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Annotation of coherent/g/usr/lib/uucp/tay104/uuconf/vsnams.c, revision 1.1.1.1

1.1       root        1: /* vsnams.c
                      2:    Get all known system names from the V2 configuration files.
                      3: 
                      4:    Copyright (C) 1992 Ian Lance Taylor
                      5: 
                      6:    This file is part of the Taylor UUCP uuconf library.
                      7: 
                      8:    This library is free software; you can redistribute it and/or
                      9:    modify it under the terms of the GNU Library General Public License
                     10:    as published by the Free Software Foundation; either version 2 of
                     11:    the License, or (at your option) any later version.
                     12: 
                     13:    This library is distributed in the hope that it will be useful, but
                     14:    WITHOUT ANY WARRANTY; without even the implied warranty of
                     15:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
                     16:    Library General Public License for more details.
                     17: 
                     18:    You should have received a copy of the GNU Library General Public
                     19:    License along with this library; if not, write to the Free Software
                     20:    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
                     21: 
                     22:    The author of the program may be contacted at [email protected] or
                     23:    c/o Infinity Development Systems, P.O. Box 520, Waltham, MA 02254.
                     24:    */
                     25: 
                     26: #include "uucnfi.h"
                     27: 
                     28: #if USE_RCS_ID
                     29: const char _uuconf_vsnams_rcsid[] = "$Id: vsnams.c,v 1.1 93/07/30 08:08:23 bin Exp Locker: bin $";
                     30: #endif
                     31: 
                     32: #include <errno.h>
                     33: 
                     34: /* Get all the system names from the V2 L.sys file.  This code does
                     35:    not support aliases, although some V2 versions do have an L-aliases
                     36:    file.  */
                     37: 
                     38: /*ARGSUSED*/
                     39: int
                     40: uuconf_v2_system_names (pglobal, ppzsystems, falias)
                     41:      pointer pglobal;
                     42:      char ***ppzsystems;
                     43:      int falias;
                     44: {
                     45:   struct sglobal *qglobal = (struct sglobal *) pglobal;
                     46:   FILE *e;
                     47:   int iret;
                     48:   char *zline;
                     49:   size_t cline;
                     50: 
                     51:   *ppzsystems = NULL;
                     52: 
                     53:   e = fopen (qglobal->qprocess->zv2systems, "r");
                     54:   if (e == NULL)
                     55:     {
                     56:       if (FNO_SUCH_FILE ())
                     57:        return _uuconf_iadd_string (qglobal, (char *) NULL, FALSE, FALSE,
                     58:                                    ppzsystems, (pointer) NULL);
                     59:       qglobal->ierrno = errno;
                     60:       qglobal->zfilename = qglobal->qprocess->zv2systems;
                     61:       return (UUCONF_FOPEN_FAILED
                     62:              | UUCONF_ERROR_ERRNO
                     63:              | UUCONF_ERROR_FILENAME);
                     64:     }
                     65: 
                     66:   qglobal->ilineno = 0;
                     67:   iret = UUCONF_SUCCESS;
                     68: 
                     69:   zline = NULL;
                     70:   cline = 0;
                     71:   while (getline (&zline, &cline, e) > 0)
                     72:     {
                     73:       char *zname;
                     74: 
                     75:       ++qglobal->ilineno;
                     76: 
                     77:       /* Skip leading whitespace to get to the system name.  Then cut
                     78:         the system name off at the first whitespace, comment, or
                     79:         newline.  */
                     80:       zname = zline + strspn (zline, " \t");
                     81:       zname[strcspn (zname, " \t#\n")] = '\0';
                     82:       if (*zname == '\0')
                     83:        continue;
                     84: 
                     85:       iret = _uuconf_iadd_string (qglobal, zname, TRUE, TRUE, ppzsystems,
                     86:                                  (pointer) NULL);
                     87:       if (iret != UUCONF_SUCCESS)
                     88:        break;
                     89:     }
                     90: 
                     91:   (void) fclose (e);
                     92:   if (zline != NULL)
                     93:     free ((pointer) zline);
                     94: 
                     95:   if (iret != UUCONF_SUCCESS)
                     96:     {
                     97:       qglobal->zfilename = qglobal->qprocess->zv2systems;
                     98:       return iret | UUCONF_ERROR_FILENAME | UUCONF_ERROR_LINENO;
                     99:     }
                    100: 
                    101:   if (*ppzsystems == NULL)
                    102:     iret = _uuconf_iadd_string (qglobal, (char *) NULL, FALSE, FALSE,
                    103:                                ppzsystems, (pointer) NULL);
                    104: 
                    105:   return iret;
                    106: }

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