109 lines
2.4 KiB
C
109 lines
2.4 KiB
C
|
/*
|
||
|
|
* lar - Lua Archive Library
|
||
|
|
*
|
||
|
|
* 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 __LAR_H
|
||
|
|
#define __LAR_H
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <fcntl.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <errno.h>
|
||
|
|
#include <arpa/inet.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <sys/mman.h>
|
||
|
|
#include <sys/stat.h>
|
||
|
|
|
||
|
|
#include "md5.h"
|
||
|
|
|
||
|
|
#define LAR_DIE(s) \
|
||
|
|
do { \
|
||
|
|
fprintf(stderr, "%s(%i): %s(): %s\n", \
|
||
|
|
__FILE__, __LINE__, __FUNCTION__, s); \
|
||
|
|
if( errno ) fprintf(stderr, "%s(%i): %s\n", \
|
||
|
|
__FILE__, __LINE__, strerror(errno) ); \
|
||
|
|
exit(1); \
|
||
|
|
} while(0)
|
||
|
|
|
||
|
|
|
||
|
|
#define LAR_FNAME_BUFFER 1024
|
||
|
|
#define LAR_FNAME(s) char s[LAR_FNAME_BUFFER]
|
||
|
|
|
||
|
|
#define LAR_TYPE_REGULAR 0x0000
|
||
|
|
#define LAR_TYPE_FILELIST 0xFFFF
|
||
|
|
|
||
|
|
#ifdef __WIN32__
|
||
|
|
#define LAR_DIRSEP '\\'
|
||
|
|
#else
|
||
|
|
#define LAR_DIRSEP '/'
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
struct lar_index_item {
|
||
|
|
uint32_t offset;
|
||
|
|
uint32_t length;
|
||
|
|
uint16_t type;
|
||
|
|
uint16_t flags;
|
||
|
|
char id[16];
|
||
|
|
char *filename;
|
||
|
|
struct lar_index_item *next;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct lar_member_item {
|
||
|
|
uint16_t type;
|
||
|
|
uint16_t flags;
|
||
|
|
uint32_t length;
|
||
|
|
char *data;
|
||
|
|
char *mmap;
|
||
|
|
size_t mlen;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct lar_archive_handle {
|
||
|
|
int fd;
|
||
|
|
int has_filenames;
|
||
|
|
off_t length;
|
||
|
|
char filename[LAR_FNAME_BUFFER];
|
||
|
|
struct lar_index_item *index;
|
||
|
|
};
|
||
|
|
|
||
|
|
typedef struct lar_index_item lar_index;
|
||
|
|
typedef struct lar_member_item lar_member;
|
||
|
|
typedef struct lar_archive_handle lar_archive;
|
||
|
|
|
||
|
|
|
||
|
|
lar_index * lar_get_index( lar_archive *ar );
|
||
|
|
|
||
|
|
lar_member * lar_mmap_member( lar_archive *ar, lar_index *idx_ptr );
|
||
|
|
|
||
|
|
lar_member * lar_open_member( lar_archive *ar, const char *name );
|
||
|
|
|
||
|
|
int lar_close_member( lar_member *member );
|
||
|
|
|
||
|
|
lar_archive * lar_open( const char *filename );
|
||
|
|
|
||
|
|
int lar_close( lar_archive *ar );
|
||
|
|
|
||
|
|
lar_archive * lar_find_archive( const char *package, const char *path, int pkg);
|
||
|
|
|
||
|
|
lar_member * lar_find_member( lar_archive *ar, const char *package );
|
||
|
|
|
||
|
|
#endif
|