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sysexits.h

/*
 * Copyright (c) 2001 Sendmail, Inc. and its suppliers.
 *    All rights reserved.
 * Copyright (c) 1987, 1993
 *    The Regents of the University of California.  All rights reserved.
 *
 * By using this file, you agree to the terms and conditions set
 * forth in the LICENSE file which can be found at the top level of
 * the sendmail distribution.
 *
 *    $Id: sysexits.h,v 1.5 2001/03/10 17:30:01 ca Exp $
 *    @(#)sysexits.h    8.1 (Berkeley) 6/2/93
 */

#ifndef SM_SYSEXITS_H
# define SM_SYSEXITS_H

# include <sm/gen.h>

/*
**  SYSEXITS.H -- Exit status codes for system programs.
**
**    This include file attempts to categorize possible error
**    exit statuses for system programs, notably delivermail
**    and the Berkeley network.
**
**    Error numbers begin at EX__BASE to reduce the possibility of
**    clashing with other exit statuses that random programs may
**    already return.  The meaning of the codes is approximately
**    as follows:
**
**    EX_USAGE -- The command was used incorrectly, e.g., with
**          the wrong number of arguments, a bad flag, a bad
**          syntax in a parameter, or whatever.
**    EX_DATAERR -- The input data was incorrect in some way.
**          This should only be used for user's data & not
**          system files.
**    EX_NOINPUT -- An input file (not a system file) did not
**          exist or was not readable.  This could also include
**          errors like "No message" to a mailer (if it cared
**          to catch it).
**    EX_NOUSER -- The user specified did not exist.  This might
**          be used for mail addresses or remote logins.
**    EX_NOHOST -- The host specified did not exist.  This is used
**          in mail addresses or network requests.
**    EX_UNAVAILABLE -- A service is unavailable.  This can occur
**          if a support program or file does not exist.  This
**          can also be used as a catchall message when something
**          you wanted to do doesn't work, but you don't know
**          why.
**    EX_SOFTWARE -- An internal software error has been detected.
**          This should be limited to non-operating system related
**          errors as possible.
**    EX_OSERR -- An operating system error has been detected.
**          This is intended to be used for such things as "cannot
**          fork", "cannot create pipe", or the like.  It includes
**          things like getuid returning a user that does not
**          exist in the passwd file.
**    EX_OSFILE -- Some system file (e.g., /etc/passwd, /etc/utmp,
**          etc.) does not exist, cannot be opened, or has some
**          sort of error (e.g., syntax error).
**    EX_CANTCREAT -- A (user specified) output file cannot be
**          created.
**    EX_IOERR -- An error occurred while doing I/O on some file.
**    EX_TEMPFAIL -- temporary failure, indicating something that
**          is not really an error.  In sendmail, this means
**          that a mailer (e.g.) could not create a connection,
**          and the request should be reattempted later.
**    EX_PROTOCOL -- the remote system returned something that
**          was "not possible" during a protocol exchange.
**    EX_NOPERM -- You did not have sufficient permission to
**          perform the operation.  This is not intended for
**          file system problems, which should use NOINPUT or
**          CANTCREAT, but rather for higher level permissions.
*/

# if SM_CONF_SYSEXITS_H
#  include <sysexits.h>
# else /* SM_CONF_SYSEXITS_H */

#  define EX_OK         0     /* successful termination */

#  define EX__BASE      64    /* base value for error messages */

#  define EX_USAGE      64    /* command line usage error */
#  define EX_DATAERR    65    /* data format error */
#  define EX_NOINPUT    66    /* cannot open input */
#  define EX_NOUSER     67    /* addressee unknown */
#  define EX_NOHOST     68    /* host name unknown */
#  define EX_UNAVAILABLE 69   /* service unavailable */
#  define EX_SOFTWARE   70    /* internal software error */
#  define EX_OSERR      71    /* system error (e.g., can't fork) */
#  define EX_OSFILE     72    /* critical OS file missing */
#  define EX_CANTCREAT  73    /* can't create (user) output file */
#  define EX_IOERR      74    /* input/output error */
#  define EX_TEMPFAIL   75    /* temp failure; user is invited to retry */
#  define EX_PROTOCOL   76    /* remote error in protocol */
#  define EX_NOPERM     77    /* permission denied */
#  define EX_CONFIG     78    /* configuration error */

#  define EX__MAX 78    /* maximum listed value */

# endif /* SM_CONF_SYSEXITS_H */

extern char *sm_strexit __P((int));
extern char *sm_sysexitmsg __P((int));
extern char *sm_sysexmsg __P((int));

#endif /* ! SM_SYSEXITS_H */

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