[SOLVED] CS代考计算机代写 /* Opens a directory, then tries to write to it, which must

/* Opens a directory, then tries to write to it, which must
fail. */

#include
#include “tests/lib.h”
#include “tests/main.h”

void
test_main (void)
{
int fd;
int retval;

CHECK (mkdir (“xyzzy”), “mkdir ”xyzzy””);
CHECK ((fd = open (“xyzzy”)) > 1, “open ”xyzzy””);

msg (“write ”xyzzy””);
retval = write (fd, “foobar”, 6);
CHECK (retval == -1,
“write ”xyzzy” (must return -1, actually %d)”, retval);
}