diff options
Diffstat (limited to 'gnu/libexec/uucp/libuuconf/paramc.c')
| -rw-r--r-- | gnu/libexec/uucp/libuuconf/paramc.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/gnu/libexec/uucp/libuuconf/paramc.c b/gnu/libexec/uucp/libuuconf/paramc.c new file mode 100644 index 000000000000..a9c4a3d97382 --- /dev/null +++ b/gnu/libexec/uucp/libuuconf/paramc.c @@ -0,0 +1,175 @@ +/* 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 1993/08/05 18:25:45 conklin 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; +} |