From f72d5de56a522ac3be03873bdde26f23a5eeeb3c Mon Sep 17 00:00:00 2001 From: The Android Open Source Project Date: Tue, 3 Mar 2009 18:28:14 -0800 Subject: auto import from //depot/cupcake/@135843 --- libdex/Leb128.c | 65 --------------------------------------------------------- 1 file changed, 65 deletions(-) delete mode 100644 libdex/Leb128.c (limited to 'libdex/Leb128.c') diff --git a/libdex/Leb128.c b/libdex/Leb128.c deleted file mode 100644 index ed09e19aa..000000000 --- a/libdex/Leb128.c +++ /dev/null @@ -1,65 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* - * Functions for interpreting LEB128 (little endian base 128) values - */ - -#include "Leb128.h" - -/* - * Reads an unsigned LEB128 value, updating the given pointer to point - * just past the end of the read value and also indicating whether the - * value was syntactically valid. The only syntactically *invalid* - * values are ones that are five bytes long where the final byte has - * any but the low-order four bits set. Additionally, if the limit is - * passed as non-NULL and bytes would need to be read past the limit, - * then the read is considered invalid. - */ -int readAndVerifyUnsignedLeb128(const u1** pStream, const u1* limit, - bool* okay) { - const u1* ptr = *pStream; - int result = readUnsignedLeb128(pStream); - - if (((limit != NULL) && (*pStream > limit)) - || (((*pStream - ptr) == 5) && (ptr[4] > 0x0f))) { - *okay = false; - } - - return result; -} - -/* - * Reads a signed LEB128 value, updating the given pointer to point - * just past the end of the read value and also indicating whether the - * value was syntactically valid. The only syntactically *invalid* - * values are ones that are five bytes long where the final byte has - * any but the low-order four bits set. Additionally, if the limit is - * passed as non-NULL and bytes would need to be read past the limit, - * then the read is considered invalid. - */ -int readAndVerifySignedLeb128(const u1** pStream, const u1* limit, - bool* okay) { - const u1* ptr = *pStream; - int result = readSignedLeb128(pStream); - - if (((limit != NULL) && (*pStream > limit)) - || (((*pStream - ptr) == 5) && (ptr[4] > 0x0f))) { - *okay = false; - } - - return result; -} -- cgit v1.2.3