X-Git-Url: https://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Fplugins%2Fradius%2Fradiusclient%2Flib%2Favpair.c;h=5f0644bb37ca6bea2a14fc15381ed80165d0ecee;hp=7db2249c4b352f5753d4a3f1a3d8fb1c42114ef4;hb=73722c28d461401b93d750a16c6ecc6eb975d58d;hpb=62230e86739202fd86841ad8bb39261a0410f63b

diff --git a/pppd/plugins/radius/radiusclient/lib/avpair.c b/pppd/plugins/radius/radiusclient/lib/avpair.c
index 7db2249..5f0644b 100644
--- a/pppd/plugins/radius/radiusclient/lib/avpair.c
+++ b/pppd/plugins/radius/radiusclient/lib/avpair.c
@@ -1,5 +1,5 @@
 /*
- * $Id: avpair.c,v 1.2 2002/10/01 08:35:21 fcusack Exp $
+ * $Id: avpair.c,v 1.3 2002/11/13 18:19:26 fcusack Exp $
  *
  * Copyright (C) 1995 Lars Fenneberg
  *
@@ -361,6 +361,34 @@ VALUE_PAIR *rc_avpair_get (VALUE_PAIR *vp, UINT4 attr)
 	return (vp);
 }
 
+/*
+ * Function: rc_avpair_copy
+ *
+ * Purpose: Return a copy of the existing list "p" ala strdup().
+ *
+ */
+VALUE_PAIR *rc_avpair_copy(VALUE_PAIR *p)
+{
+	VALUE_PAIR *vp, *fp = NULL, *lp = NULL;
+
+	while (p) {
+		vp = malloc(sizeof(VALUE_PAIR));
+		if (!vp) {
+		    rc_log(LOG_CRIT, "rc_avpair_copy: out of memory");
+		    return NULL; /* leaks a little but so what */
+		}
+		*vp = *p;
+		if (!fp)
+			fp = vp;
+		if (lp)
+			lp->next = vp;
+		lp = vp;
+		p = p->next;
+	}
+
+	return fp;
+}
+
 /*
  * Function: rc_avpair_insert
  *
@@ -382,6 +410,9 @@ void rc_avpair_insert (VALUE_PAIR **a, VALUE_PAIR *p, VALUE_PAIR *b)
 		return;
 	}
 
+	if (!b)
+		return;
+
 	vp = *a;
 
 	if ( p == (VALUE_PAIR *) NULL) /* run to end of "a" list */