summaryrefslogtreecommitdiffstats
path: root/other-licenses/snappy/src/snappy-c.cc
diff options
context:
space:
mode:
authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /other-licenses/snappy/src/snappy-c.cc
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'other-licenses/snappy/src/snappy-c.cc')
-rw-r--r--other-licenses/snappy/src/snappy-c.cc90
1 files changed, 90 insertions, 0 deletions
diff --git a/other-licenses/snappy/src/snappy-c.cc b/other-licenses/snappy/src/snappy-c.cc
new file mode 100644
index 000000000..473a0b097
--- /dev/null
+++ b/other-licenses/snappy/src/snappy-c.cc
@@ -0,0 +1,90 @@
+// Copyright 2011 Martin Gieseking <martin.gieseking@uos.de>.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "snappy.h"
+#include "snappy-c.h"
+
+extern "C" {
+
+snappy_status snappy_compress(const char* input,
+ size_t input_length,
+ char* compressed,
+ size_t *compressed_length) {
+ if (*compressed_length < snappy_max_compressed_length(input_length)) {
+ return SNAPPY_BUFFER_TOO_SMALL;
+ }
+ snappy::RawCompress(input, input_length, compressed, compressed_length);
+ return SNAPPY_OK;
+}
+
+snappy_status snappy_uncompress(const char* compressed,
+ size_t compressed_length,
+ char* uncompressed,
+ size_t* uncompressed_length) {
+ size_t real_uncompressed_length;
+ if (!snappy::GetUncompressedLength(compressed,
+ compressed_length,
+ &real_uncompressed_length)) {
+ return SNAPPY_INVALID_INPUT;
+ }
+ if (*uncompressed_length < real_uncompressed_length) {
+ return SNAPPY_BUFFER_TOO_SMALL;
+ }
+ if (!snappy::RawUncompress(compressed, compressed_length, uncompressed)) {
+ return SNAPPY_INVALID_INPUT;
+ }
+ *uncompressed_length = real_uncompressed_length;
+ return SNAPPY_OK;
+}
+
+size_t snappy_max_compressed_length(size_t source_length) {
+ return snappy::MaxCompressedLength(source_length);
+}
+
+snappy_status snappy_uncompressed_length(const char *compressed,
+ size_t compressed_length,
+ size_t *result) {
+ if (snappy::GetUncompressedLength(compressed,
+ compressed_length,
+ result)) {
+ return SNAPPY_OK;
+ } else {
+ return SNAPPY_INVALID_INPUT;
+ }
+}
+
+snappy_status snappy_validate_compressed_buffer(const char *compressed,
+ size_t compressed_length) {
+ if (snappy::IsValidCompressedBuffer(compressed, compressed_length)) {
+ return SNAPPY_OK;
+ } else {
+ return SNAPPY_INVALID_INPUT;
+ }
+}
+
+} // extern "C"