1 files changed, 91 insertions, 0 deletions
diff --git a/usr.bin/sort/mem.c b/usr.bin/sort/mem.c
new file mode 100644
index 000000000000..ce5ad3b901f4
--- /dev/null
+++ b/usr.bin/sort/mem.c
@@ -0,0 +1,91 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (C) 2009 Gabor Kovesdan <gabor@FreeBSD.org>
+ * Copyright (C) 2012 Oleg Moskalenko <mom040267@gmail.com>
+ * All rights reserved.
+ *
+ * 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 AUTHOR 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 AUTHOR 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>
+#include <err.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "mem.h"
+
+void*
+sort_calloc(size_t nb, size_t size)
+{
+	void *ptr;
+
+	if ((ptr = calloc(nb, size)) == NULL)
+		err(2, NULL);
+	return (ptr);
+}
+
+/*
+ * malloc() wrapper.
+ */
+void *
+sort_malloc(size_t size)
+{
+	void *ptr;
+
+	if ((ptr = malloc(size)) == NULL)
+		err(2, NULL);
+	return (ptr);
+}
+
+/*
+ * free() wrapper.
+ */
+void
+sort_free(const void *ptr)
+{
+
+	if (ptr)
+		free(__DECONST(void *, ptr));
+}
+
+/*
+ * realloc() wrapper.
+ */
+void *
+sort_realloc(void *ptr, size_t size)
+{
+
+	if ((ptr = realloc(ptr, size)) == NULL)
+		err(2, NULL);
+	return (ptr);
+}
+
+char *
+sort_strdup(const char *str)
+{
+	char *dup;
+
+	if ((dup = strdup(str)) == NULL)
+		err(2, NULL);
+	return (dup);
+}