--- a/ChangeLog	Sun Mar 03 19:34:57 2019 +0100
+++ b/ChangeLog	Sun Mar 03 19:36:14 2019 +0100
@@ -1,3 +1,9 @@
+2019-03-03  Bruno Haible  <bruno@clisp.org>
+
+	getloadavg: Write NULL for the null pointer.
+	Reported by Michal Privoznik <mprivozn@redhat.com>.
+	* lib/getloadavg.c (getloadavg): Write NULL instead of 0.
+
 2019-02-28  Michal Privoznik  <mprivozn@redhat.com>
 
 	alloca, tsearch-tests: Write NULL for the null pointer.

--- a/lib/getloadavg.c	Sun Mar 03 19:34:57 2019 +0100
+++ b/lib/getloadavg.c	Sun Mar 03 19:36:14 2019 +0100
@@ -424,17 +424,17 @@
   int saved_errno;
 
   kc = kstat_open ();
-  if (kc == 0)
+  if (kc == NULL)
     return -1;
   ksp = kstat_lookup (kc, "unix", 0, "system_misc");
-  if (ksp == 0)
+  if (ksp == NULL)
     return -1;
   if (kstat_read (kc, ksp, 0) == -1)
     return -1;
 
 
   kn = kstat_data_lookup (ksp, "avenrun_1min");
-  if (kn == 0)
+  if (kn == NULL)
     {
       /* Return -1 if no load average information is available.  */
       nelem = 0;
@@ -447,14 +447,14 @@
   if (nelem >= 2)
     {
       kn = kstat_data_lookup (ksp, "avenrun_5min");
-      if (kn != 0)
+      if (kn != NULL)
         {
           loadavg[elem++] = (double) kn->value.ul / FSCALE;
 
           if (nelem >= 3)
             {
               kn = kstat_data_lookup (ksp, "avenrun_15min");
-              if (kn != 0)
+              if (kn != NULL)
                 loadavg[elem++] = (double) kn->value.ul / FSCALE;
             }
         }
@@ -895,7 +895,7 @@
       /* We pass 0 for the kernel, corefile, and swapfile names
          to use the currently running kernel.  */
       kd = kvm_open (0, 0, 0, O_RDONLY, 0);
-      if (kd != 0)
+      if (kd != NULL)
         {
           /* nlist the currently running kernel.  */
           kvm_nlist (kd, name_list);