Allow calling geography_in with less than 3 args (see #1320)

git-svn-id: http://svn.osgeo.org/postgis/trunk@8432 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/postgis/geography_inout.c b/postgis/geography_inout.c
index 28af7c37cac83a4ee82673cfaad1c96e17a3b36f..bcd80d5a5d6ae6b75785326ff0fc54aa7aebd2b1 100644 (file)
--- a/postgis/geography_inout.c
+++ b/postgis/geography_inout.c
@@ -82,11 +82,15 @@ Datum geography_in(PG_FUNCTION_ARGS)
 {
        char *str = PG_GETARG_CSTRING(0);
        /* Datum geog_oid = PG_GETARG_OID(1); Not needed. */
-       int32 geog_typmod = PG_GETARG_INT32(2);
+       int32 geog_typmod = -1;
        LWGEOM_PARSER_RESULT lwg_parser_result;
        LWGEOM *lwgeom = NULL;
        GSERIALIZED *g_ser = NULL;
 
+       if ( (PG_NARGS()>2) && (!PG_ARGISNULL(2)) ) {
+               geog_typmod = PG_GETARG_INT32(2);
+       }
+
        lwgeom_parser_result_init(&lwg_parser_result);
 
        /* Empty string. */