c_progarm/huffman/hello.c

#include "stdio.h"
#include "string.h"
// #include "coder_lib.h"
// #include "huffman.h"
#include "huffman_.h"
#include <stdlib.h>


// 验证管壳码算法
// int main(int num,char *str[]){


//     uint8_t d_[12]={0};
//     char uid[20]={0};


//     coder_shell_to_uid("2023","5830628A00004",uid);
//     printf("uid=%s\r\n",uid);
//     coder_uid_to_save(uid,d_);

//     printf("slave:, uid_pw=%02X %02X %02X %02X %02X %02X %02X %02X "
//       "%02X %02X %02X %02X ",d_[0],d_[1],d_[2],d_[3],d_[4],d_[5],d_[6],d_[7],
//       d_[8],d_[9],d_[10],d_[11]);


//     return 0;
// }



// 验证huffman算法

// int main(int argc, char *argv[])
// {
//   uint8_t str_in[]="2023 5830628A000005830628A000015830628A000025830628A000035830628A000045830628A000055830628A000065830628A000075830628A000085830628A00009";
//   array_def *a=arr_creat();
//   arr_appends(a,str_in,strlen(str_in));
//   array_def *out=hm_encode(a);
//   printf("endode:%s\n",arr_string(out));
//   array_def *de=hm_decode(out);
//   printf("decde:%s\n",arr_data(de));
//   return 0;
// }




long calc_file_size(FILE *stream)
{
	long file_size = -1;
	long cur_offset = ftell(stream);	// 获取当前偏移位置
	if (cur_offset == -1) {
		printf("ftell failed :%s\n", strerror(errno));
		return -1;
	}
	if (fseek(stream, 0, SEEK_END) != 0) {	// 移动文件指针到文件末尾
		printf("fseek failed: %s\n", strerror(errno));
		return -1;
	}
	file_size = ftell(stream);	// 获取此时偏移值，即文件大小
	if (file_size == -1) {
		printf("ftell failed :%s\n", strerror(errno));
	}
	if (fseek(stream, cur_offset, SEEK_SET) != 0) {	// 将文件指针恢复初始位置
		printf("fseek failed: %s\n", strerror(errno));
		return -1;
	}
	return file_size;
}



int encode_file(const char *filename)
{
  FILE *f=fopen(filename, "rb");
  int file_size=calc_file_size(f);
  uint8_t *file_data=calloc(file_size+1,sizeof(uint8_t));
  uint8_t *encode_data=0;
  int encode_size;
  fread(file_data,1,file_size,f);
  hm_encode(file_data,file_size,&encode_data,&encode_size);
  free(file_data);
  free(encode_data);
  fclose(f);
}





int main(int argc, char *argv[])
{
  encode_file(argv[1]);
  // const uint8_t file_data[]="2023 5830628A000005830628A000015830628A000025830628A000035830628A000045830628A000055830628A000065830628A000075830628A000085830628A00009";
  // uint8_t *encode_data=0;
  // int encode_size;
  // hm_encode(file_data,sizeof(file_data),&encode_data,&encode_size);
  return 0;
}