New module 'wcsdup'. * modules/wcsdup: New file. * lib/wchar.in.h (wcsdup): New declaration. * lib/wcsdup.c: New file. * lib/wcsdup-impl.h: New file, from libutf8 with modifications. * m4/wcsdup.m4: New file. * m4/wchar_h.m4 (gl_WCHAR_H): Test whether wcsdup is declared. (gl_WCHAR_H_DEFAULTS): Initialize GNULIB_WCSDUP, HAVE_WCSDUP. * modules/wchar (Makefile.am): Substitute GNULIB_WCSDUP, HAVE_WCSDUP. * tests/test-wchar-c++.cc: Test the declaration of wcsdup. * doc/posix-functions/wcsdup.texi: Mention the new module.

Description:
printf_frexp() function: split a double into fraction and mantissa, for
hexadecimal printf, without requiring libm.

Files:
lib/printf-frexp.h
lib/printf-frexp.c
m4/printf-frexp.m4
m4/frexp.m4

Depends-on:

configure.ac:
gl_FUNC_PRINTF_FREXP

Makefile.am:
lib_SOURCES += printf-frexp.c

Include:
"printf-frexp.h"

License:
LGPL

Maintainer:
Bruno Haible