+2012-04-22 Bruno Haible <bruno@clisp.org>
+
+ doc: Mention reason for replacement on glibc/Linux systems.
+ * doc/posix-functions/dprintf.texi: Mention the problem with special
+ 'long double' values.
+ * doc/posix-functions/fprintf.texi: Likewise.
+ * doc/posix-functions/printf.texi: Likewise.
+ * doc/posix-functions/snprintf.texi: Likewise.
+ * doc/posix-functions/sprintf.texi: Likewise.
+ * doc/posix-functions/vdprintf.texi: Likewise.
+ * doc/posix-functions/vfprintf.texi: Likewise.
+ * doc/posix-functions/vprintf.texi: Likewise.
+ * doc/posix-functions/vsnprintf.texi: Likewise.
+ * doc/posix-functions/vsprintf.texi: Likewise.
+ * doc/posix-functions/fcntl.texi: Add glibc/Linux to the list of
+ platforms with F_DUPFD_CLOEXEC problems.
+ * doc/posix-functions/glob.texi: Mention which platforms are affected
+ by the problem with symbolic links.
+ * doc/posix-functions/linkat.texi: Mention the problem with
+ AT_SYMLINK_FOLLOW on Linux.
+
2012-04-22 Bruno Haible <bruno@clisp.org>
pwrite: Don't replace on all platforms.
Portability problems fixed by Gnulib module @code{dprintf-posix}:
@itemize
@item
+printf of @samp{long double} numbers outside the IEEE 754 range produces
+no meaningful results on some platforms:
+glibc and others, on x86, x86_64, IA-64 CPUs.
+@item
This function does not support the @samp{a} and @samp{A} directives on some
platforms:
glibc-2.3.6.
@item
This function does not support @code{F_DUPFD_CLOEXEC} on some
platforms:
+glibc with Linux kernels before 2.6.24,
MacOS X 10.5, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, AIX 5.1, HP-UX 11,
IRIX 6.5, OSF/1 5.1, Solaris 11 2010-11, Cygwin 1.7.1, Interix 3.5,
BeOS.
incorrect result on some platforms:
AIX 5.2, OSF/1 5.1, Solaris 11 2011-11, mingw, MSVC 9.
@item
+printf of @samp{long double} numbers outside the IEEE 754 range produces
+no meaningful results on some platforms:
+glibc and others, on x86, x86_64, IA-64 CPUs.
+@item
This function does not support the @samp{a} and @samp{A} directives on some
platforms:
glibc-2.3.6, MacOS X 10.5, NetBSD 5.0, OpenBSD 4.0, AIX 5.2, HP-UX 11,
This function is missing on some platforms:
IRIX 5.3, mingw, MSVC 9, BeOS.
@item
-This function may list symbolic links to nonexistent files among the results,
-on some platforms.
+This function does not list symbolic links to nonexistent files among the results,
+on some platforms:
+glibc 2.14, AIX 7.1, HP-UX 11, Solaris 11 2011-11.
@item
On platforms where @code{off_t} is a 32-bit type, this function may not
work correctly on huge directories larger than 2 GB.
This function fails to reject trailing slashes on non-directories on
some platforms:
AIX 7.1, Solaris 11 2011-11.
+@item
+This functions does not support @code{AT_SYMLINK_FOLLOW} on some platforms:
+Linux kernel 2.6.17.
@end itemize
Portability problems not fixed by Gnulib:
incorrect result on some platforms:
AIX 5.2, OSF/1 5.1, Solaris 11 2011-11, mingw, MSVC 9.
@item
+printf of @samp{long double} numbers outside the IEEE 754 range produces
+no meaningful results on some platforms:
+glibc and others, on x86, x86_64, IA-64 CPUs.
+@item
This function does not support the @samp{a} and @samp{A} directives on some
platforms:
glibc-2.3.6, MacOS X 10.5, NetBSD 5.0, OpenBSD 4.0, AIX 5.2, HP-UX 11,
incorrect result on some platforms:
AIX 5.2, OSF/1 5.1, Solaris 11 2011-11, mingw, MSVC 9.
@item
+printf of @samp{long double} numbers outside the IEEE 754 range produces
+no meaningful results on some platforms:
+glibc and others, on x86, x86_64, IA-64 CPUs.
+@item
This function does not support the @samp{a} and @samp{A} directives on some
platforms:
glibc-2.3.6, MacOS X 10.5, NetBSD 5.0, OpenBSD 4.0, AIX 5.2, HP-UX 11,
incorrect result on some platforms:
AIX 5.2, OSF/1 5.1, Solaris 11 2011-11, mingw, MSVC 9.
@item
+printf of @samp{long double} numbers outside the IEEE 754 range produces
+no meaningful results on some platforms:
+glibc and others, on x86, x86_64, IA-64 CPUs.
+@item
This function does not support the @samp{a} and @samp{A} directives on some
platforms:
glibc-2.3.6, MacOS X 10.5, NetBSD 5.0, OpenBSD 4.0, AIX 5.2, HP-UX 11,
printf of @samp{long double} numbers is unsupported on some platforms:
BeOS.
@item
+printf of @samp{long double} numbers outside the IEEE 754 range produces
+no meaningful results on some platforms:
+glibc and others, on x86, x86_64, IA-64 CPUs.
+@item
This function does not support the @samp{a} and @samp{A} directives on some
platforms:
glibc-2.3.6, BeOS.
incorrect result on some platforms:
AIX 5.2, OSF/1 5.1, Solaris 11 2011-11, mingw, MSVC 9.
@item
+printf of @samp{long double} numbers outside the IEEE 754 range produces
+no meaningful results on some platforms:
+glibc and others, on x86, x86_64, IA-64 CPUs.
+@item
This function does not support the @samp{a} and @samp{A} directives on some
platforms:
glibc-2.3.6, MacOS X 10.5, NetBSD 5.0, OpenBSD 4.0, AIX 5.2, HP-UX 11,
incorrect result on some platforms:
AIX 5.2, OSF/1 5.1, Solaris 11 2011-11, mingw, MSVC 9.
@item
+printf of @samp{long double} numbers outside the IEEE 754 range produces
+no meaningful results on some platforms:
+glibc and others, on x86, x86_64, IA-64 CPUs.
+@item
This function does not support the @samp{a} and @samp{A} directives on some
platforms:
glibc-2.3.6, MacOS X 10.5, NetBSD 5.0, OpenBSD 4.0, AIX 5.2, HP-UX 11,
incorrect result on some platforms:
AIX 5.2, OSF/1 5.1, Solaris 11 2011-11, mingw, MSVC 9.
@item
+printf of @samp{long double} numbers outside the IEEE 754 range produces
+no meaningful results on some platforms:
+glibc and others, on x86, x86_64, IA-64 CPUs.
+@item
This function does not support the @samp{a} and @samp{A} directives on some
platforms:
glibc-2.3.6, MacOS X 10.5, NetBSD 5.0, OpenBSD 4.0, AIX 5.2, HP-UX 11,
incorrect result on some platforms:
AIX 5.2, OSF/1 5.1, Solaris 11 2011-11, mingw, MSVC 9.
@item
+printf of @samp{long double} numbers outside the IEEE 754 range produces
+no meaningful results on some platforms:
+glibc and others, on x86, x86_64, IA-64 CPUs.
+@item
This function does not support the @samp{a} and @samp{A} directives on some
platforms:
glibc-2.3.6, MacOS X 10.5, NetBSD 5.0, OpenBSD 4.0, AIX 5.2, HP-UX 11,