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Index: lib/libnetbsd/Makefile
===================================================================
--- lib/libnetbsd/Makefile
+++ lib/libnetbsd/Makefile
@@ -7,7 +7,7 @@
CFLAGS+= -I${.CURDIR}
-SRCS+= sockaddr_snprintf.c strsuftoll.c util.c util.h
+SRCS+= efun.c sockaddr_snprintf.c strsuftoll.c util.c util.h
INTERNALLIB=
Index: lib/libnetbsd/efun.c
===================================================================
--- /dev/null
+++ lib/libnetbsd/efun.c
@@ -0,0 +1,159 @@
+/* $NetBSD: efun.c,v 1.10 2015/07/26 02:20:30 kamil Exp $ */
+
+/*-
+ * Copyright (c) 2006 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.
+ */
+
+#if HAVE_NBTOOL_CONFIG_H
+#include "nbtool_config.h"
+#endif
+
+#include <sys/cdefs.h>
+#ifdef __RCSID
+__RCSID("$NetBSD: efun.c,v 1.10 2015/07/26 02:20:30 kamil Exp $");
+#endif
+
+#include <err.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <util.h>
+
+static void (*efunc)(int, const char *, ...) = err;
+
+void (*
+esetfunc(void (*ef)(int, const char *, ...)))(int, const char *, ...)
+{
+ void (*of)(int, const char *, ...) = efunc;
+ efunc = ef == NULL ? (void (*)(int, const char *, ...))exit : ef;
+ return of;
+}
+
+size_t
+estrlcpy(char *dst, const char *src, size_t len)
+{
+ size_t rv;
+ if ((rv = strlcpy(dst, src, len)) >= len) {
+ errno = ENAMETOOLONG;
+ (*efunc)(1,
+ "Cannot copy string; %zu chars needed %zu provided",
+ rv, len);
+ }
+ return rv;
+}
+
+size_t
+estrlcat(char *dst, const char *src, size_t len)
+{
+ size_t rv;
+ if ((rv = strlcat(dst, src, len)) >= len) {
+ errno = ENAMETOOLONG;
+ (*efunc)(1,
+ "Cannot append to string; %zu chars needed %zu provided",
+ rv, len);
+ }
+ return rv;
+}
+
+char *
+estrdup(const char *s)
+{
+ char *d = strdup(s);
+ if (d == NULL)
+ (*efunc)(1, "Cannot copy string");
+ return d;
+}
+
+char *
+estrndup(const char *s, size_t len)
+{
+ char *d = strndup(s, len);
+ if (d == NULL)
+ (*efunc)(1, "Cannot copy string");
+ return d;
+}
+
+void *
+emalloc(size_t n)
+{
+ void *p = malloc(n);
+ if (p == NULL && n != 0)
+ (*efunc)(1, "Cannot allocate %zu bytes", n);
+ return p;
+}
+
+void *
+ecalloc(size_t n, size_t s)
+{
+ void *p = calloc(n, s);
+ if (p == NULL && n != 0 && s != 0)
+ (*efunc)(1, "Cannot allocate %zu blocks of size %zu", n, s);
+ return p;
+}
+
+void *
+erealloc(void *p, size_t n)
+{
+ void *q = realloc(p, n);
+ if (q == NULL && n != 0)
+ (*efunc)(1, "Cannot re-allocate %zu bytes", n);
+ return q;
+}
+
+FILE *
+efopen(const char *p, const char *m)
+{
+ FILE *fp = fopen(p, m);
+ if (fp == NULL)
+ (*efunc)(1, "Cannot open `%s'", p);
+ return fp;
+}
+
+int
+easprintf(char ** __restrict ret, const char * __restrict format, ...)
+{
+ int rv;
+ va_list ap;
+ va_start(ap, format);
+ if ((rv = vasprintf(ret, format, ap)) == -1)
+ (*efunc)(1, "Cannot format string");
+ va_end(ap);
+ return rv;
+}
+
+int
+evasprintf(char ** __restrict ret, const char * __restrict format, va_list ap)
+{
+ int rv;
+ if ((rv = vasprintf(ret, format, ap)) == -1)
+ (*efunc)(1, "Cannot format string");
+ return rv;
+}
Index: lib/libnetbsd/util.h
===================================================================
--- lib/libnetbsd/util.h
+++ lib/libnetbsd/util.h
@@ -36,6 +36,25 @@
#include <sys/types.h>
#include <libutil.h>
+void (*esetfunc(void (*)(int, const char *, ...)))(int, const char *, ...);
+size_t estrlcpy(char *, const char *, size_t);
+size_t estrlcat(char *, const char *, size_t);
+char *estrdup(const char *);
+char *estrndup(const char *, size_t);
+intmax_t estrtoi(const char *, int, intmax_t, intmax_t);
+uintmax_t estrtou(const char *, int, uintmax_t, uintmax_t);
+void *ecalloc(size_t, size_t);
+void *emalloc(size_t);
+void *erealloc(void *, size_t);
+void ereallocarr(void *, size_t, size_t);
+struct __sFILE *efopen(const char *, const char *);
+int easprintf(char ** __restrict, const char * __restrict, ...)
+ __printflike(2, 3);
+int evasprintf(char ** __restrict, const char * __restrict, __va_list)
+ __printflike(2, 0);
+
+
+
char *flags_to_string(u_long flags, const char *def);
int sockaddr_snprintf(char *, size_t, const char *,
const struct sockaddr *);

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