From 10c29a9e46c9a3e74462c6b53584bebc711db2cb Mon Sep 17 00:00:00 2001
From: Frank Warmerdam <warmerdam@pobox.com>
Date: Tue, 14 Sep 2004 18:04:34 +0000
Subject: * src/pj_pr_list.c: Ensure unused parameters are not included in the
 returned string (provided by Eric Miller).

git-svn-id: http://svn.osgeo.org/metacrs/proj/trunk@1225 4e78687f-474d-0410-85f9-8d5e500ac6b2
---
 src/pj_pr_list.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src')

diff --git a/src/pj_pr_list.c b/src/pj_pr_list.c
index f7a62344..0be154b9 100644
--- a/src/pj_pr_list.c
+++ b/src/pj_pr_list.c
@@ -68,6 +68,11 @@ char *pj_get_def( PJ *P, int options )
 
     for (t = P->params; t; t = t->next)
     {
+        /* skip unused parameters ... mostly appended defaults and stuff */
+        if (!t->used)
+            continue;
+
+        /* grow the resulting string if needed */
         l = strlen(t->param) + 1;
         if( strlen(definition) + l + 5 > def_max )
         {
@@ -80,6 +85,7 @@ char *pj_get_def( PJ *P, int options )
             definition = def2;
         }
 
+        /* append this parameter */
         strcat( definition, " +" );
         strcat( definition, t->param );
     }
-- 
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