1999-08-09 18:05:44 +00:00
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/* sane - Scanner Access Now Easy.
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Copyright (C) 1996 David Mosberger-Tang and Andreas Beck
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This file is part of the SANE package.
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SANE is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SANE is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with sane; see the file COPYING. If not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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1999-08-09 18:06:01 +00:00
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This file declares SANE internal routines that are provided to
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simplify backend implementation. */
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1999-08-09 18:05:44 +00:00
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#ifndef sanei_h
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#define sanei_h
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#include <sane/sane.h>
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1994-02-15 21:37:33 +00:00
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/* A few convenience macros: */
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#define STRINGIFY1(x) #x
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#define STRINGIFY(x) STRINGIFY1(x)
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#define PASTE1(x,y) x##y
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#define PASTE(x,y) PASTE1(x,y)
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1999-08-09 18:06:01 +00:00
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#define NELEMS(a) ((int)(sizeof (a) / sizeof (a[0])))
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1999-08-09 18:05:44 +00:00
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extern SANE_Status sanei_constrain_value (const SANE_Option_Descriptor * opt,
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void * value, SANE_Word * info);
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1999-08-09 18:06:01 +00:00
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extern int sanei_save_values (int fd, SANE_Handle device);
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extern int sanei_load_values (int fd, SANE_Handle device);
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1999-08-09 18:05:44 +00:00
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#endif /* sanei_h */
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