[src/trunk]: src/include Limit wcslcat, wcslcpy visibility to _NETBSD_SOURCE

[maya <maya%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/b89d32de8e88
branches:  trunk
changeset: 995572:b89d32de8e88
user:      maya <maya%NetBSD.org@localhost>
date:      Fri Dec 28 13:11:46 2018 +0000

description:
Limit wcslcat, wcslcpy visibility to _NETBSD_SOURCE
wcswidth, wcwidth to POSIX.1-2001 or _NETBSD_SOURCE

Updated patch from kretschm in PR standards/39422

diffstat:

 include/wchar.h |  12 +++++++++---
 1 files changed, 9 insertions(+), 3 deletions(-)

diffs (30 lines):

diff -r a87e51b894ca -r b89d32de8e88 include/wchar.h
--- a/include/wchar.h   Fri Dec 28 12:44:15 2018 +0000
+++ b/include/wchar.h   Fri Dec 28 13:11:46 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: wchar.h,v 1.42 2016/10/15 14:22:00 kamil Exp $ */
+/*     $NetBSD: wchar.h,v 1.43 2018/12/28 13:11:46 maya Exp $  */
 
 /*-
  * Copyright (c)1999 Citrus Project,
@@ -133,12 +133,18 @@
 wchar_t        *wmemmove(wchar_t *, const wchar_t *, size_t);
 wchar_t        *wmemset(wchar_t *, wchar_t, size_t);
 
+#if defined(_NETBSD_SOURCE)
 size_t wcslcat(wchar_t *, const wchar_t *, size_t);
 size_t wcslcpy(wchar_t *, const wchar_t *, size_t);
+#endif
+
+#if defined(_NETBSD_SOURCE) || \
+    (_POSIX_C_SOURCE - 0 >= 200112L) || (_XOPEN_SOURCE - 0) >= 600
 int    wcswidth(const wchar_t *, size_t);
+int    wcwidth(wchar_t);
+#endif
+
 int    wctob(wint_t);
-int    wcwidth(wchar_t);
-
 unsigned long int wcstoul(const wchar_t * __restrict,
        wchar_t ** __restrict, int);
 long int wcstol(const wchar_t * __restrict,