allow to pass an open filehandle into rrd_graph as an extra argument

[rrdtool.git] / src / rrd_graph.h

diff --git a/src/rrd_graph.h b/src/rrd_graph.h
index a746736..09c2f1d 100644 (file)
--- a/src/rrd_graph.h
+++ b/src/rrd_graph.h
@@ -128,6 +128,7 @@ typedef struct image_desc_t {
     /* configuration of graph */
 
     char           graphfile[MAXPATH]; /* filename for graphic */
+    FILE         *graphhandle;        /* FILE to use if filename is "-" */
     long           xsize,ysize,piesize;    /* graph area size in pixels */
     gfx_color_t    graph_col[__GRC_END__]; /* real colors for the graph */   
     text_prop_t    text_prop[TEXT_PROP_LAST]; /* text properties */
@@ -210,7 +211,7 @@ int graph_paint(image_desc_t *, char ***);
 void pie_part(image_desc_t *, gfx_color_t, double, double, double, double, double);
 int gdes_alloc(image_desc_t *);
 int scan_for_col(char *, int, char *);
-int rrd_graph(int, char **, char ***, int *, int *);
+int rrd_graph(int, char **, char ***, int *, int *, FILE *);
 void rrd_graph_init(image_desc_t *);
 void rrd_graph_options(int, char **, image_desc_t *);
 void rrd_graph_script(int, char **, image_desc_t *);