From abad23412f0920276c32567c8f237be23aa94941 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Sat, 2 Feb 2019 11:25:36 +0100
Subject: pj_ellipsoid(): avoid division by zero when R=0. Fixes
 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12843. Credit to OSS
 Fuzz

---
 src/ell_set.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/ell_set.cpp')

diff --git a/src/ell_set.cpp b/src/ell_set.cpp
index f4228be8..4c9fc892 100644
--- a/src/ell_set.cpp
+++ b/src/ell_set.cpp
@@ -88,7 +88,8 @@ int pj_ellipsoid (PJ *P) {
 
     /* Specifying R overrules everything */
     if (pj_get_param (P->params, "R")) {
-        ellps_size (P);
+        if (0 != ellps_size (P))
+            return 1;
         pj_calc_ellipsoid_params (P, P->a, 0);
         if (proj_errno (P))
             return 1;
-- 
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