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- /* status.c
- Routines to get and set the status for a system.
-
- Copyright (C) 1991, 1992, 1993, 1995 Ian Lance Taylor
-
- This file is part of the Taylor UUCP package.
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- This program 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
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; 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 "uucp.h"
-
- #include "uudefs.h"
- #include "uuconf.h"
- #include "sysdep.h"
- #include "system.h"
-
- #include <errno.h>
- #include <ctype.h>
-
- #if SPOOLDIR_HDB || SPOOLDIR_SVR4
-
- /* If we are using HDB spool layout, store status using HDB status
- values. SVR4 is a variant of HDB. */
-
- #define MAP_STATUS 1
-
- static const int aiMapstatus[] =
- {
- 0, 13, 7, 6, 20, 4, 3, 2
- };
- #define CMAPENTRIES (sizeof (aiMapstatus) / sizeof (aiMapstatus[0]))
-
- #else /* ! SPOOLDIR_HDB && ! SPOOLDIR_SVR4 */
-
- #define MAP_STATUS 0
-
- #endif /* ! SPOOLDIR_HDB && ! SPOOLDIR_SVR4 */
-
- /* Get the status of a system. This assumes that we are in the spool
- directory. */
-
- boolean
- fsysdep_get_status (qsys, qret, pfnone)
- const struct uuconf_system *qsys;
- struct sstatus *qret;
- boolean *pfnone;
- {
- char *zname;
- FILE *e;
- char *zline;
- char *zend, *znext;
- boolean fbad;
- int istat;
-
- if (pfnone != NULL)
- *pfnone = FALSE;
-
- zname = zsysdep_in_dir (".Status", qsys->uuconf_zname);
- e = fopen (zname, "r");
- if (e == NULL)
- {
- if (errno != ENOENT)
- {
- ulog (LOG_ERROR, "fopen (%s): %s", zname, strerror (errno));
- ubuffree (zname);
- return FALSE;
- }
- zline = NULL;
- }
- else
- {
- size_t cline;
-
- zline = NULL;
- cline = 0;
- if (getline (&zline, &cline, e) <= 0)
- {
- xfree ((pointer) zline);
- zline = NULL;
- }
- (void) fclose (e);
- }
-
- if (zline == NULL)
- {
- /* There is either no status file for this system, or it's been
- truncated, so fake a good status. */
- qret->ttype = STATUS_COMPLETE;
- qret->cretries = 0;
- qret->ilast = 0;
- qret->cwait = 0;
- qret->zstring = NULL;
- if (pfnone != NULL)
- *pfnone = TRUE;
- ubuffree (zname);
- return TRUE;
- }
-
- /* It turns out that scanf is not used much in this program, so for
- the benefit of small computers we avoid linking it in. This is
- basically
-
- sscanf (zline, "%d %d %ld %d", &qret->ttype, &qret->cretries,
- &qret->ilast, &qret->cwait);
-
- except that it's done with strtol. */
-
- fbad = FALSE;
- istat = (int) strtol (zline, &zend, 10);
- if (zend == zline)
- fbad = TRUE;
-
- #if MAP_STATUS
- /* On some systems it may be appropriate to map system dependent status
- values on to our status values. */
- {
- int i;
-
- for (i = 0; i < CMAPENTRIES; ++i)
- {
- if (aiMapstatus[i] == istat)
- {
- istat = i;
- break;
- }
- }
- }
- #endif /* MAP_STATUS */
-
- if (istat < 0 || istat >= (int) STATUS_VALUES)
- istat = (int) STATUS_COMPLETE;
- qret->ttype = (enum tstatus_type) istat;
- znext = zend;
- qret->cretries = (int) strtol (znext, &zend, 10);
- if (zend == znext)
- fbad = TRUE;
- znext = zend;
- qret->ilast = strtol (znext, &zend, 10);
- if (zend == znext)
- fbad = TRUE;
- znext = zend;
- qret->cwait = (int) strtol (znext, &zend, 10);
- if (zend == znext)
- fbad = TRUE;
-
- if (! fbad)
- {
- znext = zend;
- while (isspace (BUCHAR (*znext)))
- ++znext;
- if (*znext == '\0')
- qret->zstring = NULL;
- else
- {
- if (*znext == '"')
- ++znext;
- qret->zstring = zbufcpy (znext);
- zend = qret->zstring + strlen (qret->zstring);
- while (zend != qret->zstring && *zend != ' ')
- --zend;
- if (*zend == '"' && zend != qret->zstring)
- --zend;
- if (zend != qret->zstring)
- *zend = '\0';
- else
- {
- ubuffree (qret->zstring);
- qret->zstring = NULL;
- }
- }
- }
-
- xfree ((pointer) zline);
-
- if (fbad)
- {
- ulog (LOG_ERROR, "%s: Bad status file format", zname);
- ubuffree (zname);
- return FALSE;
- }
-
- ubuffree (zname);
-
- return TRUE;
- }
-
- /* Set the status of a remote system. This assumes the system is
- locked when this is called, and that the program is in the spool
- directory. */
-
- boolean
- fsysdep_set_status (qsys, qset)
- const struct uuconf_system *qsys;
- const struct sstatus *qset;
- {
- char *zname;
- FILE *e;
- int istat;
-
- zname = zsysdep_in_dir (".Status", qsys->uuconf_zname);
-
- e = esysdep_fopen (zname, TRUE, FALSE, TRUE);
- ubuffree (zname);
- if (e == NULL)
- return FALSE;
- istat = (int) qset->ttype;
-
- #if MAP_STATUS
- /* On some systems it may be appropriate to map istat onto a system
- dependent number. */
- if (istat >= 0 && istat < CMAPENTRIES)
- istat = aiMapstatus[istat];
- #endif /* MAP_STATUS */
-
- fprintf (e, "%d %d %ld %d ", istat, qset->cretries, qset->ilast,
- qset->cwait);
-
- #if SPOOLDIR_SVR4
- fprintf (e, "\"%s\"", azStatus[(int) qset->ttype]);
- #else
- fprintf (e, "%s", azStatus[(int) qset->ttype]);
- #endif
-
- fprintf (e, " %s\n", qsys->uuconf_zname);
- if (fclose (e) != 0)
- {
- ulog (LOG_ERROR, "fclose: %s", strerror (errno));
- return FALSE;
- }
-
- return TRUE;
- }
-