diff options
| author | Ronald S. Bultje <rsbultje@gmail.com> | 2012-06-24 21:26:31 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-09-07 18:41:20 +0200 |
| commit | a4d71eb5c3a6265afee1c25fea549dd071c1f4a6 (patch) | |
| tree | 2021abb54c11fe499a79fdf588f035b7dfbfd70a /libavutil/random_seed.c | |
| parent | 9d0bc5c0bda05ac4441691423501bb3ee280e6e6 (diff) | |
random_seed: Only read /dev/*random if we have unistd.h
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>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/random_seed.c')
| -rw-r--r-- | libavutil/random_seed.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libavutil/random_seed.c b/libavutil/random_seed.c index d56280d838..e60ace0090 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> @@ -34,6 +38,7 @@ static int read_random(uint32_t *dst, const char *file) { +#if HAVE_UNISTD_H int fd = open(file, O_RDONLY); int err = -1; @@ -43,6 +48,9 @@ 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) |