diff options
author | Boris Kolpackov <boris@codesynthesis.com> | 2016-08-02 13:56:20 +0200 |
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committer | Boris Kolpackov <boris@codesynthesis.com> | 2016-08-02 13:56:20 +0200 |
commit | e59571ffcdcd942874f3fa8199c880b114d874f9 (patch) | |
tree | eb39ea19f5872e4de08ce514d6e53d588f608d2d /bpkg/checksum.cxx | |
parent | b94b5381f68061121c22f2786ba1fa774f1ee6f6 (diff) |
Check for eof before streaming rdbuf
Diffstat (limited to 'bpkg/checksum.cxx')
-rw-r--r-- | bpkg/checksum.cxx | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/bpkg/checksum.cxx b/bpkg/checksum.cxx index 023e641..3f52204 100644 --- a/bpkg/checksum.cxx +++ b/bpkg/checksum.cxx @@ -330,7 +330,12 @@ namespace bpkg ifdstream is (pr.in_ofd, fdstream_mode::skip); ofdstream os (pr.out_fd); - os << &sb; + // Note that the eof check is important: if the stream is at eof, write + // will fail. + // + if (sb.sgetc () != ifdstream::traits_type::eof ()) + os << &sb; + os.close (); // All three tools output the sum as the first word. |