#include <errno.h>
#include <fcntl.h>
+#include <limits.h>
+#include <unistd.h>
#include "macros.h"
+/* Return a file descriptor that is too big to use.
+ Prefer the smallest such fd, except use OPEN_MAX if it is defined
+ and is greater than getdtablesize (), as that's how OS X works. */
+static int
+big_fd (void)
+{
+ int fd = getdtablesize ();
+#ifdef OPEN_MAX
+ if (fd < OPEN_MAX)
+ fd = OPEN_MAX;
+#endif
+ return fd;
+}
+
int
main (void)
{
== EBADF);
}
{
+ int bad_fd = big_fd ();
errno = 0;
- ASSERT (posix_spawn_file_actions_addopen (&actions, 10000000,
+ ASSERT (posix_spawn_file_actions_addopen (&actions, bad_fd,
"foo", 0, O_RDONLY)
== EBADF);
}