Index: src/platform/vboot_reference/include/utility.h |
diff --git a/src/platform/vboot_reference/include/utility.h b/src/platform/vboot_reference/include/utility.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ddb1dc055fcce194ac66e7cc7b8ca1e2ece4fdd6 |
--- /dev/null |
+++ b/src/platform/vboot_reference/include/utility.h |
@@ -0,0 +1,32 @@ |
+/* Copyright (c) 2010 The Chromium OS Authors. All rights reserved. |
+ * Use of this source code is governed by a BSD-style license that can be |
+ * found in the LICENSE file. |
+ */ |
+ |
+/* Helper functions/wrappers for memory allocations, manipulation and |
+ * comparison. |
+ */ |
+ |
+#ifndef VBOOT_REFERENCE_UTILITY_H_ |
+#define VBOOT_REFERENCE_UTILITY_H_ |
+ |
+#include <string.h> |
+ |
+/* Allocate [size] bytes and return a pointer to the allocated memory. Abort |
+ * on error. |
+ */ |
+void* Malloc(size_t size); |
+ |
+/* Free memory pointed by [ptr] previously allocated by Malloc(). */ |
+void Free(void* ptr); |
+ |
+/* Copy [n] bytes from [src] to [dest]. */ |
+void* Memcpy(void* dest, const void* src, size_t n); |
+ |
+/* Compare [n] bytes starting at [s1] with [s2] and return 1 if they match, |
+ * 0 if they don't. Time taken to perform the comparison is only dependent on |
+ * [n] and not on the relationship of the match between [s1] and [s2]. |
+ */ |
+int SafeMemcmp(const void* s1, const void* s2, size_t n); |
+ |
+#endif /* VBOOT_REFERENCE_UTILITY_H_ */ |