Add "extern C {...} to header files for C++ builds.

[freeradius.git] / src / include / sysutmp.h

diff --git a/src/include/sysutmp.h b/src/include/sysutmp.h
index cad5662..27d5cdd 100644 (file)
--- a/src/include/sysutmp.h
+++ b/src/include/sysutmp.h
@@ -7,32 +7,73 @@
 #ifndef SYSUTMP_H_INCLUDED
 #define SYSUTMP_H_INCLUDED
 
+#include <freeradius-devel/ident.h>
+RCSIDH(sysutmp_h, "$Id$")
+
+/*
+ *  If we have BOTH utmp.h and utmpx.h, then
+ *  we prefer to use utmp.h, but only on systems other than Solaris.
+ */
+#if !defined(sun) && !defined(sgi) && !defined(hpux)
 #ifdef HAVE_UTMP_H
+#undef HAVE_UTMPX_H
+#endif
+#endif
+
+#if defined(HAVE_UTMP_H) || defined(HAVE_UTMPX_H)
 
 /* UTMP stuff. Uses utmpx on svr4 */
-#ifdef __svr4__
+#ifdef HAVE_UTMPX_H
 #  include <utmpx.h>
 #  include <sys/fcntl.h>
 #  define utmp utmpx
 #  define UT_NAMESIZE  32
 #  define UT_LINESIZE  32
 #  define UT_HOSTSIZE  257
+#ifdef hpux
+#  define ut_name ut_user
+#endif
 #else
 #  include <utmp.h>
 #endif
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #ifdef __osf__
 #  define UT_NAMESIZE  32
 #  define UT_LINESIZE  32
 #  define UT_HOSTSIZE  64
 #endif
-#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(bsdi) || defined(__OpenBSD__)
+
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(bsdi) || defined(__OpenBSD__) || defined(__APPLE__)
 #  ifndef UTMP_FILE
 #    define UTMP_FILE "/var/run/utmp"
 #  endif
 #  define ut_user ut_name
 #endif
 
+/*
+ *     Generate definitions for systems which are too broken to
+ *     do it themselves.
+ *
+ *     Hmm... this means that we can probably get rid of a lot of
+ *     the static defines above, as the following lines will generate
+ *     the proper defines for any system.
+ */
+#ifndef UT_LINESIZE
+#define UT_LINESIZE sizeof(((struct utmp *) NULL)->ut_line)
+#endif
+
+#ifndef UT_NAMESIZE
+#define UT_NAMESIZE sizeof(((struct utmp *) NULL)->ut_user)
+#endif
+
+#ifndef UT_HOSTSIZE
+#define UT_HOSTSIZE sizeof(((struct utmp *) NULL)->ut_host)
+#endif
+
 #else /* HAVE_UTMP_H */
 
 /*
@@ -61,4 +102,8 @@ struct utmp {
 
 #endif /* HAVE_UTMP_H */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* SYSUTMP_H_INCLUDED */