use basename to determine filename for imginfo as suggested by sebastian

git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk@1662 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/program/src/rrd_graph.c b/program/src/rrd_graph.c
index b6d5bebb4b88dd4c01bd682a2a5535aed1875334..8aa71560b8c60ef554c00c50cc28d0bad2ca5ff8 100644 (file)
--- a/program/src/rrd_graph.c
+++ b/program/src/rrd_graph.c
@@ -3682,14 +3682,11 @@ rrd_info_t *rrd_graph_v(
 
     if (im.imginfo) {
         rrd_infoval_t info;
+        char     *path;
         char     *filename;
 
-        filename = im.graphfile + strlen(im.graphfile);
-        while (filename > im.graphfile) {
-            if (*(filename - 1) == '/' || *(filename - 1) == '\\')
-                break;
-            filename--;
-        }
+        path = strdup(im.graphfile);
+        filename = basename(path);
         info.u_str =
             sprintf_alloc(im.imginfo,
                           filename,
@@ -3697,6 +3694,7 @@ rrd_info_t *rrd_graph_v(
                                   im.ximg), (long) (im.zoom * im.yimg));
         grinfo_push(&im, sprintf_alloc("image_info"), RD_I_STR, info);
         free(info.u_str);
+        free(path);
     }
     if (im.rendered_image) {
         rrd_infoval_t img;