home *** CD-ROM | disk | FTP | other *** search
- /* vsnams.c
- Get all known system names from the V2 configuration files.
-
- Copyright (C) 1992, 1995 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_vsnams_rcsid[] = "$Id: vsnams.c,v 1.8 1995/06/21 19:25:26 ian Rel $";
- #endif
-
- #include <errno.h>
-
- /* Get all the system names from the V2 L.sys file. This code does
- not support aliases, although some V2 versions do have an L-aliases
- file. */
-
- /*ARGSUSED*/
- int
- uuconf_v2_system_names (pglobal, ppzsystems, falias)
- pointer pglobal;
- char ***ppzsystems;
- int falias;
- {
- struct sglobal *qglobal = (struct sglobal *) pglobal;
- FILE *e;
- int iret;
- char *zline;
- size_t cline;
-
- *ppzsystems = NULL;
-
- e = fopen (qglobal->qprocess->zv2systems, "r");
- if (e == NULL)
- {
- if (FNO_SUCH_FILE ())
- return _uuconf_iadd_string (qglobal, (char *) NULL, FALSE, FALSE,
- ppzsystems, (pointer) NULL);
- qglobal->ierrno = errno;
- qglobal->zfilename = qglobal->qprocess->zv2systems;
- return (UUCONF_FOPEN_FAILED
- | UUCONF_ERROR_ERRNO
- | UUCONF_ERROR_FILENAME);
- }
-
- qglobal->ilineno = 0;
- iret = UUCONF_SUCCESS;
-
- zline = NULL;
- cline = 0;
- while (_uuconf_getline (qglobal, &zline, &cline, e) > 0)
- {
- char *zname;
-
- ++qglobal->ilineno;
-
- /* Skip leading whitespace to get to the system name. Then cut
- the system name off at the first whitespace, comment, or
- newline. */
- zname = zline + strspn (zline, " \t");
- zname[strcspn (zname, " \t#\n")] = '\0';
- if (*zname == '\0')
- continue;
-
- iret = _uuconf_iadd_string (qglobal, zname, TRUE, TRUE, ppzsystems,
- (pointer) NULL);
- if (iret != UUCONF_SUCCESS)
- break;
- }
-
- (void) fclose (e);
- if (zline != NULL)
- free ((pointer) zline);
-
- if (iret != UUCONF_SUCCESS)
- {
- qglobal->zfilename = qglobal->qprocess->zv2systems;
- return iret | UUCONF_ERROR_FILENAME | UUCONF_ERROR_LINENO;
- }
-
- if (*ppzsystems == NULL)
- iret = _uuconf_iadd_string (qglobal, (char *) NULL, FALSE, FALSE,
- ppzsystems, (pointer) NULL);
-
- return iret;
- }
-