summaryrefslogtreecommitdiffstats
path: root/debian/vendor-h2o/deps/brotli/enc/streams.cc
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 21:12:02 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 21:12:02 +0000
commit77e50caaf2ef81cd91075cf836fed0e75718ffb4 (patch)
tree53b7b411290b63192fc9e924a3b6b65cdf67e9d0 /debian/vendor-h2o/deps/brotli/enc/streams.cc
parentAdding upstream version 1.8.3. (diff)
downloaddnsdist-77e50caaf2ef81cd91075cf836fed0e75718ffb4.tar.xz
dnsdist-77e50caaf2ef81cd91075cf836fed0e75718ffb4.zip
Adding debian version 1.8.3-2.debian/1.8.3-2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'debian/vendor-h2o/deps/brotli/enc/streams.cc')
-rw-r--r--debian/vendor-h2o/deps/brotli/enc/streams.cc114
1 files changed, 114 insertions, 0 deletions
diff --git a/debian/vendor-h2o/deps/brotli/enc/streams.cc b/debian/vendor-h2o/deps/brotli/enc/streams.cc
new file mode 100644
index 0000000..2ea766f
--- /dev/null
+++ b/debian/vendor-h2o/deps/brotli/enc/streams.cc
@@ -0,0 +1,114 @@
+/* Copyright 2009 Google Inc. All Rights Reserved.
+
+ Distributed under MIT license.
+ See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+
+// Convience routines to make Brotli I/O classes from some memory containers and
+// files.
+
+#include "./streams.h"
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+namespace brotli {
+
+BrotliMemOut::BrotliMemOut(void* buf, size_t len)
+ : buf_(buf),
+ len_(len),
+ pos_(0) {}
+
+void BrotliMemOut::Reset(void* buf, size_t len) {
+ buf_ = buf;
+ len_ = len;
+ pos_ = 0;
+}
+
+// Brotli output routine: copy n bytes to the output buffer.
+bool BrotliMemOut::Write(const void *buf, size_t n) {
+ if (n + pos_ > len_)
+ return false;
+ char* p = reinterpret_cast<char*>(buf_) + pos_;
+ memcpy(p, buf, n);
+ pos_ += n;
+ return true;
+}
+
+BrotliStringOut::BrotliStringOut(std::string* buf, size_t max_size)
+ : buf_(buf),
+ max_size_(max_size) {
+ assert(buf->empty());
+}
+
+void BrotliStringOut::Reset(std::string* buf, size_t max_size) {
+ buf_ = buf;
+ max_size_ = max_size;
+}
+
+// Brotli output routine: add n bytes to a string.
+bool BrotliStringOut::Write(const void *buf, size_t n) {
+ if (buf_->size() + n > max_size_)
+ return false;
+ buf_->append(static_cast<const char*>(buf), n);
+ return true;
+}
+
+BrotliMemIn::BrotliMemIn(const void* buf, size_t len)
+ : buf_(buf),
+ len_(len),
+ pos_(0) {}
+
+void BrotliMemIn::Reset(const void* buf, size_t len) {
+ buf_ = buf;
+ len_ = len;
+ pos_ = 0;
+}
+
+// Brotli input routine: read the next chunk of memory.
+const void* BrotliMemIn::Read(size_t n, size_t* output) {
+ if (pos_ == len_) {
+ return NULL;
+ }
+ if (n > len_ - pos_)
+ n = len_ - pos_;
+ const char* p = reinterpret_cast<const char*>(buf_) + pos_;
+ pos_ += n;
+ *output = n;
+ return p;
+}
+
+BrotliFileIn::BrotliFileIn(FILE* f, size_t max_read_size)
+ : f_(f),
+ buf_(new char[max_read_size]),
+ buf_size_(max_read_size) { }
+
+BrotliFileIn::~BrotliFileIn() {
+ delete[] buf_;
+}
+
+const void* BrotliFileIn::Read(size_t n, size_t* bytes_read) {
+ if (n > buf_size_) {
+ n = buf_size_;
+ } else if (n == 0) {
+ return feof(f_) ? NULL : buf_;
+ }
+ *bytes_read = fread(buf_, 1, n, f_);
+ if (*bytes_read == 0) {
+ return NULL;
+ } else {
+ return buf_;
+ }
+}
+
+BrotliFileOut::BrotliFileOut(FILE* f) : f_(f) {}
+
+bool BrotliFileOut::Write(const void* buf, size_t n) {
+ if (fwrite(buf, n, 1, f_) != 1) {
+ return false;
+ }
+ return true;
+}
+
+} // namespace brotli