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| author | Paolo Carlini <pcarlini@suse.de> | 2003-12-10 20:05:00 +0000 |
|---|---|---|
| committer | Paolo Carlini <paolo@gcc.gnu.org> | 2003-12-10 20:05:00 +0000 |
| commit | 3090572ce2806c17059af0924390a7532467c2ef (patch) | |
| tree | 8005bb5caef94bc1b2e5f178ff8f8917dd7473dd | |
| parent | 35d6801ebe76223839d318e66696d28fe903c739 (diff) | |
| download | gcc-3090572ce2806c17059af0924390a7532467c2ef.zip gcc-3090572ce2806c17059af0924390a7532467c2ef.tar.gz gcc-3090572ce2806c17059af0924390a7532467c2ef.tar.bz2 | |
re PR libstdc++/13217 (basic_filebuf::underflow doesn't deal gracefully with read errors)
2003-12-10 Paolo Carlini <pcarlini@suse.de>
PR libstdc++/13217
* include/bits/fstream.tcc (underflow): Deal gracefully with
read errors: throw ios_base::failure.
From-SVN: r74506
| -rw-r--r-- | libstdc++-v3/ChangeLog | 8 | ||||
| -rw-r--r-- | libstdc++-v3/include/bits/fstream.tcc | 7 |
2 files changed, 13 insertions, 2 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 39dfb08..4af6d4e 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,9 @@ +2003-12-10 Paolo Carlini <pcarlini@suse.de> + + PR libstdc++/13217 + * include/bits/fstream.tcc (underflow): Deal gracefully with + read errors: throw ios_base::failure. + 2003-12-10 Benjamin Kosnik <bkoz@redhat.com> PR libstdc++/10063 @@ -358,7 +364,7 @@ PR libstdc++/11544 PR libstdc++/11603 - * include/bits/fstream.tcc (underflow): Throw ios_base:failure + * include/bits/fstream.tcc (underflow): Throw ios_base::failure upon incomplete or invalid byte sequences in the file. * testsuite/27_io/basic_filebuf/underflow/wchar_t/11544-1.cc: New. * testsuite/27_io/basic_filebuf/underflow/wchar_t/11544-2.cc: New. diff --git a/libstdc++-v3/include/bits/fstream.tcc b/libstdc++-v3/include/bits/fstream.tcc index 595d8bde..998e0c3 100644 --- a/libstdc++-v3/include/bits/fstream.tcc +++ b/libstdc++-v3/include/bits/fstream.tcc @@ -258,6 +258,8 @@ namespace std streamsize __elen = _M_file.xsgetn(_M_ext_end, __rlen); if (__elen == 0) __got_eof = true; + else if (__elen == -1) + break; _M_ext_end += __elen; } @@ -306,9 +308,12 @@ namespace std __throw_ios_failure("basic_filebuf::underflow " "incomplete character in file"); } - else + else if (__r == codecvt_base::error) __throw_ios_failure("basic_filebuf::underflow " "invalid byte sequence in file"); + else + __throw_ios_failure("basic_filebuf::underflow " + "error reading the file"); } return __ret; } |