXIT;
/* The first argument is the protocol character. */
if (argv[0][1] != '\0')
return UUCONF_SYNTAX_ERROR | UUCONF_CMDTABRET_EXIT;
if (*pqparam == NULL)
{
*pqparam = ((struct uuconf_proto_param *)
uuconf_malloc (pblock,
2 * sizeof (struct uuconf_proto_param)));
if (*pqparam == NULL)
{
qglobal->ierrno = errno;
return (UUCONF_MALLOC_FAILED
| UUCONF_ERROR_ERRNO
| UUCONF_CMDTABRET_EXIT);
}
(*pqparam)[1].uuconf_bproto = '\0';
q = *pqparam;
q->uuconf_bproto = argv[0][0];
q->uuconf_qentries = NULL;
}
else
{
c = 0;
for (q = *pqparam; q->uuconf_bproto != '\0'; q++)
{
if (q->uuconf_bproto == argv[0][0])
break;
++c;
}
if (q->uuconf_bproto == '\0')
{
struct uuconf_proto_param *qnew;
qnew = ((struct uuconf_proto_param *)
uuconf_malloc (pblock,
((c + 2)
* sizeof (struct uuconf_proto_param))));
if (qnew == NULL)
{
qglobal->ierrno = errno;
return (UUCONF_MALLOC_FAILED
| UUCONF_ERROR_ERRNO
| UUCONF_CMDTABRET_EXIT);
}
memcpy ((pointer) qnew, (pointer) *pqparam,
c * sizeof (struct uuconf_proto_param));
qnew[c + 1].uuconf_bproto = '\0';
uuconf_free (pblock, *pqparam);
*pqparam = qnew;
q = qnew + c;
q->uuconf_bproto = argv[0][0];
q->uuconf_qentries = NULL;
}
}
if (q->uuconf_qentries == NULL)
{
qentry = ((struct uuconf_proto_param_entry *)
uuconf_malloc (pblock,
2 * sizeof (struct uuconf_proto_param_entry)));
if (qentry == NULL)
{
qglobal->ierrno = errno;
return (UUCONF_MALLOC_FAILED
| UUCONF_ERROR_ERRNO
| UUCONF_CMDTABRET_EXIT);
}
qentry[1].uuconf_cargs = 0;
q->uuconf_qentries = qentry;
}
else
{
struct uuconf_proto_param_entry *qnewent;
c = 0;
for (qentry = q->uuconf_qentries; qentry->uuconf_cargs != 0; qentry++)
++c;
qnewent = ((struct uuconf_proto_param_entry *)
uuconf_malloc (pblock,
((c + 2) *
sizeof (struct uuconf_proto_param_entry))));
if (qnewent == NULL)
{
qglobal->ierrno = errno;
return (UUCONF_MALLOC_FAILED
| UUCONF_ERROR_ERRNO
| UUCONF_CMDTABRET_EXIT);
}
memcpy ((pointer) qnewent, (pointer) q->uuconf_qentries,
c * sizeof (struct uuconf_proto_param_entry));
qnewent[c + 1].uuconf_cargs = 0;
uuconf_free (pblock, q->uuconf_qentries);
q->uuconf_qentries = qnewent;
qentry = qnewent + c;
}
qentry->uuconf_cargs = argc - 1;
qentry->uuconf_pzargs = (char **) uuconf_malloc (pblock,
((argc - 1)
* sizeof (char *)));
if (qentry->uuconf_pzargs == NULL)
{
qglobal->ierrno = errno;
qentry->uuconf_cargs = 0;
return (UUCONF_MALLOC_FAILED
| UUCONF_ERROR_ERRNO
| UUCONF_CMDTABRET_EXIT);
}
memcpy ((pointer) qentry->uuconf_pzargs, (pointer) (argv + 1),
(argc - 1) * sizeof (char *));
return UUCONF_CMDTABRET_KEEP;
}
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