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0d12d16ab3
This adds ISO/IEC TS 18661-1:2014 support to limits.h. * MODULES.html.sh: Add limits-h,and move size_max to stdint section. * doc/posix-headers/limits.texi: Document new module. * lib/limits.in.h, m4/limits-h.m4, modules/limits-h: * modules/limit-h-tests, tests/test-limits-h.c: New files.
40 lines
1.3 KiB
Plaintext
40 lines
1.3 KiB
Plaintext
@node limits.h
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@section @file{limits.h}
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POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/basedefs/limits.h.html}
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Gnulib module: gethostname
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Portability problems fixed by Gnulib:
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@itemize
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@item
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The @code{HOST_NAME_MAX} macro is not defined on some platforms:
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Mac OS X 10.5, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, AIX 5.1, HP-UX 11,
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IRIX 6.5, OSF/1 5.1, Solaris 11 2011-11, Cygwin 1.5.x, mingw, MSVC 9, Interix 3.5, BeOS.
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@item
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Macros like @code{CHAR_WIDTH} are not defined on some platforms:
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glibc 2.24, many others.
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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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The macros @code{LLONG_MIN}, @code{LLONG_MAX}, @code{ULLONG_MAX} are not
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defined on some platforms:
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AIX 5.1, HP-UX 11, IRIX 6.5, OpenVMS, OSF/1 5.1 with gcc.
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@item
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The macros @code{WORD_BIT}, @code{LONG_BIT} are not defined on some platforms:
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glibc 2.11 without @code{-D_GNU_SOURCE}, Cygwin, mingw, MSVC 9.
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@item
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The macro @code{SSIZE_MAX} has the wrong type,
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albeit with the correct value:
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32-bit glibc 2.24 (on some architectures), Cygwin 2.5.2.
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@item
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The macro @code{SSIZE_MAX} is not defined on some platforms:
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MSVC 9.
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@end itemize
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For @code{PATH_MAX}, Gnulib provides a module @code{pathmax} with a header
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file @code{"pathmax.h"}. It defines @code{PATH_MAX} to a constant on
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platforms with a file name length limit.
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