From 37ebb8f9f0cc5083d22f84433fb2de0fdde8be00 Mon Sep 17 00:00:00 2001
From: Kurt Schwehr <schwehr@gmail.com>
Date: Tue, 22 May 2018 14:03:01 -0700
Subject: Horner degree must be a positive integer (#1005)

Found with autofuzz
---
 src/PJ_horner.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/PJ_horner.c b/src/PJ_horner.c
index 50e13850..09554a7f 100644
--- a/src/PJ_horner.c
+++ b/src/PJ_horner.c
@@ -454,9 +454,9 @@ PJ *PROJECTION(horner) {
     /* Polynomial degree specified? */
     if (pj_param (P->ctx, P->params, "tdeg").i) { /* degree specified? */
         degree = pj_param(P->ctx, P->params, "ideg").i;
-        if (degree > 10000) {
-            /* What is a reasonable maximum for the degree? */
-            proj_log_debug (P, "Horner: Degree too large: %d", degree);
+        if (degree < 0 || degree > 10000) {
+            /* What are reasonable minimum and maximums for degree? */
+            proj_log_debug (P, "Horner: Degree is unreasonable: %d", degree);
             return horner_freeup (P, PJD_ERR_INVALID_ARG);
         }
     } else {
-- 
cgit v1.2.3