26 lines
643 B
C
Executable File
26 lines
643 B
C
Executable File
/* Tests that seeking past the end of a file and writing will
|
|
properly zero out the region in between. */
|
|
|
|
#include <syscall.h>
|
|
#include "tests/lib.h"
|
|
#include "tests/main.h"
|
|
|
|
static char buf[76543];
|
|
|
|
void
|
|
test_main (void)
|
|
{
|
|
const char *file_name = "testfile";
|
|
char zero = 0;
|
|
int fd;
|
|
|
|
CHECK (create (file_name, 0), "create \"%s\"", file_name);
|
|
CHECK ((fd = open (file_name)) > 1, "open \"%s\"", file_name);
|
|
msg ("seek \"%s\"", file_name);
|
|
seek (fd, sizeof buf - 1);
|
|
CHECK (write (fd, &zero, 1) > 0, "write \"%s\"", file_name);
|
|
msg ("close \"%s\"", file_name);
|
|
close (fd);
|
|
check_file (file_name, buf, sizeof buf);
|
|
}
|