void delete_file(MyFile *MyFp, char flname[],int node)
{
rewind(MyFp);
int k = 0,r=0;
printf("k node %d %d\n", k, node);
struct table *t = (struct table*)malloc(sizeof(struct table));
while (k<10)
{
fseek(MyFp, (k*sizeof(struct table)) + 2048, SEEK_SET);
fread(t, sizeof(struct table), 1, MyFp);
if (string_comp(t->file_name, flname) == 1)
{
fseek(MyFp, (k*sizeof(struct table)) + 2048, SEEK_SET);
printf("entered");
for (r = 0; r < sizeof(struct table); r++)
fputc(48,MyFp);
fseek(MyFp, ((k + 1) * 4096) + 2048, SEEK_SET);
for (k = 0; k < 4096; k++)
fputc(48, MyFp);
fseek(MyFp, t->index, SEEK_SET);
fputc(48, MyFp);
rewind(MyFp);
break;
}
k++;
}
}
int main()
{
char* s1 = "Liheyuanxx";
char* s2 = "liheyuan";
char buf[1024];
printf("string_comp:%d\n", string_comp(s1, s2));
string_copy(s1, buf);
printf("copy result:%s\n", buf);
string_concat(buf, s2);
printf("concat result:%s\n", buf);
printf("length:%d\n", string_length(buf));
return 0;
}
void MyOpenFile(MyFile *MyFp,char *flname,int node)
{
int k = 0;
struct table *t = (struct table*)malloc(sizeof(struct table));
while (k < node)
{
fseek(MyFp, k*sizeof(struct table), SEEK_SET);
fread(t, sizeof(struct table), 1, MyFp);
if (string_comp(t->file_name, flname) == 1)
{
fseek(MyFp, ((t->index) * 4096)+2048, SEEK_SET);
char b[10];
fread(b, sizeof(b), 1, MyFp);
printf("Memory : %s\n", b);
}
k++;
}
}
void MyRead(MyFile *MyFp,char flname[], int buffersize,int node)
{
rewind(MyFp);
int k = 0;
char buffer[10];
struct table *t = (struct table*)malloc(sizeof(struct table));
while (k<10)
{
fseek(MyFp, 2048,SEEK_SET);
fread(t, sizeof(struct table), 1, MyFp);
if (string_comp(t->file_name, flname) == 1)
{
fseek(MyFp, ((k + 1) * 4096)+2048, SEEK_SET);
fread(buffer, sizeof(buffer), 1, MyFp);
printf("buffer %s\n", buffer);
break;
}
k++;
}
}
void insert_data(MyFile *MyFp,char flname[],char buffer[],int bufferSize,int node)
{
rewind(MyFp);
int k = 0;
printf("k node %d %d\n", k, node);
struct table *t = (struct table*)malloc(sizeof(struct table));
while (k < node)
{
fseek(MyFp, (k*sizeof(struct table))+2048, SEEK_SET);
fread(t, sizeof(struct table), 1, MyFp);
if (string_comp(t->file_name, flname) == 1)
{
fseek(MyFp, ((k + 1) * 4096)+2048, SEEK_SET);
int i = fwrite(buffer, bufferSize, 1, MyFp);
printf("i==%d\n", i);
char b[10] = "ad";
fseek(MyFp, ((k + 1) * 4096)+2048, SEEK_SET);
fread(b, bufferSize, 1, MyFp);
b[bufferSize] = '\0';
printf("%s", b);
}
k++;
}
}
int
type_comp(void* T1,void* T2){
string s1=((Type*)T1)->name;
string s2=((Type*)T2)->name;
return string_comp(&s1,&s2);
}