Mercurial > gnulib
view doc/posix-functions/fputc.texi @ 40139:3bacbf659cc9
ttyname_r: Work around bug on Android 4.3.
* m4/ttyname_r.m4 (gl_FUNC_TTYNAME_R): Test whether ttyname_r is a stub.
* lib/ttyname_r.c (ttyname_r): Implement for Android.
* doc/posix-functions/ttyname_r.texi: Mention the Android bug.
* doc/posix-functions/ttyname.texi: Likewise.
author | Bruno Haible <bruno@clisp.org> |
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date | Sat, 26 Jan 2019 11:56:31 +0100 |
parents | b8576602c861 |
children |
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@node fputc @section @code{fputc} @findex fputc POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/fputc.html} Gnulib module: stdio, nonblocking, sigpipe Portability problems fixed by Gnulib module @code{stdio}, together with module @code{nonblocking}: @itemize @item When writing to a non-blocking pipe whose buffer is full, this function fails with @code{errno} being set to @code{ENOSPC} instead of @code{EAGAIN} on some platforms: mingw, MSVC 14. @end itemize Portability problems fixed by Gnulib module @code{stdio}, together with module @code{sigpipe}: @itemize @item When writing to a pipe with no readers, this function fails, instead of obeying the current @code{SIGPIPE} handler, on some platforms: mingw, MSVC 14. @end itemize Portability problems not fixed by Gnulib: @itemize @item On Windows platforms (excluding Cygwin), this function does not set @code{errno} upon failure. @item On some platforms, this function does not set @code{errno} or the stream error indicator on attempts to write to a read-only stream: Cygwin 1.7.9. @item This function crashes if the stream's file descriptor has already been closed, if @code{MSVC_INVALID_PARAMETER_HANDLING} is @code{HAIRY_LIBRARY_HANDLING} or @code{SANE_LIBRARY_HANDLING}, on some platforms: MSVC 14. @end itemize