+ fh = fopen ("/proc/swaps", "r");
+ if (fh == NULL)
+ {
+ char errbuf[1024];
+ WARNING ("swap plugin: fopen (/proc/swaps) failed: %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ return (-1);
+ }
+
+ while (fgets (buffer, sizeof (buffer), fh) != NULL)
+ {
+ char *fields[8];
+ int numfields;
+ char *endptr;
+
+ char path[PATH_MAX];
+ gauge_t size;
+ gauge_t used;
+ gauge_t free;
+
+ numfields = strsplit (buffer, fields, STATIC_ARRAY_SIZE (fields));
+ if (numfields != 5)
+ continue;
+
+ sstrncpy (path, fields[0], sizeof (path));
+ escape_slashes (path, sizeof (path));
+
+ errno = 0;
+ endptr = NULL;
+ size = strtod (fields[2], &endptr);
+ if ((endptr == fields[2]) || (errno != 0))
+ continue;
+
+ errno = 0;
+ endptr = NULL;
+ used = strtod (fields[3], &endptr);
+ if ((endptr == fields[3]) || (errno != 0))
+ continue;
+
+ if (size < used)
+ continue;
+
+ free = size - used;
+
+ swap_submit_gauge (path, "used", used);
+ swap_submit_gauge (path, "free", free);
+ }
+
+ fclose (fh);