kc3-lang/gnulib/doc/posix-functions/fputc.texi

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  Date : 2019-09-22T23:23:20
  

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• doc/posix-functions/fputc.texi

• @node fputc
  @section @code{fputc}
  @findex fputc
  
  POSIX specification:@* @url{https://pubs.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
  

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