ggentropy

commit e9f417c6067dfa9f1d7ea59ec6c8a8081fd241df
parent 1a7397812634c1b01c46f1d7bc2ff34f26f34d20
Author: Michael Savage <mikejsavage@gmail.com>
Date:   Thu,  9 Jul 2020 12:37:36 +0300

FreeBSD/NetBSD/Solaris support

Diffstat:
M
README.md
 | 
3
++-
M
ggentropy.cpp
 | 
17
++++++++++++-----

2 files changed, 14 insertions(+), 6 deletions(-)
diff --git a/README.md b/README.md
@@ -4,7 +4,8 @@ ggentropy is a liberally licensed, cross platform, entropy library for
 C++. You can use it to generate cryptographically secure random numbers,
 safe for use as nonces and keys in cryptographic operations.
 
-ggentropy supports Windows, MacOS, Linux and OpenBSD.
+ggentropy supports Windows, MacOS, Linux, FreeBSD, OpenBSD, NetBSD and
+Solaris.
 
 
 ## Usage
diff --git a/ggentropy.cpp b/ggentropy.cpp
@@ -20,17 +20,24 @@
 #  define PLATFORM_WINDOWS 1
 #elif defined( __linux__ )
 #  define PLATFORM_LINUX 1
+#  define PLATFORM_HAS_URANDOM 1
 #elif defined( __APPLE__ )
-#  define PLATFORM_MACOS 1
+#  define PLATFORM_HAS_URANDOM 1
+#elif defined( __FreeBSD__ )
+#  define PLATFORM_HAS_ARC4RANDOM 1
 #elif defined( __OpenBSD__ )
-#  define PLATFORM_OPENBSD 1
+#  define PLATFORM_HAS_ARC4RANDOM 1
+#elif defined( __NetBSD__ )
+#  define PLATFORM_HAS_ARC4RANDOM 1
+#elif defined( __sun )
+#  define PLATFORM_HAS_URANDOM 1
 #else
 #  error new platform
 #endif
 
 #include <assert.h>
 
-#if PLATFORM_LINUX || PLATFORM_MACOS
+#if PLATFORM_HAS_URANDOM
 
 #include <stdio.h>
 
@@ -90,14 +97,14 @@ bool ggentropy( void * buf, size_t n ) {
 	return try_urandom( buf, n );
 }
 
-#elif PLATFORM_MACOS
+#elif PLATFORM_HAS_URANDOM
 
 bool ggentropy( void * buf, size_t n ) {
 	assert( n <= 256 );
 	return try_urandom( buf, n );
 }
 
-#elif PLATFORM_OPENBSD
+#elif PLATFORM_HAS_ARC4RANDOM
 
 #include <stdlib.h>