109 lines
2.4 KiB
Plaintext
109 lines
2.4 KiB
Plaintext
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/*
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* lar - Lua Archive Library
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*
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* Copyright (C) 2009 Jo-Philipp Wich <xm@subsignal.org>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __LAR_H
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#define __LAR_H
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdint.h>
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#include <fcntl.h>
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#include <string.h>
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#include <errno.h>
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#include <arpa/inet.h>
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include "md5.h"
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#define LAR_DIE(s) \
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do { \
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fprintf(stderr, "%s(%i): %s(): %s\n", \
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__FILE__, __LINE__, __FUNCTION__, s); \
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if( errno ) fprintf(stderr, "%s(%i): %s\n", \
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__FILE__, __LINE__, strerror(errno) ); \
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exit(1); \
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} while(0)
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#define LAR_FNAME_BUFFER 1024
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#define LAR_FNAME(s) char s[LAR_FNAME_BUFFER]
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#define LAR_TYPE_REGULAR 0x0000
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#define LAR_TYPE_FILELIST 0xFFFF
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#ifdef __WIN32__
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#define LAR_DIRSEP '\\'
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#else
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#define LAR_DIRSEP '/'
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#endif
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struct lar_index_item {
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uint32_t offset;
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uint32_t length;
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uint16_t type;
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uint16_t flags;
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char id[16];
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char *filename;
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struct lar_index_item *next;
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};
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struct lar_member_item {
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uint16_t type;
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uint16_t flags;
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uint32_t length;
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char *data;
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char *mmap;
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size_t mlen;
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};
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struct lar_archive_handle {
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int fd;
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int has_filenames;
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off_t length;
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char filename[LAR_FNAME_BUFFER];
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struct lar_index_item *index;
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};
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typedef struct lar_index_item lar_index;
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typedef struct lar_member_item lar_member;
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typedef struct lar_archive_handle lar_archive;
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lar_index * lar_get_index( lar_archive *ar );
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lar_member * lar_mmap_member( lar_archive *ar, lar_index *idx_ptr );
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lar_member * lar_open_member( lar_archive *ar, const char *name );
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int lar_close_member( lar_member *member );
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lar_archive * lar_open( const char *filename );
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int lar_close( lar_archive *ar );
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lar_archive * lar_find_archive( const char *package, const char *path, int pkg);
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lar_member * lar_find_member( lar_archive *ar, const char *package );
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#endif
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