C++复制文件(二)

#include<iostream>

/*****************************************************************************************

Function:      CopyFile

Description:    复制文件

Input:          pSrc:原文件路径 pDes:复制后的文件路径

Return:        >0:成功 <0:失败

******************************************************************************************/

int copyFile(const char * pSrc, const char *pDes)

{

FILE *in_file, *out_file;

char data[BUF_SIZE];

size_t bytes_in, bytes_out;

long len = 0;

if ((in_file = fopen(pSrc, "rb")) == NULL)

{

perror(pSrc);

return -2;

}

if ((out_file = fopen(pDes, "wb")) == NULL)

{

perror(pDes);

return -3;

}

while ((bytes_in = fread(data, 1, BUF_SIZE, in_file)) > 0)

{

bytes_out = fwrite(data, 1, bytes_in, out_file);

if (bytes_in != bytes_out)

{

perror("Fatal write error.\n");

return -4;

}

len += bytes_out;

printf("copying file .... %d bytes copy\n", len);

}

fclose(in_file);

fclose(out_file);

remove(pSrc);

return 1;

}