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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.
author Bruno Haible <bruno@clisp.org>
date Sun, 22 Apr 2012 16:43:29 +0200
parents 78fe2a20b15c
children
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@node log10
@section @code{log10}
@findex log10

POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/log10.html}

Gnulib module: log10 or log10-ieee

Portability problems fixed by either Gnulib module @code{log10} or @code{log10-ieee}:
@itemize
@item
This function returns a wrong value for a minus zero argument on some platforms:
OSF/1 5.1.
@end itemize

Portability problems fixed by Gnulib module @code{log10-ieee}:
@itemize
@item
This function returns a wrong value for a negative argument on some platforms:
NetBSD 5.1, Solaris 11 2011-11.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@end itemize