1 files changed, 101 insertions, 0 deletions
diff --git a/lib/libavb/avb_sysdeps.h b/lib/libavb/avb_sysdeps.h
new file mode 100644
index 0000000000..345c2b29a6
--- /dev/null
+++ b/lib/libavb/avb_sysdeps.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * SPDX-License-Identifier:	MIT
+ */
+
+#if !defined(AVB_INSIDE_LIBAVB_H) && !defined(AVB_COMPILATION)
+#error "Never include this file directly, include libavb.h instead."
+#endif
+
+#ifndef AVB_SYSDEPS_H_
+#define AVB_SYSDEPS_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Change these includes to match your platform to bring in the
+ * equivalent types available in a normal C runtime. At least things
+ * like uint8_t, uint64_t, and bool (with |false|, |true| keywords)
+ * must be present.
+ */
+#include <common.h>
+
+/* If you don't have gcc or clang, these attribute macros may need to
+ * be adjusted.
+ */
+#define AVB_ATTR_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
+#define AVB_ATTR_PACKED __attribute__((packed))
+#define AVB_ATTR_NO_RETURN __attribute__((noreturn))
+#define AVB_ATTR_SENTINEL __attribute__((__sentinel__))
+
+/* Size in bytes used for alignment. */
+#ifdef __LP64__
+#define AVB_ALIGNMENT_SIZE 8
+#else
+#define AVB_ALIGNMENT_SIZE 4
+#endif
+
+/* Compare |n| bytes in |src1| and |src2|.
+ *
+ * Returns an integer less than, equal to, or greater than zero if the
+ * first |n| bytes of |src1| is found, respectively, to be less than,
+ * to match, or be greater than the first |n| bytes of |src2|. */
+int avb_memcmp(const void* src1,
+               const void* src2,
+               size_t n) AVB_ATTR_WARN_UNUSED_RESULT;
+
+/* Compare two strings.
+ *
+ * Return an integer less than, equal to, or greater than zero if |s1|
+ * is found, respectively, to be less than, to match, or be greater
+ * than |s2|.
+ */
+int avb_strcmp(const char* s1, const char* s2);
+
+/* Copy |n| bytes from |src| to |dest|. */
+void* avb_memcpy(void* dest, const void* src, size_t n);
+
+/* Set |n| bytes starting at |s| to |c|.  Returns |dest|. */
+void* avb_memset(void* dest, const int c, size_t n);
+
+/* Prints out a message. The string passed must be a NUL-terminated
+ * UTF-8 string.
+ */
+void avb_print(const char* message);
+
+/* Prints out a vector of strings. Each argument must point to a
+ * NUL-terminated UTF-8 string and NULL should be the last argument.
+ */
+void avb_printv(const char* message, ...) AVB_ATTR_SENTINEL;
+
+/* Aborts the program or reboots the device. */
+void avb_abort(void) AVB_ATTR_NO_RETURN;
+
+/* Allocates |size| bytes. Returns NULL if no memory is available,
+ * otherwise a pointer to the allocated memory.
+ *
+ * The memory is not initialized.
+ *
+ * The pointer returned is guaranteed to be word-aligned.
+ *
+ * The memory should be freed with avb_free() when you are done with it.
+ */
+void* avb_malloc_(size_t size) AVB_ATTR_WARN_UNUSED_RESULT;
+
+/* Frees memory previously allocated with avb_malloc(). */
+void avb_free(void* ptr);
+
+/* Returns the lenght of |str|, excluding the terminating NUL-byte. */
+size_t avb_strlen(const char* str) AVB_ATTR_WARN_UNUSED_RESULT;
+
+/* Divide the |dividend| by 10 and saves back to the pointer. Return the
+ * remainder. */
+uint32_t avb_div_by_10(uint64_t* dividend);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* AVB_SYSDEPS_H_ */