skuska
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@ -143,19 +143,19 @@ int compress_1(const char* input_file_name, const char* output_file_name) {
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unsigned char* data = read_file(input_file_name, &size);
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if (!data) return -1;
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// Build Huffman tree
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HuffmanNode* root = build_huffman_tree(data, size);
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if (!root) {
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free(data);
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return -1;
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}
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// Generate Huffman codes
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char* codes[256] = {0};
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char buffer[256];
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generate_huffman_codes(root, codes, buffer, 0);
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// Open output file
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FILE* output_file = fopen(output_file_name, "wb");
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if (!output_file) {
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perror("Error opening output file");
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@ -164,12 +164,17 @@ int compress_1(const char* input_file_name, const char* output_file_name) {
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return -1;
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}
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// Compress data
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unsigned char bit_buffer[1] = {0};
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int bit_pos = 0;
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for (size_t i = 0; i < size; i++) {
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fputs(codes[data[i]], output_file);
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write_bits(output_file, codes[data[i]], bit_buffer, &bit_pos);
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}
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// Flush remaining bits
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if (bit_pos % 8 != 0) {
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fwrite(bit_buffer, 1, 1, output_file);
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}
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fclose(output_file);
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@ -187,6 +192,7 @@ int compress_1(const char* input_file_name, const char* output_file_name) {
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}
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int decompress_1(const char* input_file_name, const char* output_file_name) {
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size_t size;
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unsigned char* data = read_file(input_file_name, &size);
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