saveload.c

来自「用Ｃ语言编写实现ＶＣＤ功能」· C语言 代码 · 共 46 行

#ifndef _SAVELOAD_
#define_SAVELOAD_


void saveFile()
{
 FILE *fp;
 int i;


 if((fp=fopen("booking.dat","wb"))==NULL)
 {
    printf("cannot open file\n");
    return;
 }
fwrite(&length,sizeof(int),1,fp);
 for(i=0;i<length;i++)
    {if(fwrite(&item[i],sizeof(Item),1,fp)!=1)
        printf("fill write error\n");
    }

 fclose(fp);
}
void loadFile()
{
 FILE *fp;
 int i;

 if((fp=fopen("booking.dat","rb"))==NULL)
 {
    printf("cannot open infile\n");
    return ;

 }
 fread(&length,sizeof(int),1,fp);

 for(i=0;i<length;i++)
 {
   fread(&item[i],sizeof(Item),1,fp);
 }


 fclose(fp);
}
#endif