1 files changed, 105 insertions, 0 deletions
diff --git a/gl/lib/sys_random.in.h b/gl/lib/sys_random.in.h
new file mode 100644
index 0000000..b240033
--- /dev/null
+++ b/gl/lib/sys_random.in.h
@@ -0,0 +1,105 @@
+/* Substitute for <sys/random.h>.
+   Copyright (C) 2020-2023 Free Software Foundation, Inc.
+
+   This file is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of the
+   License, or (at your option) any later version.
+
+   This file is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+# if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+# endif
+@PRAGMA_COLUMNS@
+
+#ifndef _@GUARD_PREFIX@_SYS_RANDOM_H
+
+#if @HAVE_SYS_RANDOM_H@
+
+/* On uClibc < 1.0.35, <sys/random.h> assumes prior inclusion of <stddef.h>.
+   Do not use __UCLIBC__ here, as it might not be defined yet.
+   But avoid namespace pollution on glibc systems.  */
+# ifndef __GLIBC__
+#  include <stddef.h>
+# endif
+/* On Mac OS X 10.5, <sys/random.h> assumes prior inclusion of <sys/types.h>.
+   On Max OS X 10.13, <sys/random.h> assumes prior inclusion of a file that
+   includes <Availability.h>, such as <stdlib.h> or <unistd.h>.  */
+# if defined __APPLE__ && defined __MACH__                  /* Mac OS X */
+#  include <sys/types.h>
+#  include <stdlib.h>
+# endif
+
+/* The include_next requires a split double-inclusion guard.  */
+# @INCLUDE_NEXT@ @NEXT_SYS_RANDOM_H@
+
+#endif
+
+#ifndef _@GUARD_PREFIX@_SYS_RANDOM_H
+#define _@GUARD_PREFIX@_SYS_RANDOM_H
+
+/* This file uses GNULIB_POSIXCHECK, HAVE_RAW_DECL_*.  */
+#if !_GL_CONFIG_H_INCLUDED
+ #error "Please include config.h first."
+#endif
+
+#include <sys/types.h>
+
+/* Define the GRND_* constants.  */
+#ifndef GRND_NONBLOCK
+# define GRND_NONBLOCK 1
+# define GRND_RANDOM 2
+#endif
+
+/* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
+
+/* The definition of _GL_ARG_NONNULL is copied here.  */
+
+/* The definition of _GL_WARN_ON_USE is copied here.  */
+
+
+/* Declare overridden functions.  */
+
+
+#if @GNULIB_GETRANDOM@
+/* Fill a buffer with random bytes.  */
+# if @REPLACE_GETRANDOM@
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+#   undef getrandom
+#   define getrandom rpl_getrandom
+#  endif
+_GL_FUNCDECL_RPL (getrandom, ssize_t,
+                  (void *buffer, size_t length, unsigned int flags)
+                  _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (getrandom, ssize_t,
+                  (void *buffer, size_t length, unsigned int flags));
+# else
+#  if !@HAVE_GETRANDOM@
+_GL_FUNCDECL_SYS (getrandom, ssize_t,
+                  (void *buffer, size_t length, unsigned int flags)
+                  _GL_ARG_NONNULL ((1)));
+#  endif
+_GL_CXXALIAS_SYS (getrandom, ssize_t,
+                  (void *buffer, size_t length, unsigned int flags));
+# endif
+# if __GLIBC__ + (__GLIBC_MINOR__ >= 25) > 2
+_GL_CXXALIASWARN (getrandom);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef getrandom
+# if HAVE_RAW_DECL_GETRANDOM
+_GL_WARN_ON_USE (getrandom, "getrandom is unportable - "
+                 "use gnulib module getrandom for portability");
+# endif
+#endif
+
+
+#endif /* _@GUARD_PREFIX@_SYS_RANDOM_H */
+#endif /* _@GUARD_PREFIX@_SYS_RANDOM_H */