netapp plugin: Print a notice if all WAFL values have been disabled.

[collectd.git] / src / iptables.c

diff --git a/src/iptables.c b/src/iptables.c
index 6f1030f..aa53074 100644 (file)
--- a/src/iptables.c
+++ b/src/iptables.c
@@ -32,12 +32,35 @@
 #include <sys/socket.h>
 
 #if OWN_LIBIPTC
-# include "libiptc/libiptc.h"
-# include "libiptc/libip6tc.h"
-#else
+# include "owniptc/libiptc.h"
+# include "owniptc/libip6tc.h"
+
+# define HAVE_IPTC_HANDLE_T 1
+# define HAVE_IP6TC_HANDLE_T 1
+
+#else /* if !OWN_LIBIPTC */
 # include <libiptc/libiptc.h>
 # include <libiptc/libip6tc.h>
-#endif
+
+/*
+ * iptc_handle_t was available before libiptc was officially available as a
+ * shared library. Note, that when the shared lib was introduced, the API and
+ * ABI have changed slightly:
+ * 'iptc_handle_t' used to be 'struct iptc_handle *' and most functions used
+ * 'iptc_handle_t *' as an argument. Now, most functions use 'struct
+ * iptc_handle *' (thus removing one level of pointer indirection).
+ *
+ * HAVE_IPTC_HANDLE_T is used to determine which API ought to be used. While
+ * this is somewhat hacky, I didn't find better way to solve that :-/
+ * -tokkee
+ */
+# ifndef HAVE_IPTC_HANDLE_T
+typedef struct iptc_handle iptc_handle_t;
+# endif
+# ifndef HAVE_IP6TC_HANDLE_T
+typedef struct ip6tc_handle ip6tc_handle_t;
+# endif
+#endif /* !OWN_LIBIPTC */
 
 /*
  * (Module-)Global variables
@@ -429,8 +452,15 @@ static int iptables_read (void)
 
        if ( chain->ip_version == IPV4 )
         {
-                iptc_handle_t handle;
+#ifdef HAVE_IPTC_HANDLE_T
+               iptc_handle_t _handle;
+               iptc_handle_t *handle = &_handle;
+
+               *handle = iptc_init (chain->table);
+#else
+               iptc_handle_t *handle;
                 handle = iptc_init (chain->table);
+#endif
 
                 if (!handle)
                 {
@@ -440,13 +470,20 @@ static int iptables_read (void)
                         continue;
                 }
 
-                submit_chain (&handle, chain);
-                iptc_free (&handle);
+                submit_chain (handle, chain);
+                iptc_free (handle);
         }
         else if ( chain->ip_version == IPV6 )
         {
-                ip6tc_handle_t handle;
+#ifdef HAVE_IP6TC_HANDLE_T
+               ip6tc_handle_t _handle;
+               ip6tc_handle_t *handle = &_handle;
+
+               *handle = ip6tc_init (chain->table);
+#else
+                ip6tc_handle_t *handle;
                 handle = ip6tc_init (chain->table);
+#endif
 
                 if (!handle)
                 {
@@ -456,8 +493,8 @@ static int iptables_read (void)
                         continue;
                 }
 
-                submit6_chain (&handle, chain);
-                ip6tc_free (&handle);
+                submit6_chain (handle, chain);
+                ip6tc_free (handle);
         }
         else num_failures++;