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/*
* lmo - Lua Machine Objects - General header
*
* Copyright (C) 2009 Jo-Philipp Wich <xm@subsignal.org>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _LMO_H_
#define _LMO_H_
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <errno.h>
#if (defined(__GNUC__) && defined(__i386__))
#define sfh_get16(d) (*((const uint16_t *) (d)))
#else
#define sfh_get16(d) ((((uint32_t)(((const uint8_t *)(d))[1])) << 8)\
+(uint32_t)(((const uint8_t *)(d))[0]) )
#endif
struct lmo_entry {
uint32_t key_id;
uint32_t val_id;
uint32_t offset;
uint32_t length;
struct lmo_entry *next;
} __attribute__((packed));
typedef struct lmo_entry lmo_entry_t;
struct lmo_archive {
int fd;
uint32_t length;
lmo_entry_t *index;
char *mmap;
};
typedef struct lmo_archive lmo_archive_t;
uint32_t sfh_hash(const char * data, int len);
char _lmo_error[1024];
const char * lmo_error(void);
lmo_archive_t * lmo_open(const char *file);
int lmo_lookup(lmo_archive_t *ar, const char *key, char *dest, int len);
void lmo_close(lmo_archive_t *ar);
#endif
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