1 files changed, 4 insertions, 21 deletions

diff --git a/src/PJ_isea.c b/src/PJ_isea.c
index deaecb0f..223d8f28 100644
--- a/src/PJ_isea.c
+++ b/src/PJ_isea.c
@@ -1034,6 +1034,7 @@ isea_forward(struct isea_dgg *g, struct isea_geo *in)
  */
 
 #define PJ_LIB__
+#include <errno.h>
 #include <proj.h>
 #include "projects.h"
 
@@ -1062,27 +1063,11 @@ static XY s_forward (LP lp, PJ *P) {           /* Spheroidal, forward */
 }
 
 
-static void *freeup_new (PJ *P) {                       /* Destructor */
-    if (0==P)
-        return 0;
-    if (0==P->opaque)
-        return pj_dealloc (P);
-
-    pj_dealloc (P->opaque);
-    return pj_dealloc(P);
-}
-
-static void freeup (PJ *P) {
-    freeup_new (P);
-    return;
-}
-
-
 PJ *PROJECTION(isea) {
     char *opt;
     struct pj_opaque *Q = pj_calloc (1, sizeof (struct pj_opaque));
     if (0==Q)
-        return freeup_new (P);
+        return pj_default_destructor (P, ENOMEM);
     P->opaque = Q;
 
 
@@ -1100,8 +1085,7 @@ PJ *PROJECTION(isea) {
         } else if (!strcmp(opt, "pole")) {
             isea_orient_pole(&Q->dgg);
         } else {
-            proj_errno_set(P, PJD_ERR_ELLIPSOID_USE_REQUIRED);
-            return freeup_new(P);
+            return pj_default_destructor(P, PJD_ERR_ELLIPSOID_USE_REQUIRED);
         }
     }
 
@@ -1140,8 +1124,7 @@ PJ *PROJECTION(isea) {
         }
         else {
             /* TODO verify error code.  Possibly eliminate magic */
-            proj_errno_set(P, PJD_ERR_ELLIPSOID_USE_REQUIRED);
-            return freeup_new(P);
+            return pj_default_destructor(P, PJD_ERR_ELLIPSOID_USE_REQUIRED);
         }
     }