From: "Ronald S. Bultje" <[email protected]>
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.
---
libavutil/random_seed.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/libavutil/random_seed.c b/libavutil/random_seed.c
index 51ca99b..8ee4cb7 100644
--- a/libavutil/random_seed.c
+++ b/libavutil/random_seed.c
@@ -18,7 +18,11 @@
* 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>
@@ -27,6 +31,7 @@
static int read_random(uint32_t *dst, const char *file)
{
+#if HAVE_UNISTD_H
int fd = open(file, O_RDONLY);
int err = -1;
@@ -36,6 +41,9 @@ static int read_random(uint32_t *dst, const char *file)
close(fd);
return err;
+#else
+ return -1;
+#endif
}
static uint32_t get_generic_seed(void)
--
1.7.9.4
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