30 lines
1013 B
C
30 lines
1013 B
C
#ifndef COMPRESSOR_H
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#define COMPRESSOR_H
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int compress_1(const char* input_file_name, const char* output_file_name);
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int decompress_1(const char* input_file_name, const char* output_file_name);
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int compress_2(const char* input_file_name, const char* output_file_name);
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int decompress_2(const char* input_file_name, const char* output_file_name);
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unsigned char* read_file(const char* file_name, size_t* size);
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int write_file(const char* file_name, const unsigned char* buffer, size_t size);
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typedef struct HuffmanNode {
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unsigned char symbol;
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size_t frequency;
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struct HuffmanNode* left;
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struct HuffmanNode* right;
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} HuffmanNode;
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HuffmanNode* build_huffman_tree(const unsigned char* data, size_t size);
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void generate_huffman_codes(HuffmanNode* root, char** codes, char* buffer, int depth);
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void free_huffman_tree(HuffmanNode* root);
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void serialize_tree(HuffmanNode* root, FILE* file);
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HuffmanNode* deserialize_tree(FILE* file);
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#endif
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