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Bruno Haible
8fb59b8fac
* doc/posix-headers/*.texi: Add info about MSVC 14. * doc/posix-functions/*.texi: Likewise. * doc/pastposix-functions/*.texi: Likewise. * doc/glibc-headers/*.texi: Likewise. * doc/glibc-functions/*.texi: Likewise.
39 lines
1.2 KiB
Plaintext
39 lines
1.2 KiB
Plaintext
@node perror
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@section @code{perror}
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@findex perror
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POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/perror.html}
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Gnulib module: perror
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Portability problems fixed by Gnulib:
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@itemize
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@item
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This function does not support the error values that are specified by POSIX
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but not defined by the system, on some platforms:
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OpenBSD 4.0, OSF/1 5.1, Cygwin 1.5.x, mingw, MSVC 14.
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@item
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This function treats @code{errno} of 0 like failure, although POSIX
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requires that the message declare it as a success, on some platforms:
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FreeBSD 8.2, OpenBSD 4.7, Mac OS X 10.5.
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@item
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This function clobbers the @code{strerror} buffer on some platforms:
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Cygwin 1.7.9.
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@item
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This function fails to print a useful a string for out-of-range integers on
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some platforms:
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HP-UX 11, IRIX 6.5, Solaris 8.
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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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POSIX requires that this function set the stream error bit (detected
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by @code{ferror}) on write failure, but not all platforms do this:
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glibc 2.13, cygwin 1.7.9.
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@item
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POSIX requires that this function not alter stream orientation, but
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the gnulib replacement locks in byte orientation and fails on wide
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character streams.
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@end itemize
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