/* * Backend definitions for CUPS. * * Copyright 2007-2011 by Apple Inc. * Copyright 1997-2005 by Easy Software Products. * * These coded instructions, statements, and computer programs are the * property of Apple Inc. and are protected by Federal copyright * law. Distribution and use rights are outlined in the file "LICENSE.txt" * which should have been included with this file. If this file is * missing or damaged, see the license at "http://www.cups.org/". * * This file is subject to the Apple OS-Developed Software exception. */ #ifndef _CUPS_BACKEND_H_ # define _CUPS_BACKEND_H_ /* * Include necessary headers... */ # include "versioning.h" /* * C++ magic... */ # ifdef __cplusplus extern "C" { # endif /* __cplusplus */ /* * Constants... */ enum cups_backend_e /**** Backend exit codes ****/ { CUPS_BACKEND_OK = 0, /* Job completed successfully */ CUPS_BACKEND_FAILED = 1, /* Job failed, use error-policy */ CUPS_BACKEND_AUTH_REQUIRED = 2, /* Job failed, authentication required */ CUPS_BACKEND_HOLD = 3, /* Job failed, hold job */ CUPS_BACKEND_STOP = 4, /* Job failed, stop queue */ CUPS_BACKEND_CANCEL = 5, /* Job failed, cancel job */ CUPS_BACKEND_RETRY = 6, /* Job failed, retry this job later */ CUPS_BACKEND_RETRY_CURRENT = 7 /* Job failed, retry this job immediately */ }; typedef enum cups_backend_e cups_backend_t; /**** Backend exit codes ****/ /* * Prototypes... */ extern const char *cupsBackendDeviceURI(char **argv) _CUPS_API_1_2; extern void cupsBackendReport(const char *device_scheme, const char *device_uri, const char *device_make_and_model, const char *device_info, const char *device_id, const char *device_location) _CUPS_API_1_4; # ifdef __cplusplus } # endif /* __cplusplus */ #endif /* !_CUPS_BACKEND_H_ */