[Backport branch-8-0] reset isreported to MS_FALSE in msResetErrorLis…

…t() (#6543) (#6581)

* reset isreported to MS_FALSE in msResetErrorList() (#6543)

* send two queries in a row without arguments to the FastCGI process (#6543)

Co-authored-by: Landry Breuil <landry@rhaalovely.net>

.github/workflows/start.sh

@@ -106,6 +106,14 @@ echo "Running FastCGI query again"
 curl -s "http://localhost/cgi-bin/mapserv.fcgi?MAP=/tmp/wfs_simple.map&SERVICE=WFS&REQUEST=GetCapabilities" > /tmp/res.xml
 cat /tmp/res.xml | grep wfs:WFS_Capabilities >/dev/null || (cat /tmp/res.xml && /bin/false)
 
+echo "Check that we return an error if given no arguments"
+curl -s "http://localhost/cgi-bin/mapserv.fcgi" > /tmp/res.xml
+cat /tmp/res.xml | grep -q 'QUERY_STRING is set, but empty' || (cat /tmp/res.xml && /bin/false)
+
+echo "Check again to make sure further errors are reported (#6543)"
+curl -s "http://localhost/cgi-bin/mapserv.fcgi" > /tmp/res.xml
+cat /tmp/res.xml | grep -q 'QUERY_STRING is set, but empty' || (cat /tmp/res.xml && /bin/false)
+
 cd msautotest/wxs
 
 export PATH=/tmp/install-mapserver/bin:$PATH

maperror.c

@@ -232,6 +232,7 @@ void msResetErrorList()
 
   ms_error->next = NULL;
   ms_error->code = MS_NOERR;
+  ms_error->isreported = MS_FALSE;
   ms_error->routine[0] = '\0';
   ms_error->message[0] = '\0';
   ms_error->errorcount = 0;