static void UpdateHistoryFile(void)

{

FILE *fin,*fout;

int counter = 1;

STest test;

do

{

fin=fopen("test.txt","r");

fout=fopen("t.tmp","w");

while(readHistoryFile(fin, &test) != EOF)

{

if (test.b == 20160516) // to add the judgement case.

{

printf("test.b < 20160516\n");

}

else

{

test.a = counter;

writeHistoryFile(fout, test);

counter++;

}

}

fclose(fin);

fclose(fout);

remove("test.txt");

rename("t.tmp","test.txt");

}while(0);

return;

}