From d2e317a622c672109ed25176044a3920a1167466 Mon Sep 17 00:00:00 2001 From: Rob Landley Date: Fri, 6 Jul 2018 19:40:35 -0500 Subject: Bionic ships newer libc with older kernels, so Android needs to fallback at runtime for ENOSYS. --- lib/portability.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'lib') diff --git a/lib/portability.c b/lib/portability.c index c42a052e..80ca8c9a 100644 --- a/lib/portability.c +++ b/lib/portability.c @@ -32,13 +32,16 @@ pid_t xfork(void) void xgetrandom(void *buf, unsigned buflen, unsigned flags) { + int fd; + #if CFG_TOYBOX_GETRANDOM - if (buflen != getrandom(buf, buflen, flags)) perror_exit("getrandom"); -#else - int fd = xopen(flags ? "/dev/random" : "/dev/urandom", O_RDONLY); + if (buflen != getrandom(buf, buflen, flags)) + if (!CFG_TOYBOX_ANDROID || errno!=ENOSYS) perror_exit("getrandom"); +#endif + + fd = xopen(flags ? "/dev/random" : "/dev/urandom", O_RDONLY); xreadall(fd, buf, buflen); close(fd); -#endif } #if defined(__APPLE__) -- cgit v1.2.3