unistd.h is used for open/read/close, but if this header does not
exist, there's probably no use in trying to open /dev/*random
at all.
Signed-off-by: Martin Storsjö <martin@martin.st>
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "config.h"
+
+#if HAVE_UNISTD_H
#include <unistd.h>
+#endif
#include <fcntl.h>
#include <math.h>
#include <time.h>
static int read_random(uint32_t *dst, const char *file)
{
+#if HAVE_UNISTD_H
int fd = open(file, O_RDONLY);
int err = -1;
close(fd);
return err;
+#else
+ return -1;
+#endif
}
static uint32_t get_generic_seed(void)