Fix temperature reporting on OpenBSD

[slstatus.git] / components / swap.c

diff --git a/components/swap.c b/components/swap.c
index 1958eef..2509db1 100644 (file)
--- a/components/swap.c
+++ b/components/swap.c
@@ -1,5 +1,4 @@
 /* See LICENSE file for copyright and license details. */
-#include <errno.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -41,8 +40,8 @@
                        for (i = 0; i < LEN(ent); i++) {
                                if (ent[i].var &&
                                    !strncmp(line, ent[i].name, ent[i].len)) {
-                                       sscanf(line + ent[i].len + 1, "%ld kB\n",
-                                              ent[i].var);
+                                       sscanf(line + ent[i].len + 1,
+                                              "%ld kB\n", ent[i].var);
                                        left--;
                                        break;
                                }
@@ -107,7 +106,6 @@
        }
 #elif defined(__OpenBSD__)
        #include <stdlib.h>
-       #include <sys/param.h> /* dbtob */
        #include <sys/swap.h>
        #include <sys/types.h>
        #include <unistd.h>
@@ -199,4 +197,88 @@
 
                return fmt_human(used * 1024, 1024);
        }
+#elif defined(__FreeBSD__)
+       #include <stdlib.h>
+       #include <sys/types.h>
+       #include <fcntl.h>
+       #include <unistd.h>
+       #include <kvm.h>
+
+       static int getswapinfo(struct kvm_swap *swap_info, size_t size)
+       {
+               kvm_t *kd;
+
+               kd = kvm_openfiles(NULL, "/dev/null", NULL, 0, NULL);
+               if(kd == NULL) {
+                       warn("kvm_openfiles '/dev/null':");
+                       return 0;
+               }
+
+               if(kvm_getswapinfo(kd, swap_info, size, 0 /* Unused flags */) == -1) {
+                       warn("kvm_getswapinfo:");
+                       kvm_close(kd);
+                       return 0;
+               }
+
+               kvm_close(kd);
+               return 1;
+       }
+
+       const char *
+       swap_free(void)
+       {
+               struct kvm_swap swap_info[1];
+               long used, total;
+
+               if(!getswapinfo(swap_info, 1))
+                       return NULL;
+
+               total = swap_info[0].ksw_total;
+               used = swap_info[0].ksw_used;
+
+               return fmt_human((total - used) * getpagesize(), 1024);
+       }
+
+       const char *
+       swap_perc(void)
+       {
+               struct kvm_swap swap_info[1];
+               long used, total;
+
+               if(!getswapinfo(swap_info, 1))
+                       return NULL;
+
+               total = swap_info[0].ksw_total;
+               used = swap_info[0].ksw_used;
+
+               return bprintf("%d", used * 100 / total);
+       }
+
+       const char *
+       swap_total(void)
+       {
+               struct kvm_swap swap_info[1];
+               long total;
+
+               if(!getswapinfo(swap_info, 1))
+                       return NULL;
+
+               total = swap_info[0].ksw_total;
+
+               return fmt_human(total * getpagesize(), 1024);
+       }
+
+       const char *
+       swap_used(void)
+       {
+               struct kvm_swap swap_info[1];
+               long used;
+
+               if(!getswapinfo(swap_info, 1))
+                       return NULL;
+
+               used = swap_info[0].ksw_used;
+
+               return fmt_human(used * getpagesize(), 1024);
+       }
 #endif