mirror of https://github.com/dzavalishin/oskit/
62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
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/*
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* Copyright (c) 2000 University of Utah and the Flux Group.
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* All rights reserved.
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*
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* This file is part of the Flux OSKit. The OSKit is free software, also known
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* as "open source;" you can redistribute it and/or modify it under the terms
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* of the GNU General Public License (GPL), version 2, as published by the Free
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* Software Foundation (FSF). To explore alternate licensing terms, contact
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* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
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*
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* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
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* received a copy of the GPL along with the OSKit; see the file COPYING. If
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* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
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*/
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#ifndef UNIX_NATIVE_ERRNO_H
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#define UNIX_NATIVE_ERRNO_H
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#include <oskit/error.h>
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#include <errno.h>
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/* A perror implementation that uses NATIVEOS(errno) */
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void oskitunix_perror(const char *msg);
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/**
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* Use EINVAL to determine if a errno mapping table
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* is used or if a dynamic switch statement is used to map
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* native errno numbers into OSKit errno numbers.
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*
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* I'm pretty sure both EINVAL and 1000 were just pulled out of the
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* air.
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*/
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#define OSKITUNIX_USE_ERRNOTABLE (EINVAL < 1000)
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extern int native_errno; /* XXX NATIVEOS(errno) */
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#if OSKITUNIX_USE_ERRNOTABLE
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extern const oskit_error_t oskitunix_native_errors[];
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extern const int oskitunix_native_nerrors;
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#endif
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static inline oskit_error_t
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native_to_oskit_error(const int err)
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{
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#if OSKITUNIX_USE_ERRNOTABLE
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assert(oskitunix_native_nerrors > 0);
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if ((unsigned)err < oskitunix_native_nerrors)
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return oskitunix_native_errors[err];
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#else
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switch (err) {
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#define NATIVE_ERROR(native, oskit) case native: return oskit;
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#include "native_errnos.h"
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#undef NATIVE_ERROR
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}
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#endif
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return OSKIT_E_FAIL;
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}
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#endif /* UNIX_NATIVE_ERRNO_H */
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