52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
#pragma once
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#include <stdint.h>
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#define TAR_MAGIC "ustar"
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#define TAR_BLOCKSIZE 512
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namespace InitRD
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{
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struct TarHeader
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{ /* byte offset */
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char name[100]; /* 0 */
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char mode[8]; /* 100 */
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char uid[8]; /* 108 */
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char gid[8]; /* 116 */
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char size[12]; /* 124 */
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char mtime[12]; /* 136 */
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char chksum[8]; /* 148 */
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char typeflag; /* 156 */
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char linkname[100]; /* 157 */
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char magic[6]; /* 257 */
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char version[2]; /* 263 */
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char uname[32]; /* 265 */
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char gname[32]; /* 297 */
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char devmajor[8]; /* 329 */
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char devminor[8]; /* 337 */
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char prefix[155]; /* 345 */
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/* 500 */
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} __attribute__((packed));
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struct File
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{
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char name[100];
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int size;
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int size_in_blocks;
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void* addr;
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};
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int get_total_blocks();
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File get_file(TarHeader* header);
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void free_file(File& file);
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TarHeader* get_block(int block_index);
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bool is_valid_header(TarHeader* header);
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uint64_t get_file_physical_address(File& file);
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File open(const char* filename);
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void for_each(void (*callback)(File& file));
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bool is_initialized();
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void init();
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} |