Applied Wang Cong Patch, Check whether fstream::open() failed.
tree0681f745ae68fa30d628c210c6c6e9e2cafcdec9
-rw-r--r-- 15122 COPYING
-rw-r--r-- 0 ChangeLog
-rw-r--r-- 15122 LICENSE
-rw-r--r-- 1726 Makefile
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