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70 lines
1.8 KiB
70 lines
1.8 KiB
/* code-from-errno.c - Mapping errnos to error codes.
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Copyright (C) 2003 g10 Code GmbH
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This file is part of libgpg-error.
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libgpg-error is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public License
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as published by the Free Software Foundation; either version 2.1 of
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the License, or (at your option) any later version.
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libgpg-error is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with libgpg-error; if not, write to the Free
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA. */
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#if HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <errno.h>
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#include <gpg-error.h>
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#include "code-from-errno.h"
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/* Retrieve the error code for the system error ERR. This returns
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GPG_ERR_UNKNOWN_ERRNO if the system error is not mapped (report
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this). */
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gpg_err_code_t
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gpg_err_code_from_errno (int err)
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{
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int idx;
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if (!err)
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return GPG_ERR_NO_ERROR;
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idx = errno_to_idx (err);
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if (idx < 0)
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return GPG_ERR_UNKNOWN_ERRNO;
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return GPG_ERR_SYSTEM_ERROR | err_code_from_index[idx];
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}
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/* Retrieve the error code directly from the ERRNO variable. This
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returns GPG_ERR_UNKNOWN_ERRNO if the system error is not mapped
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(report this) and GPG_ERR_MISSING_ERRNO if ERRNO has the value 0. */
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gpg_err_code_t
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gpg_err_code_from_syserror (void)
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{
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int err = errno;
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int idx;
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if (!err)
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return GPG_ERR_MISSING_ERRNO;
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idx = errno_to_idx (err);
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if (idx < 0)
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return GPG_ERR_UNKNOWN_ERRNO;
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return GPG_ERR_SYSTEM_ERROR | err_code_from_index[idx];
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}
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