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

Description:
fd_safer_flag() function: adjust a file descriptor result so that it avoids
clobbering STD{IN,OUT,ERR}_FILENO, with specific flags.

Files:
lib/fd-safer-flag.c
lib/dup-safer-flag.c

Depends-on:
cloexec
fcntl
unistd-safer

configure.ac:
gl_MODULE_INDICATOR([fd-safer-flag])

Makefile.am:
lib_SOURCES += fd-safer-flag.c dup-safer-flag.c

Include:
"unistd-safer.h"

License:
GPL

Maintainer:
Eric Blake