diff -Naur net-snmp-5.3.1/perl/OID/OID.xs net-snmp-5.3.1.oden/perl/OID/OID.xs
--- net-snmp-5.3.1/perl/OID/OID.xs	2005-09-09 12:09:31.000000000 +0200
+++ net-snmp-5.3.1.oden/perl/OID/OID.xs	2006-08-10 12:28:40.000000000 +0200
@@ -178,16 +178,19 @@
 nso_newptr(initstring)
     char *initstring
     CODE:
+        size_t len;
         if (get_tree_head() == NULL)
             init_mib();
         RETVAL = SNMP_MALLOC_TYPEDEF(netsnmp_oid);
         RETVAL->name = RETVAL->namebuf;
         RETVAL->len = sizeof(RETVAL->namebuf)/sizeof(RETVAL->namebuf[0]);
-        if (!snmp_parse_oid(initstring, (oid *) RETVAL->name, &RETVAL->len)) {
+        if (!snmp_parse_oid(initstring, (oid *) RETVAL->name, &len)) {
             snmp_log(LOG_ERR, "Can't parse: %s\n", initstring);
             RETVAL->len = 0;
             RETVAL = NULL;
         }
+        else
+            RETVAL->len = len;
     OUTPUT:
         RETVAL
 
diff -Naur net-snmp-5.3.1/perl/SNMP/SNMP.xs net-snmp-5.3.1.oden/perl/SNMP/SNMP.xs
--- net-snmp-5.3.1/perl/SNMP/SNMP.xs	2006-05-26 18:59:15.000000000 +0200
+++ net-snmp-5.3.1.oden/perl/SNMP/SNMP.xs	2006-08-10 12:21:26.000000000 +0200
@@ -117,15 +117,15 @@
                               netsnmp_variable_list*, struct tree *,
                              int, int));
 static int __sprint_num_objid _((char *, oid *, int));
-static int __scan_num_objid _((char *, oid *, int *));
+static int __scan_num_objid _((char *, oid *, size_t *));
 static int __get_type_str _((int, char *));
 static int __get_label_iid _((char *, char **, char **, int));
 static int __oid_cmp _((oid *, int, oid *, int));
 static int __tp_sprint_num_objid _((char*,SnmpMibNode *));
 static SnmpMibNode * __get_next_mib_node _((SnmpMibNode *));
 static struct tree * __oid2tp _((oid*, int, struct tree *, int*));
-static struct tree * __tag2oid _((char *, char *, oid  *, int  *, int *, int));
-static int __concat_oid_str _((oid *, int *, char *));
+static struct tree * __tag2oid _((char *, char *, oid  *, size_t  *, int *, int));
+static int __concat_oid_str _((oid *, size_t *, char *));
 static int __add_var_val_str _((netsnmp_pdu *, oid *, int, char *,
                                  int, int));
 static int __send_sync_pdu _((netsnmp_session *, netsnmp_pdu *,
@@ -583,7 +583,7 @@
 __scan_num_objid (buf, objid, len)
 char *buf;
 oid *objid;
-int *len;
+size_t *len;
 {
    char *cp;
    *len = 0;
@@ -874,14 +874,14 @@
 char * tag;
 char * iid;
 oid  * oid_arr;
-int  * oid_arr_len;
+size_t  * oid_arr_len;
 int  * type;
 int    best_guess;
 {
    struct tree *tp = NULL;
    struct tree *rtp = NULL;
    oid newname[MAX_OID_LEN], *op;
-   int newname_len = 0;
+   size_t newname_len = 0;
    const char *cp = NULL;
    char *module = NULL;
 
@@ -1022,7 +1022,7 @@
 static int
 __concat_oid_str(doid_arr, doid_arr_len, soid_str)
 oid *doid_arr;
-int *doid_arr_len;
+size_t *doid_arr_len;
 char * soid_str;
 {
    char soid_buf[STR_BUF_SIZE];
@@ -3006,7 +3006,7 @@
            netsnmp_pdu *pdu, *response;
            struct tree *tp;
 	   oid *oid_arr;
-	   int oid_arr_len = MAX_OID_LEN;
+	   size_t oid_arr_len = MAX_OID_LEN;
            char *tag_pv;
            snmp_xs_cb_data *xs_cb_data;
            SV **sess_ptr_sv;
@@ -3207,7 +3207,7 @@
            struct tree *tp;
            int len;
 	   oid *oid_arr;
-	   int oid_arr_len = MAX_OID_LEN;
+	   size_t oid_arr_len = MAX_OID_LEN;
            SV *tmp_sv;
            int type;
 	   char tmp_type_str[MAX_TYPE_NAME_LEN];
@@ -3425,7 +3425,7 @@
            struct tree *tp;
            int len;
 	   oid *oid_arr;
-	   int oid_arr_len = MAX_OID_LEN;
+	   size_t oid_arr_len = MAX_OID_LEN;
            SV *tmp_sv;
            int type;
 	   char tmp_type_str[MAX_TYPE_NAME_LEN];
@@ -3669,7 +3669,7 @@
            struct tree *tp;
            int len;
 	   oid *oid_arr;
-	   int oid_arr_len = MAX_OID_LEN;
+	   size_t oid_arr_len = MAX_OID_LEN;
            SV *tmp_sv;
            int type;
 	   char tmp_type_str[MAX_TYPE_NAME_LEN];
@@ -3897,7 +3897,7 @@
            netsnmp_session *ss;
            netsnmp_pdu *pdu = NULL;
 	   oid oid_arr[MAX_OID_LEN];
-	   int oid_arr_len;
+	   size_t oid_arr_len;
            SV **sess_ptr_sv;
            SV **err_str_svp;
            SV **err_num_svp;
@@ -4208,7 +4208,7 @@
            netsnmp_pdu *pdu = NULL;
            struct tree *tp;
 	   oid *oid_arr;
-	   int oid_arr_len = MAX_OID_LEN;
+	   size_t oid_arr_len = MAX_OID_LEN;
            SV **sess_ptr_sv;
            SV **err_str_svp;
            SV **err_num_svp;
@@ -4347,7 +4347,7 @@
            netsnmp_pdu *pdu = NULL;
            struct tree *tp;
 	   oid *oid_arr;
-	   int oid_arr_len = MAX_OID_LEN;
+	   size_t oid_arr_len = MAX_OID_LEN;
            SV **sess_ptr_sv;
            SV **err_str_svp;
            SV **err_num_svp;
@@ -4484,7 +4484,7 @@
            netsnmp_pdu *response;
            struct tree *tp;
 	   oid *oid_arr;
-	   int oid_arr_len = MAX_OID_LEN;
+	   size_t oid_arr_len = MAX_OID_LEN;
            snmp_xs_cb_data *xs_cb_data;
            SV **sess_ptr_sv;
            SV **err_str_svp;
@@ -4715,7 +4715,7 @@
            char str_buf[STR_BUF_SIZE];
            char str_buf_temp[STR_BUF_SIZE];
            oid oid_arr[MAX_OID_LEN];
-           int oid_arr_len = MAX_OID_LEN;
+           size_t oid_arr_len = MAX_OID_LEN;
            char * label;
            char * iid;
            int status = FAILURE;
diff -Naur net-snmp-5.3.1/snmplib/scapi.c net-snmp-5.3.1.oden/snmplib/scapi.c
--- net-snmp-5.3.1/snmplib/scapi.c	2006-01-30 13:08:15.000000000 +0100
+++ net-snmp-5.3.1.oden/snmplib/scapi.c	2006-08-10 12:19:07.000000000 +0200
@@ -271,8 +271,10 @@
     int             properlength;
 
     u_char          buf[SNMP_MAXBUF_SMALL];
-#if  defined(USE_OPENSSL) || defined(USE_PKCS)
-    size_t             buf_len = sizeof(buf);
+#ifdef USE_OPENSSL
+    unsigned int    buf_len = sizeof(buf);
+#elif defined(USE_PKCS)
+    size_t          buf_len = sizeof(buf);
 #endif
 
     DEBUGTRACE;