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-rw-r--r--security/nss/cpputil/databuffer.cc127
1 files changed, 0 insertions, 127 deletions
diff --git a/security/nss/cpputil/databuffer.cc b/security/nss/cpputil/databuffer.cc
deleted file mode 100644
index d60ebccb3..000000000
--- a/security/nss/cpputil/databuffer.cc
+++ /dev/null
@@ -1,127 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set ts=2 et sw=2 tw=80: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "databuffer.h"
-#include <algorithm>
-#include <cassert>
-#include <cstring>
-#include <iomanip>
-#include <iostream>
-#if defined(WIN32) || defined(WIN64)
-#include <winsock2.h>
-#else
-#include <arpa/inet.h>
-#endif
-
-namespace nss_test {
-
-void DataBuffer::Assign(const uint8_t* data, size_t len) {
- if (data) {
- Allocate(len);
- memcpy(static_cast<void*>(data_), static_cast<const void*>(data), len);
- } else {
- assert(len == 0);
- data_ = nullptr;
- len_ = 0;
- }
-}
-
-// Write will do a new allocation and expand the size of the buffer if needed.
-// Returns the offset of the end of the write.
-size_t DataBuffer::Write(size_t index, const uint8_t* val, size_t count) {
- assert(val);
- if (index + count > len_) {
- size_t newlen = index + count;
- uint8_t* tmp = new uint8_t[newlen]; // Always > 0.
- if (data_) {
- memcpy(static_cast<void*>(tmp), static_cast<const void*>(data_), len_);
- }
- if (index > len_) {
- memset(static_cast<void*>(tmp + len_), 0, index - len_);
- }
- delete[] data_;
- data_ = tmp;
- len_ = newlen;
- }
- if (data_) {
- memcpy(static_cast<void*>(data_ + index), static_cast<const void*>(val),
- count);
- }
- return index + count;
-}
-
-// Write an integer, also performing host-to-network order conversion.
-// Returns the offset of the end of the write.
-size_t DataBuffer::Write(size_t index, uint32_t val, size_t count) {
- assert(count <= sizeof(uint32_t));
- uint32_t nvalue = htonl(val);
- auto* addr = reinterpret_cast<const uint8_t*>(&nvalue);
- return Write(index, addr + sizeof(uint32_t) - count, count);
-}
-
-void DataBuffer::Splice(const uint8_t* ins, size_t ins_len, size_t index,
- size_t remove) {
- assert(ins);
- uint8_t* old_value = data_;
- size_t old_len = len_;
-
- // The amount of stuff remaining from the tail of the old.
- size_t tail_len = old_len - (std::min)(old_len, index + remove);
- // The new length: the head of the old, the new, and the tail of the old.
- len_ = index + ins_len + tail_len;
- data_ = new uint8_t[len_ ? len_ : 1];
-
- // The head of the old.
- if (old_value) {
- Write(0, old_value, (std::min)(old_len, index));
- }
- // Maybe a gap.
- if (old_value && index > old_len) {
- memset(old_value + index, 0, index - old_len);
- }
- // The new.
- Write(index, ins, ins_len);
- // The tail of the old.
- if (tail_len > 0) {
- Write(index + ins_len, old_value + index + remove, tail_len);
- }
-
- delete[] old_value;
-}
-
-// This can't use the same trick as Write(), since we might be reading from a
-// smaller data source.
-bool DataBuffer::Read(size_t index, size_t count, uint64_t* val) const {
- assert(count <= sizeof(uint64_t));
- assert(val);
- if ((index > len()) || (count > (len() - index))) {
- return false;
- }
- *val = 0;
- for (size_t i = 0; i < count; ++i) {
- *val = (*val << 8) | data()[index + i];
- }
- return true;
-}
-
-bool DataBuffer::Read(size_t index, size_t count, uint32_t* val) const {
- assert(count <= sizeof(uint32_t));
- uint64_t tmp;
-
- if (!Read(index, count, &tmp)) {
- return false;
- }
- *val = tmp & 0xffffffff;
- return true;
-}
-
-size_t DataBuffer::logging_limit = 32;
-
-/* static */ void DataBuffer::SetLogLimit(size_t limit) {
- DataBuffer::logging_limit = limit;
-}
-
-} // namespace nss_test