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/* ChanConsts.h define enum to be used by C components.
Copyright (C) 2001-2025 Free Software Foundation, Inc.
Contributed by Gaius Mulley <gaius@glam.ac.uk>.
This file is part of GNU Modula-2.
GNU Modula-2 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 3, or (at your option)
any later version.
GNU Modula-2 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.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
/* These must match ChanConsts.def. */
typedef enum openResults {
opened, /* the open succeeded as requested */
wrongNameFormat, /* given name is in the wrong format for the implementation */
wrongFlags, /* given flags include a value that does not apply to the device */
tooManyOpen, /* this device cannot support any more open channels */
outOfChans, /* no more channels can be allocated */
wrongPermissions, /* file or directory permissions do not allow request */
noRoomOnDevice, /* storage limits on the device prevent the open */
noSuchFile, /* a needed file does not exist */
fileExists, /* a file of the given name already exists when a new one is required */
wrongFileType, /* the file is of the wrong type to support the required operations */
noTextOperations, /* text operations have been requested, but are not supported */
noRawOperations, /* raw operations have been requested, but are not supported */
noMixedOperations,/* text and raw operations have been requested, but they
are not supported in combination */
alreadyOpen, /* the source/destination is already open for operations not supported
in combination with the requested operations */
otherProblem /* open failed for some other reason */
} openResults;
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