90 lines
1.7 KiB
C
90 lines
1.7 KiB
C
#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 <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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int errno;
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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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#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 noffset;
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uint32_t nlength;
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uint32_t foffset;
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uint32_t flength;
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uint16_t type;
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uint16_t flags;
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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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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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int lar_read32( int fd, uint32_t *val );
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int lar_read16( int fd, uint16_t *val );
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lar_index * lar_get_index( lar_archive *ar );
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uint32_t lar_get_filename( lar_archive *ar,
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lar_index *idx_ptr, char *filename );
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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 );
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lar_member * lar_find_member( lar_archive *ar, const char *package );
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#endif
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