CS代考计算机代写 #include “tests/filesys/seq-test.h”

#include “tests/filesys/seq-test.h”
#include
#include
#include “tests/lib.h”

void
seq_test (const char *file_name, void *buf, size_t size, size_t initial_size,
size_t (*block_size_func) (void),
void (*check_func) (int fd, long ofs))
{
size_t ofs;
int fd;

random_bytes (buf, size);
CHECK (create (file_name, initial_size), “create ”%s””, file_name);
CHECK ((fd = open (file_name)) > 1, “open ”%s””, file_name);

ofs = 0;
msg (“writing ”%s””, file_name);
while (ofs < size) { size_t block_size = block_size_func (); if (block_size > size – ofs)
block_size = size – ofs;

if (write (fd, buf + ofs, block_size) != (int) block_size)
fail (“write %zu bytes at offset %zu in ”%s” failed”,
block_size, ofs, file_name);

ofs += block_size;
if (check_func != NULL)
check_func (fd, ofs);
}
msg (“close ”%s””, file_name);
close (fd);
check_file (file_name, buf, size);
}