Fix DARWIN (AF_SYSTEM) capability check

kohlschuetter · kohlschuetter · commit 323510ef7ecd · 2023-09-09T16:45:58.000+02:00
This may not have been enabled properly in all environments.
diff --git a/junixsocket-native/src/main/c/config.h b/junixsocket-native/src/main/c/config.h
@@ -226,16 +226,17 @@ extern "C" {
 
 // Linux
 #ifdef __linux__
-#undef junixsocket_have_sun_len
+#  undef junixsocket_have_sun_len
 
-#if !defined(JUNIXSOCKET_HARDEN_CMSG_NXTHDR)
+#  if !defined(JUNIXSOCKET_HARDEN_CMSG_NXTHDR)
 // workaround for systems using musl libc
-#  define JUNIXSOCKET_HARDEN_CMSG_NXTHDR 1
-#endif
+#    define JUNIXSOCKET_HARDEN_CMSG_NXTHDR 1
+#  endif
 
-#include <linux/tipc.h>
-#include <arpa/inet.h>
-#define junixsocket_have_tipc 1
+#  include <linux/tipc.h>
+#  include <arpa/inet.h>
+#  define junixsocket_have_tipc 1
+#endif // __linux__
 
 #if __TOS_MVS__
 // z/OS XLC doesn't have __has_include
@@ -245,14 +246,13 @@ extern "C" {
 #include <linux/vm_sockets.h>
 #define junixsocket_have_vsock 1
 #endif
-#endif
 
 #if defined(__MACH__) && __has_include(<sys/kern_control.h>)
 #  include <sys/kern_control.h>
 #  define junixsocket_have_system 1
 #endif
 
-#endif
+#endif // not __TOS_MVS_
 
 // Solaris
 #if defined(__sun) || defined(__sun__)
diff --git a/src/site/markdown/changelog.md b/src/site/markdown/changelog.md
@@ -15,6 +15,7 @@ artifact (`<type>pom</type>`); see [Add junixsocket to your project](dependency.
 ### _(2023-09-09)_ **junixsocket 2.7.1**
 
 - Fix openDatagramChannelPair (was using STREAM instead of DGRAM), add AFSocketType support
+- Fix availability of AF_SYSTEM capability on Darwin
 - Improve SelectionKey logic, reduce locking/GC overhead
 - Improve "unsupported operation" handling in native code
 - Improve handling of "test aborted, but not really an issue"
