early-access version 1255

externals/libressl/crypto/malloc-wrapper.c

@@ -0,0 +1,189 @@
+/* $OpenBSD: malloc-wrapper.c,v 1.7 2018/05/13 13:49:04 jsing Exp $ */
+/*
+ * Copyright (c) 2014 Bob Beck
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int
+CRYPTO_set_mem_functions(void *(*m)(size_t), void *(*r)(void *, size_t),
+    void (*f)(void *))
+{
+	return 0;
+}
+
+int
+CRYPTO_set_mem_ex_functions(void *(*m)(size_t, const char *, int),
+    void *(*r)(void *, size_t, const char *, int), void (*f)(void *))
+{
+	return 0;
+}
+
+int
+CRYPTO_set_locked_mem_functions(void *(*m)(size_t), void (*f)(void *))
+{
+	return 0;
+}
+
+int
+CRYPTO_set_locked_mem_ex_functions(void *(*m)(size_t, const char *, int),
+    void (*f)(void *))
+{
+	return 0;
+}
+
+int
+CRYPTO_set_mem_debug_functions(void (*m)(void *, int, const char *, int, int),
+    void (*r)(void *, void *, int, const char *, int, int),
+    void (*f)(void *, int), void (*so)(long), long (*go)(void))
+{
+	return 0;
+}
+
+
+void
+CRYPTO_get_mem_functions(void *(**m)(size_t), void *(**r)(void *, size_t),
+    void (**f)(void *))
+{
+	if (m != NULL)
+		*m = malloc;
+	if (r != NULL)
+		*r = realloc;
+	if (f != NULL)
+		*f = free;
+}
+
+void
+CRYPTO_get_mem_ex_functions(void *(**m)(size_t, const char *, int),
+    void *(**r)(void *, size_t, const char *, int), void (**f)(void *))
+{
+	if (m != NULL)
+		*m = NULL;
+	if (r != NULL)
+		*r = NULL;
+	if (f != NULL)
+		*f = free;
+}
+
+void
+CRYPTO_get_locked_mem_functions(void *(**m)(size_t), void (**f)(void *))
+{
+	if (m != NULL)
+		*m = malloc;
+	if (f != NULL)
+		*f = free;
+}
+
+void
+CRYPTO_get_locked_mem_ex_functions(void *(**m)(size_t, const char *, int),
+    void (**f)(void *))
+{
+	if (m != NULL)
+		*m = NULL;
+	if (f != NULL)
+		*f = free;
+}
+
+void
+CRYPTO_get_mem_debug_functions(void (**m)(void *, int, const char *, int, int),
+    void (**r)(void *, void *, int, const char *, int, int),
+    void (**f)(void *, int), void (**so)(long), long (**go)(void))
+{
+	if (m != NULL)
+		*m = NULL;
+	if (r != NULL)
+		*r = NULL;
+	if (f != NULL)
+		*f = NULL;
+	if (so != NULL)
+		*so = NULL;
+	if (go != NULL)
+		*go = NULL;
+}
+
+
+void *
+CRYPTO_malloc_locked(int num, const char *file, int line)
+{
+	if (num <= 0)
+		return NULL;
+	return malloc(num);
+}
+
+void
+CRYPTO_free_locked(void *ptr)
+{
+	free(ptr);
+}
+
+void *
+CRYPTO_malloc(int num, const char *file, int line)
+{
+	if (num <= 0)
+		return NULL;
+	return malloc(num);
+}
+
+char *
+CRYPTO_strdup(const char *str, const char *file, int line)
+{
+	return strdup(str);
+}
+
+void *
+CRYPTO_realloc(void *ptr, int num, const char *file, int line)
+{
+	if (num <= 0)
+		return NULL;
+	return realloc(ptr, num);
+}
+
+void *
+CRYPTO_realloc_clean(void *ptr, int old_len, int num, const char *file,
+    int line)
+{
+	if (num <= 0)
+		return NULL;
+	/* Original does not support shrinking. */
+	if (num < old_len)
+		return NULL;
+	return recallocarray(ptr, old_len, num, 1);
+}
+
+void
+CRYPTO_free(void *ptr)
+{
+	free(ptr);
+}
+
+void *
+CRYPTO_remalloc(void *a, int num, const char *file, int line)
+{
+	free(a);
+	return malloc(num);
+}
+
+void
+CRYPTO_set_mem_debug_options(long bits)
+{
+	return;
+}
+
+long
+CRYPTO_get_mem_debug_options(void)
+{
+	return 0;
+}