[C] Lettura/Scrittura File Binari

[kry87]

Sì scusami.

Codice :

typedef struct record
{
    char code[DAY+1];
    int occ;
}Record;

void saveRecord(char *nomeFile,Record *vrecord)
{
    long long int key;
    int i;
    FILE *fp;
    fp = fopen(nomeFile,"wb");
    if(fp==NULL)
        return;
    for(i = 0; i < Nrecord ; i++)
    {
        key = hash(vrecord[i].code);
        fseek(fp,key,SEEK_SET);
        fwrite(&vrecord[i],sizeof(Record),1,fp);
    }
    fclose(fp);
    return;

}
long long int hash(char *vett)
{
    long long int i,c;
    long long int mod;
    long long int key=0;
    for(i=DAY-1;i>=0;i--)
    {
        c =(int)vett[i]-48;
        key += pow(3,DAY-1-i)*c;
    }
    mod = key%36;
    if(mod>0)
        {
            mod = 36-mod;
            key+=mod;
        }
    return key;

}