Creates a local path constructed from basepath
/ fileprefix
+ "-" + filename
, and makes sure the
path basepath
exists.
If creation of the path fails, then NULL is returned.
basepath |
base path of a file name; this is left unchanged |
fileprefix |
prefix for the filename; this is encoded |
filename |
file name to use; this is encoded; can be |
fileindex |
used when |
Full local path like build_filename except that |