New module 'logbf'. * lib/math.in.h (logbf): New declaration. * lib/logbf.c: New file. * m4/logbf.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether logbf is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_LOGBF, HAVE_LOGBF, REPLACE_LOGBF. * modules/math (Makefile.am): Substitute GNULIB_LOGBF, HAVE_LOGBF, REPLACE_LOGBF. * modules/logbf: New file. * tests/test-math-c++.cc: Check the declaration of logbf. * doc/posix-functions/logbf.texi: Mention the new module.

Description:
Read symbolic links into a buffer without size limitation, relative to fd.

Files:
lib/careadlinkat.c
lib/careadlinkat.h

Depends-on:
allocator
readlink
ssize_t
unistd

configure.ac:
AC_CHECK_FUNCS_ONCE([readlinkat])

Makefile.am:
lib_SOURCES += careadlinkat.c

Include:
"careadlinkat.h"

License:
LGPLv2+

Maintainer:
Paul Eggert, Bruno Haible, Jim Meyering