X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Fswap.c;h=1cf707797f1057b4fb6124c763a46e057b2753ee;hb=89783745dc59079eab34e0c52de6e5e972f50eb2;hp=945c7580aef84dfdc944a0dd8f2e268773159d2a;hpb=838af4cdc6c8674ed3e14a95fea172118c707a85;p=collectd.git

diff --git a/src/swap.c b/src/swap.c
index 945c7580..1cf70779 100644
--- a/src/swap.c
+++ b/src/swap.c
@@ -36,26 +36,9 @@
 #  include <kvm.h>
 #endif
 
-#if KERNEL_LINUX || HAVE_LIBKSTAT || defined(VM_SWAPUSAGE) || HAVE_LIBKVM || HAVE_LIBSTATGRAB
-# define SWAP_HAVE_READ 1
-#else
-# define SWAP_HAVE_READ 0
-#endif
-
 #undef  MAX
 #define MAX(x,y) ((x) > (y) ? (x) : (y))
 
-static data_source_t data_source[1] =
-{
-	{"value", DS_TYPE_GAUGE, 0, 1099511627776.0}
-};
-
-static data_set_t data_set =
-{
-	"swap", 1, data_source
-};
-
-#if SWAP_HAVE_READ
 #if KERNEL_LINUX
 /* No global variables */
 /* #endif KERNEL_LINUX */
@@ -76,6 +59,10 @@ int kvm_pagesize;
 
 #elif HAVE_LIBSTATGRAB
 /* No global variables */
+/* #endif HAVE_LIBSTATGRAB */
+
+#else
+# error "No applicable input method."
 #endif /* HAVE_LIBSTATGRAB */
 
 static int swap_init (void)
@@ -156,7 +143,9 @@ static int swap_read (void)
 
 	if ((fh = fopen ("/proc/meminfo", "r")) == NULL)
 	{
-		WARNING ("memory: fopen: %s", strerror (errno));
+		char errbuf[1024];
+		WARNING ("memory: fopen: %s",
+				sstrerror (errno, errbuf, sizeof (errbuf)));
 		return (-1);
 	}
 
@@ -182,7 +171,11 @@ static int swap_read (void)
 	}
 
 	if (fclose (fh))
-		WARNING ("memory: fclose: %s", strerror (errno));
+	{
+		char errbuf[1024];
+		WARNING ("memory: fclose: %s",
+				sstrerror (errno, errbuf, sizeof (errbuf)));
+	}
 
 	if ((swap_total == 0LL) || ((swap_free + swap_cached) > swap_total))
 		return (-1);
@@ -203,8 +196,9 @@ static int swap_read (void)
 
 	if (swapctl (SC_AINFO, &ai) == -1)
 	{
+		char errbuf[1024];
 		ERROR ("swap plugin: swapctl failed: %s",
-				strerror (errno));
+				sstrerror (errno, errbuf, sizeof (errbuf)));
 		return (-1);
 	}
 
@@ -238,7 +232,7 @@ static int swap_read (void)
 
 	swap_submit ("used", swap_alloc);
 	swap_submit ("free", swap_avail);
-	swap_submit ("reserved", swap_resv - swap_alloc);
+	swap_submit ("reserved", swap_resv);
 /* #endif HAVE_LIBKSTAT */
 
 #elif defined(VM_SWAPUSAGE)
@@ -303,14 +297,9 @@ static int swap_read (void)
 
 	return (0);
 } /* int swap_read */
-#endif /* SWAP_HAVE_READ */
 
 void module_register (void)
 {
-	plugin_register_data_set (&data_set);
-
-#if SWAP_HAVE_READ
 	plugin_register_init ("swap", swap_init);
 	plugin_register_read ("swap", swap_read);
-#endif /* SWAP_HAVE_READ */
-}
+} /* void module_register */