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Diffstat (limited to 'gnulib/doc/posix-functions/stderr.texi')
| m--------- | gnulib | 0 | ||||
| -rw-r--r-- | gnulib/doc/posix-functions/stderr.texi | 27 |
2 files changed, 27 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/doc/posix-functions/stderr.texi b/gnulib/doc/posix-functions/stderr.texi new file mode 100644 index 0000000..10a4e54 --- /dev/null +++ b/gnulib/doc/posix-functions/stderr.texi @@ -0,0 +1,27 @@ +@node stderr +@section @code{stderr} +@findex stderr + +POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/stderr.html} + +Gnulib module: --- + +Portability problems fixed by Gnulib: +@itemize +@end itemize + +Portability problems not fixed by Gnulib: +@itemize +@item +stderr is created in 32-bit mode instead of 64-bit mode: Cygwin 1.5.x. +One workaround is to use freopen(NULL, ``r+'', stderr) on Cygwin 1.5.21 +or newer. Another is to use the gnulib ftello module and do +ftello(stderr). +@item +POSIX states that a setuid application can guarantee that fd 2 is +open, but some systems guarantee this even for non-setuid programs. +If an application is executed with fd 2 closed, use of @code{stderr} +can affect an unrelated file that happened to be assigned to fd 2. +The gnulib *-safer modules may be used to guarantee that fd 2 stays +reserved for @code{stderr}. +@end itemize |