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71 lines
3.4 KiB
C
71 lines
3.4 KiB
C
/**
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* sysexits.h
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*
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* Error numbers begin at EX__BASE to reduce the possibility of
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* clashing with other exit statuses that random programs may
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* already return. The meaning of the codes is approximately
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* as follows:
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*
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* EX_USAGE -- The command was used incorrectly, e.g., with
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* the wrong number of arguments, a bad flag, a bad
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* syntax in a parameter, or whatever.
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* EX_DATAERR -- The input data was incorrect in some way.
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* This should only be used for user's data & not
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* system files.
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* EX_NOINPUT -- An input file (not a system file) did not
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* exist or was not readable. This could also include
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* errors like "No message" to a mailer (if it cared
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* to catch it).
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* EX_NOUSER -- The user specified did not exist. This might
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* be used for mail addresses or remote logins.
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* EX_NOHOST -- The host specified did not exist. This is used
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* in mail addresses or network requests.
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* EX_UNAVAILABLE -- A service is unavailable. This can occur
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* if a support program or file does not exist. This
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* can also be used as a catchall message when something
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* you wanted to do doesn't work, but you don't know
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* why.
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* EX_SOFTWARE -- An internal software error has been detected.
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* This should be limited to non-operating system related
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* errors as possible.
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* EX_OSERR -- An operating system error has been detected.
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* This is intended to be used for such things as "cannot
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* fork", "cannot create pipe", or the like. It includes
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* things like getuid returning a user that does not
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* exist in the passwd file.
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* EX_OSFILE -- Some system file (e.g., /etc/passwd, /etc/utmp,
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* etc.) does not exist, cannot be opened, or has some
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* sort of error (e.g., syntax error).
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* EX_CANTCREAT -- A (user specified) output file cannot be
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* created.
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* EX_IOERR -- An error occurred while doing I/O on some file.
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* EX_TEMPFAIL -- temporary failure, indicating something that
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* is not really an error. In sendmail, this means
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* that a mailer (e.g.) could not create a connection,
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* and the request should be reattempted later.
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* EX_PROTOCOL -- the remote system returned something that
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* was "not possible" during a protocol exchange.
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* EX_NOPERM -- You did not have sufficient permission to
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* perform the operation. This is not intended for
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* file system problems, which should use NOINPUT or
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* CANTCREAT, but rather for higher level permissions.
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*/
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#define EX_OK 0 // successful termination
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#define EX__BASE 64 // base value for error messages
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#define EX_USAGE 64 // command line usage error
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#define EX_DATAERR 65 // data format error
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#define EX_NOINPUT 66 // cannot open input
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#define EX_NOUSER 67 // addressee unknown
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#define EX_NOHOST 68 // host name unknown
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#define EX_UNAVAILABLE 69 // service unavailable
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#define EX_SOFTWARE 70 // internal software error
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#define EX_OSERR 71 // system error (e.g., can't fork)
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#define EX_OSFILE 72 // critical OS file missing
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#define EX_CANTCREAT 73 // can't create (user) output file
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#define EX_IOERR 74 // input/output error
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#define EX_TEMPFAIL 75 // temp failure; user is invited to retry
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#define EX_PROTOCOL 76 // remote error in protocol
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#define EX_NOPERM 77 // permission denied
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#define EX_CONFIG 78 // configuration error
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#define EX__MAX 78 // maximum listed value
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