diff options
Diffstat (limited to 'lib/mlibc/options/linux/generic/sys-random-stubs.cpp')
-rw-r--r-- | lib/mlibc/options/linux/generic/sys-random-stubs.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/lib/mlibc/options/linux/generic/sys-random-stubs.cpp b/lib/mlibc/options/linux/generic/sys-random-stubs.cpp new file mode 100644 index 0000000..5e5057f --- /dev/null +++ b/lib/mlibc/options/linux/generic/sys-random-stubs.cpp @@ -0,0 +1,21 @@ + +#include <sys/random.h> +#include <bits/ensure.h> + +#include <mlibc/debug.hpp> +#include <mlibc/posix-sysdeps.hpp> + +#include <errno.h> + +ssize_t getrandom(void *buffer, size_t max_size, unsigned int flags) { + if(flags & ~(GRND_RANDOM | GRND_NONBLOCK)) { + errno = EINVAL; + return -1; + } + MLIBC_CHECK_OR_ENOSYS(mlibc::sys_getentropy, -1); + if(int e = mlibc::sys_getentropy(buffer, max_size); e) { + errno = e; + return -1; + } + return max_size; +} |