How to give path in location in this form

[Shubham Shrivastava]

 sprintf(fullpath,
"/home/Videos/Date%02d%02d%d/CAM1",tt->tm_mday,tt->tm_mon + 1, tt-> tm_year
+ 1900);
 g_object_set(G_OBJECT
(data.filesink),"location","fullpath/Cam1_%03d.mp4","async",0, NULL);

instead of

g_object_set(G_OBJECT
(data.filesink),"location","/home/shubham/Videos/Date16062018/CAM1/Cam1_%03d.mp4","async",0,
NULL);
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