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
This commit is contained in:
Paolo Carlini 2003-12-10 20:05:00 +00:00 committed by Paolo Carlini
parent 35d6801ebe
commit 3090572ce2
2 changed files with 13 additions and 2 deletions

View File

@ -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.

View File

@ -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;
}