apps: Fix bug by calling getrandom
#include <unistd.h>
#include <string.h>
+#include <sys/random.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
@@ -128,12 +129,12 @@ static const uint8_t g_partition_type_swap[16] =
static void get_uuid(FAR uint8_t *uuid)
{
- int fd;
- fd = open("/dev/urandom", O_RDONLY);
- if (fd > 0)
+ /* call getrandom to read /dev/urandom */
+
+ if (getrandom(uuid, 16, 0) < 0)
{
- read(fd, uuid, 16);
- close(fd);
+ fprintf(stderr, "error read primary partition table\n");
+ return;
}
}
