--- projects/libstatgrab/src/libstatgrab/process_stats.c	2004/11/06 15:10:07	1.77
+++ projects/libstatgrab/src/libstatgrab/process_stats.c	2004/11/06 15:31:26	1.78
@@ -18,7 +18,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  * 02111-1307 USA
  *
- * $Id: process_stats.c,v 1.77 2004/11/06 15:10:07 ats Exp $
+ * $Id: process_stats.c,v 1.78 2004/11/06 15:31:26 ats Exp $
  */
 
 #ifdef HAVE_CONFIG_H
@@ -685,9 +685,16 @@ sg_process_stats *sg_get_process_stats(int *entries){
 		return NULL;
 	}
 
-	do {
+	while (1) {
 		num = pstat_getproc(pstat_procinfo, sizeof pstat_procinfo[0],
 		                    PROCESS_BATCH, procidx);
+		if (num == -1) {
+			sg_set_error_with_errno(SG_ERROR_PSTAT,
+			                        "pstat_getproc");
+			return NULL;
+		} else if (num == 0) {
+			break;
+		}
 
 		for (i = 0; i < num; i++) {
 			struct pst_status *pi = &pstat_procinfo[i];
@@ -740,8 +747,8 @@ sg_process_stats *sg_get_process_stats(int *entries){
 	
 			proc_state_size++;
 		}
-		procidx = pstat_procinfo[n - 1].pst_idx + 1;
-	} while (num > 0);
+		procidx = pstat_procinfo[num - 1].pst_idx + 1;
+	}
 #endif
 
 #ifdef CYGWIN