45 lines
1.3 KiB
Plaintext
45 lines
1.3 KiB
Plaintext
@node fwrite
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@subsection @code{fwrite}
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@findex fwrite
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POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9799919799/functions/fwrite.html}
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Gnulib module: stdio, nonblocking, sigpipe
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@mindex stdio
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@mindex nonblocking
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@mindex sigpipe
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Portability problems fixed by Gnulib module @code{stdio}, together with module @code{nonblocking}:
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@itemize
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@item
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When writing to a non-blocking pipe whose buffer is full, this function fails
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with @code{errno} being set to @code{ENOSPC} instead of @code{EAGAIN} on some
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platforms:
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mingw, MSVC 14.
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@end itemize
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Portability problems fixed by Gnulib module @code{stdio}, together with module @code{sigpipe}:
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@itemize
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@item
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When writing to a pipe with no readers, this function fails, instead of
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obeying the current @code{SIGPIPE} handler, on some platforms:
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mingw, MSVC 14.
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@end itemize
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Portability problems not fixed by Gnulib:
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@itemize
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@item
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On Windows platforms (excluding Cygwin), this function does not set @code{errno}
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upon failure.
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@item
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On some platforms, this function does not set @code{errno} or the
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stream error indicator on attempts to write to a read-only stream:
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Cygwin 1.7.9.
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@item
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This function crashes if the stream's file descriptor has already been
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closed, if @code{MSVC_INVALID_PARAMETER_HANDLING} is
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@code{HAIRY_LIBRARY_HANDLING} or @code{SANE_LIBRARY_HANDLING},
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on some platforms:
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MSVC 14.
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@end itemize
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