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- /* hsnams.c
- Get all known system names from the HDB configuration files.
-
- 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- The author of the program may be contacted at ian@airs.com or
- c/o Cygnus Support, 48 Grove Street, Somerville, MA 02144.
- */
-
- #include "uucnfi.h"
-
- #if USE_RCS_ID
- const char _uuconf_hsnams_rcsid[] = "$Id: hsnams.c,v 1.6 1995/06/21 19:23:06 ian Rel $";
- #endif
-
- #include <errno.h>
- #include <ctype.h>
-
- /* Get all the system names from the HDB Systems file. We have to
- read the Permissions file in order to support aliases. */
-
- int
- uuconf_hdb_system_names (pglobal, ppzsystems, falias)
- pointer pglobal;
- char ***ppzsystems;
- int falias;
- {
- struct sglobal *qglobal = (struct sglobal *) pglobal;
- int iret;
- char *zline;
- size_t cline;
- char **pz;
-
- *ppzsystems = NULL;
-
- iret = UUCONF_SUCCESS;
-
- zline = NULL;
- cline = 0;
-
- for (pz = qglobal->qprocess->pzhdb_systems; *pz != NULL; pz++)
- {
- FILE *e;
-
- e = fopen (*pz, "r");
- if (e == NULL)
- {
- if (FNO_SUCH_FILE ())
- continue;
- qglobal->ierrno = errno;
- iret = UUCONF_FOPEN_FAILED | UUCONF_ERROR_ERRNO;
- break;
- }
-
- qglobal->ilineno = 0;
-
- while (_uuconf_getline (qglobal, &zline, &cline, e) > 0)
- {
- ++qglobal->ilineno;
-
- /* Lines beginning with whitespace are treated as comments.
- No system name can contain a '#', which is another
- comment character, so eliminating the first '#' does no
- harm and catches comments. */
- zline[strcspn (zline, " \t#\n")] = '\0';
- if (*zline == '\0')
- continue;
-
- iret = _uuconf_iadd_string (qglobal, zline, TRUE, TRUE,
- ppzsystems, (pointer) NULL);
- if (iret != UUCONF_SUCCESS)
- {
- iret |= UUCONF_ERROR_LINENO;
- break;
- }
- }
-
- (void) fclose (e);
- }
-
- if (zline != NULL)
- free ((pointer) zline);
-
- if (iret != UUCONF_SUCCESS)
- {
- qglobal->zfilename = *pz;
- return iret | UUCONF_ERROR_FILENAME;
- }
-
- /* If we are supposed to return aliases, we must read the
- Permissions file. */
- if (falias)
- {
- struct shpermissions *q;
-
- if (! qglobal->qprocess->fhdb_read_permissions)
- {
- iret = _uuconf_ihread_permissions (qglobal);
- if (iret != UUCONF_SUCCESS)
- return iret;
- }
-
- for (q = qglobal->qprocess->qhdb_permissions;
- q != NULL;
- q = q->qnext)
- {
- pz = q->pzalias;
- if (pz == NULL || pz == (char **) &_uuconf_unset)
- continue;
-
- for (; *pz != NULL; pz++)
- {
- iret = _uuconf_iadd_string (qglobal, *pz, TRUE, TRUE,
- ppzsystems, (pointer) NULL);
- if (iret != UUCONF_SUCCESS)
- return iret;
- }
- }
- }
-
- if (*ppzsystems == NULL)
- iret = _uuconf_iadd_string (qglobal, (char *) NULL, FALSE, FALSE,
- ppzsystems, (pointer) NULL);
-
- return iret;
- }
-