NetBSD/lib/libc/citrus/citrus_lc_template.h

75 lines
2.3 KiB
C

/* $NetBSD: citrus_lc_template.h,v 1.2 2009/01/11 02:46:24 christos Exp $ */
/*-
* Copyright (c)2008 Citrus Project,
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _CITRUS_LC_TEMPLATE_H_
#define _CITRUS_LC_TEMPLATE_H_
static __inline int
_PREFIX(create_impl)(const char * __restrict root,
const char * __restrict name, _CATEGORY_TYPE ** __restrict pdata)
{
char path[PATH_MAX + 1];
int ret;
struct _region file;
struct _citrus_db *db;
struct _memstream ms;
_CATEGORY_TYPE *data;
snprintf(path, sizeof(path),
"%s/%s/" _CATEGORY_DB, root, name);
ret = _map_file(&file, path);
if (ret) {
ret = ENOENT;
} else {
data = malloc(sizeof(*data));
if (!data) {
ret = ENOMEM;
} else {
ret = _db_open(&db, &file, _CATEGORY_MAGIC,
&_db_hash_std, NULL);
if (!ret) {
ret = _PREFIX(init_normal)(data, db);
_db_close(db);
} else {
_memstream_bind(&ms, &file);
ret = _PREFIX(init_fallback)(data, &ms);
}
if (!ret)
*pdata = data;
else
free(data);
}
_unmap_file(&file);
}
return ret;
}
#include "nb_lc_template.h"
#endif /* _CITRUS_LC_TEMPLATE_H_ */