Example test run. Fails the new test. But will pass after PR #3 is applied.

paul@linux-paul:~/Documents/github/mini_gzip> make test
cp mini_gzip data
#cp /etc/services data
chmod 644 data

------------------ Compress with gzip(1), uncompress with mini_gzip

-rw-r--r-- 1 paul users 105560 Nov 20 17:47 data
gzip -c data > data.gz
./mini_gzip -d data.gz data.o
flag_c: 0 is_gzipped: 1
in_fn: data.gz out_fn: data.o level 0
uncomp_len = 105560
--- testing decompression --
out_len = 105560
ret = 105560
-rw-r--r-- 1 paul users 105560 Nov 20 17:47 data.o
diff data.o data

------------------ Uncompress test_MZ_STREAM_END.gz with mini_gzip

./mini_gzip -d test_MZ_STREAM_END.gz test_MZ_STREAM_END.o
flag_c: 0 is_gzipped: 1
in_fn: test_MZ_STREAM_END.gz out_fn: test_MZ_STREAM_END.o level 0
uncomp_len = 19200
--- testing decompression --
out_len = -3
Error: Uncompressed only -3 bytes, expected 19200, main:125
make: *** [makefile:33: test] Error 1
paul@linux-paul:~/Documents/github/mini_gzip>