diff --git a/src/pmdas/sample/src/events.c b/src/pmdas/sample/src/events.c
index 80a4bf4..90a58bc 100644
--- a/src/pmdas/sample/src/events.c
+++ b/src/pmdas/sample/src/events.c
@@ -47,11 +47,11 @@ check_buf(int need)
 static int
 add_param(pmID pmid, int type, pmAtomValue *avp)
 {
-    int			need;		/* bytes in the buffer */
-    int			vlen;		/* value only length */
     int			sts;
+    int			need;		/* bytes in the buffer */
+    int			vlen = 0;	/* value only length */
+    void		*src = NULL;
     pmEventParameter	*epp;
-    void		*src;
 
     need = sizeof(pmEventParameter);
     switch (type) {
diff --git a/src/pmdumplog/pmdumplog.c b/src/pmdumplog/pmdumplog.c
index 10f4531..b95868c 100644
--- a/src/pmdumplog/pmdumplog.c
+++ b/src/pmdumplog/pmdumplog.c
@@ -192,7 +192,8 @@ dumpresult(pmResult *resp)
 		    int		sts;
 		    pmDesc	desc;
 		    char	*name;
-		    int		flags;
+		    int		flags = 0;
+
 		    if (pmNameID(xvsp->pmid, &name) >= 0) {
 			if (p == 0) {
 			    if (xvsp->pmid == pmid_flags) {
diff --git a/src/pminfo/pminfo.c b/src/pminfo/pminfo.c
index 23a4fd4..7bb6bf8 100644
--- a/src/pminfo/pminfo.c
+++ b/src/pminfo/pminfo.c
@@ -124,8 +124,8 @@ mydump(pmDesc *dp, pmValueSet *vsp, char *indent)
 	    int		r;		/* event records */
 	    int		p;		/* event parameters */
 	    int		nrecords;
-	    int		flags;
-	    static pmID	pmid_flags = 0;
+	    int		flags = 0;
+	    static pmID	pmid_flags;
 	    static pmID	pmid_missed;
 	    pmResult	**res;
 
diff --git a/src/pmlogger/events.c b/src/pmlogger/events.c
index 58b8280..b47c880 100644
--- a/src/pmlogger/events.c
+++ b/src/pmlogger/events.c
@@ -74,7 +74,7 @@ do_events(pmValueSet *vsp)
 		     */
 		    char	*name;
 		    names = (char **)malloc(sizeof(char *)+strlen("event_param")+3+1+4+1+4+1);
-		    if (name == NULL)
+		    if (names == NULL)
 			return -errno;
 		    name = (char *)&names[1];
 		    names[0] = name;