[src/trunk]: src/lib/libc Add strerror_ss_r to be used by syslog_ss

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

details:   https://anonhg.NetBSD.org/src/rev/1d12e2d50b0b
branches:  trunk
changeset: 350451:1d12e2d50b0b
user:      christos <christos%NetBSD.org@localhost>
date:      Thu Jan 12 00:35:38 2017 +0000

description:
Add strerror_ss_r to be used by syslog_ss

diffstat:

 lib/libc/include/extern.h     |   4 +-
 lib/libc/include/namespace.h  |   3 +-
 lib/libc/string/Makefile.inc  |   4 +-
 lib/libc/string/strerror_ss.c |  65 +++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 72 insertions(+), 4 deletions(-)

diffs (121 lines):

diff -r bde1c65459db -r 1d12e2d50b0b lib/libc/include/extern.h
--- a/lib/libc/include/extern.h Wed Jan 11 22:09:38 2017 +0000
+++ b/lib/libc/include/extern.h Thu Jan 12 00:35:38 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: extern.h,v 1.23 2013/08/19 13:03:12 joerg Exp $        */
+/*     $NetBSD: extern.h,v 1.24 2017/01/12 00:35:38 christos Exp $     */
 
 /*
  * Copyright (c) 1997 Christos Zoulas.  All rights reserved.
@@ -72,4 +72,6 @@
 
 int    _sys_setcontext(const ucontext_t *);
 
+int    strerror_r_ss(int, char *, size_t);
+
 __END_DECLS
diff -r bde1c65459db -r 1d12e2d50b0b lib/libc/include/namespace.h
--- a/lib/libc/include/namespace.h      Wed Jan 11 22:09:38 2017 +0000
+++ b/lib/libc/include/namespace.h      Thu Jan 12 00:35:38 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: namespace.h,v 1.182 2016/09/24 21:31:25 christos Exp $ */
+/*     $NetBSD: namespace.h,v 1.183 2017/01/12 00:35:38 christos Exp $ */
 
 /*-
  * Copyright (c) 1997-2004 The NetBSD Foundation, Inc.
@@ -60,6 +60,7 @@
 #define sbrk           _sbrk
 #define strerror_l     _strerror_l
 #define strerror_r     _strerror_r
+#define strerror_r_ss  _strerror_r_ss
 #define strlcat                _strlcat
 #define strlcpy                _strlcpy
 #define strtod_l       _strtod_l
diff -r bde1c65459db -r 1d12e2d50b0b lib/libc/string/Makefile.inc
--- a/lib/libc/string/Makefile.inc      Wed Jan 11 22:09:38 2017 +0000
+++ b/lib/libc/string/Makefile.inc      Thu Jan 12 00:35:38 2017 +0000
@@ -1,5 +1,5 @@
 #      from: @(#)Makefile.inc  8.1 (Berkeley) 6/4/93
-#      $NetBSD: Makefile.inc,v 1.82 2016/10/15 14:22:00 kamil Exp $
+#      $NetBSD: Makefile.inc,v 1.83 2017/01/12 00:35:38 christos Exp $
 
 # string sources
 .PATH: ${ARCHDIR}/string ${.CURDIR}/string
@@ -10,7 +10,7 @@
 
 SRCS+= bm.c stpcpy.c stpncpy.c \
        strcasecmp.c strncasecmp.c strcasestr.c strcoll.c strdup.c \
-       strerror.c strlcat.c strlcpy.c strnlen.c \
+       strerror.c strerror_ss.c strlcat.c strlcpy.c strnlen.c \
        strmode.c strsignal.c strtok.c \
        strtok_r.c strxfrm.c __strsignal.c strerror_r.c strndup.c \
        stresep.c memrchr.c
diff -r bde1c65459db -r 1d12e2d50b0b lib/libc/string/strerror_ss.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/libc/string/strerror_ss.c     Thu Jan 12 00:35:38 2017 +0000
@@ -0,0 +1,65 @@
+/*     $NetBSD: strerror_ss.c,v 1.1 2017/01/12 00:35:38 christos Exp $ */
+
+/*-
+ * Copyright (c) 2017 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Christos Zoulas.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <sys/cdefs.h>
+__RCSID("$NetBSD: strerror_ss.c,v 1.1 2017/01/12 00:35:38 christos Exp $");
+
+#include "namespace.h"
+
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "extern.h"
+
+#ifdef __weak_alias
+__weak_alias(strerror_r_ss,_strerror_r_ss)
+#endif
+
+int
+strerror_r_ss(int num, char *buf, size_t len)
+{
+       if (num >= 0 || num < sys_nerr)
+               strlcpy(buf, sys_errlist[num], len);
+       else
+               snprintf_ss(buf, len, "Unknown error %d", num);
+       return 0;
+}
+
+#ifdef notyet
+__aconst char *
+strerror_ss(int num)
+{
+       static char buf[64];
+
+       strerror_r_ss(num, buf, sizeof(buf));
+       return buf;
+}
+#endif