107 lines
2.9 KiB
C
107 lines
2.9 KiB
C
/* vsnams.c
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Get all known system names from the V2 configuration files.
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Copyright (C) 1992 Ian Lance Taylor
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This file is part of the Taylor UUCP uuconf library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License
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as published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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The author of the program may be contacted at ian@airs.com or
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c/o Infinity Development Systems, P.O. Box 520, Waltham, MA 02254.
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*/
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#include "uucnfi.h"
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#if USE_RCS_ID
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const char _uuconf_vsnams_rcsid[] = "$Id: vsnams.c,v 1.1 1993/08/04 19:35:29 jtc Exp $";
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#endif
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#include <errno.h>
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/* Get all the system names from the V2 L.sys file. This code does
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not support aliases, although some V2 versions do have an L-aliases
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file. */
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/*ARGSUSED*/
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int
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uuconf_v2_system_names (pglobal, ppzsystems, falias)
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pointer pglobal;
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char ***ppzsystems;
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int falias;
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{
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struct sglobal *qglobal = (struct sglobal *) pglobal;
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FILE *e;
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int iret;
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char *zline;
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size_t cline;
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*ppzsystems = NULL;
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e = fopen (qglobal->qprocess->zv2systems, "r");
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if (e == NULL)
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{
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if (FNO_SUCH_FILE ())
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return _uuconf_iadd_string (qglobal, (char *) NULL, FALSE, FALSE,
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ppzsystems, (pointer) NULL);
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qglobal->ierrno = errno;
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qglobal->zfilename = qglobal->qprocess->zv2systems;
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return (UUCONF_FOPEN_FAILED
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| UUCONF_ERROR_ERRNO
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| UUCONF_ERROR_FILENAME);
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}
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qglobal->ilineno = 0;
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iret = UUCONF_SUCCESS;
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zline = NULL;
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cline = 0;
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while (getline (&zline, &cline, e) > 0)
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{
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char *zname;
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++qglobal->ilineno;
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/* Skip leading whitespace to get to the system name. Then cut
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the system name off at the first whitespace, comment, or
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newline. */
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zname = zline + strspn (zline, " \t");
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zname[strcspn (zname, " \t#\n")] = '\0';
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if (*zname == '\0')
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continue;
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iret = _uuconf_iadd_string (qglobal, zname, TRUE, TRUE, ppzsystems,
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(pointer) NULL);
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if (iret != UUCONF_SUCCESS)
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break;
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}
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(void) fclose (e);
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if (zline != NULL)
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free ((pointer) zline);
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if (iret != UUCONF_SUCCESS)
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{
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qglobal->zfilename = qglobal->qprocess->zv2systems;
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return iret | UUCONF_ERROR_FILENAME | UUCONF_ERROR_LINENO;
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}
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if (*ppzsystems == NULL)
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iret = _uuconf_iadd_string (qglobal, (char *) NULL, FALSE, FALSE,
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ppzsystems, (pointer) NULL);
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return iret;
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}
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