sink = open("/dev/null", O_WRONLY);
if (sink < 0)
- return NULL;
+ die_errno("unable to open /dev/null");
check = open(name, O_RDONLY);
- if (check < 0) {
- int saved_errno = errno;
- close(sink);
- errno = saved_errno;
- return NULL;
- }
+ if (check < 0)
+ die_errno("unable to open '%s'", name);
f = sha1fd(sink, name);
f->check_fd = check;
return f;