diff --git a/src/rrd_xport.c b/src/rrd_xport.c
index 4457b60f9478dbe13159137b3ec7b50ddd3baf0d..b2afd1cb25fa0db3c7218e3401d249de6c8b376c 100644 (file)
--- a/src/rrd_xport.c
+++ b/src/rrd_xport.c
rrd_value_t *data=NULL;
/* initialize buffer */
stringbuffer_t buffer={0,0,NULL,NULL};
+
+ /* check if we have a supported ggraph format */
+ switch (im->graph_type) {
+ /* allow the following to pass */
+ case GTYPE_TIME:
+ case GTYPE_XY:
+ break;
+ default:
+ rrd_set_error("Not supported graph type");
+ return -1;
+ }
+
/* if we write a file, then open it */
if (strlen(im->graphfile)) {
buffer.file=fopen(im->graphfile,"w");