1 files changed, 92 insertions, 0 deletions
diff --git a/libexec/rtld-elf/xmalloc.c b/libexec/rtld-elf/xmalloc.c
new file mode 100644
index 000000000000..5f7c1b5ba10a
--- /dev/null
+++ b/libexec/rtld-elf/xmalloc.c
@@ -0,0 +1,92 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright 1996-1998 John D. Polstra.
+ * 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 ``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 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/param.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "rtld.h"
+#include "rtld_printf.h"
+#include "rtld_malloc.h"
+#include "rtld_libc.h"
+
+void *
+xcalloc(size_t number, size_t size)
+{
+	void *p;
+
+	p = __crt_calloc(number, size);
+	if (p == NULL) {
+		rtld_fdputstr(STDERR_FILENO, "Out of memory\n");
+		_exit(1);
+	}
+	return (p);
+}
+
+void *
+xmalloc(size_t size)
+{
+
+	void *p;
+
+	p = __crt_malloc(size);
+	if (p == NULL) {
+		rtld_fdputstr(STDERR_FILENO, "Out of memory\n");
+		_exit(1);
+	}
+	return (p);
+}
+
+char *
+xstrdup(const char *str)
+{
+	char *copy;
+	size_t len;
+
+	len = strlen(str) + 1;
+	copy = xmalloc(len);
+	memcpy(copy, str, len);
+	return (copy);
+}
+
+void *
+xmalloc_aligned(size_t size, size_t align, size_t offset)
+{
+	void *res;
+
+	offset &= align - 1;
+	if (align < sizeof(void *))
+		align = sizeof(void *);
+
+	res = __crt_aligned_alloc_offset(align, size, offset);
+	if (res == NULL) {
+		rtld_fdputstr(STDERR_FILENO, "Out of memory\n");
+		_exit(1);
+	}
+	return (res);
+}