Changed plugins `serial' through `users' to be able to build in read-only mode

[collectd.git] / src / users.c

diff --git a/src/users.c b/src/users.c
index 2739c2b..e2b741c 100644 (file)
--- a/src/users.c
+++ b/src/users.c
@@ -20,9 +20,9 @@
  *   Sebastian Harl <sh at tokkee.org>
  **/
 
+#include "collectd.h"
 #include "common.h"
 #include "plugin.h"
-#include "users.h"
 
 #if HAVE_UTMPX_H
 # include <utmpx.h>
@@ -34,6 +34,12 @@
 
 #define MODULE_NAME "users"
 
+#if HAVE_GETUTXENT || HAVE_GETUTENT
+# define USERS_HAVE_READ 1
+#else
+# define USERS_HAVE_READ 0
+#endif
+
 static char *rrd_file = "users.rrd";
 static char *ds_def[] =
 {
@@ -72,6 +78,7 @@ static void users_submit (unsigned int users)
 } /* static void users_submit(unsigned int users) */
 #undef BUFSIZE
 
+#if USERS_HAVE_READ
 static void users_read (void)
 {
 #if HAVE_GETUTXENT
@@ -112,6 +119,9 @@ static void users_read (void)
 
        return;
 } /* static void users_read(void) */
+#else
+# define users_read NULL
+#endif /* USERS_HAVE_READ */
 
 void module_register (void)
 {