strerror-sym.c
No OneTemporary
Actions

Size

1 KB

Subscribers

None

strerror-sym.c
View Options

	/* strerror-sym.c - Describing an error code with its symbol name.
	Copyright (C) 2003, 2004 g10 Code GmbH

	This file is part of libgpg-error.

	libgpg-error is free software; you can redistribute it and/or
	modify it under the terms of the GNU Lesser General Public License
	as published by the Free Software Foundation; either version 2.1 of
	the License, or (at your option) any later version.

	libgpg-error 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
	Lesser General Public License for more details.

	You should have received a copy of the GNU Lesser General Public
	License along with libgpg-error; if not, write to the Free
	Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
	02111-1307, USA. */

	#if HAVE_CONFIG_H
	#include <config.h>
	#endif

	#include <stddef.h>

	#include <gpg-error.h>

	#include "err-codes-sym.h"
	#include "errnos-sym.h"

	/* Return a pointer to a string containing the name of the symbol of
	the error code in the error value ERR. Returns NULL if the error
	code is not known. */
	const char *
	gpg_strerror_sym (gpg_error_t err)
	{
	gpg_err_code_t code = gpg_err_code (err);

	if (code & GPG_ERR_SYSTEM_ERROR)
	{
	int idx;

	code &= ~GPG_ERR_SYSTEM_ERROR;
	idx = errnos_msgidxof (code);
	if (idx >= 0)
	return errnos_msgstr + errnos_msgidx[idx];
	else
	return NULL;
	}

	if (msgidxof (code) == msgidxof (GPG_ERR_CODE_DIM))
	return NULL;

	return msgstr + msgidx[msgidxof (code)];
	}