From 04d17b6b1dba10f07c654127cea8c7792a983381 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Sat, 22 May 2021 18:43:33 +0200
Subject: [PATCH] shp2img.c: fix Untrusted loop bound (CID 1174460)

---
 shp2img.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/shp2img.c b/shp2img.c
index 508ff38e9b..6054ea17ae 100644
--- a/shp2img.c
+++ b/shp2img.c
@@ -30,7 +30,7 @@
 #include "mapserver.h"
 #include "maptime.h"
 
-
+#include "limits.h"
 
 int main(int argc, char *argv[])
 {
@@ -52,6 +52,11 @@ int main(int argc, char *argv[])
   for(i=1; i<argc; i++) {
     if (strcmp(argv[i],"-c") == 0) { /* user specified number of draws */
       iterations = atoi(argv[i+1]);
+      if( iterations < 0 || iterations > INT_MAX - 1 )
+      {
+          printf("Invalid number of iterations");
+          return 1;
+      }
       printf("We will draw %d times...\n", iterations);
       continue;
     }