diff options
Diffstat (limited to 'src/codec/zlib/zlib.cpp')
| -rw-r--r-- | src/codec/zlib/zlib.cpp | 104 |
1 files changed, 53 insertions, 51 deletions
diff --git a/src/codec/zlib/zlib.cpp b/src/codec/zlib/zlib.cpp index 6f1e2b770..246e32924 100644 --- a/src/codec/zlib/zlib.cpp +++ b/src/codec/zlib/zlib.cpp @@ -1,9 +1,11 @@ -/************************************************* -* Zlib Compressor Source File * -* (C) 2001 Peter J Jones * -* 2001-2007 Jack Lloyd * -* 2006 Matt Johnston * -*************************************************/ +/* +* Zlib Compressor +* (C) 2001 Peter J Jones +* 2001-2007 Jack Lloyd +* 2006 Matt Johnston +* +* Distributed under the terms of the Botan license +*/ #include <botan/zlib.h> #include <botan/exceptn.h> @@ -16,9 +18,9 @@ namespace Botan { namespace { -/************************************************* -* Allocation Information for Zlib * -*************************************************/ +/* +* Allocation Information for Zlib +*/ class Zlib_Alloc_Info { public: @@ -28,9 +30,9 @@ class Zlib_Alloc_Info Zlib_Alloc_Info() { alloc = Allocator::get(false); } }; -/************************************************* -* Allocation Function for Zlib * -*************************************************/ +/* +* Allocation Function for Zlib +*/ void* zlib_malloc(void* info_ptr, unsigned int n, unsigned int size) { Zlib_Alloc_Info* info = static_cast<Zlib_Alloc_Info*>(info_ptr); @@ -39,9 +41,9 @@ void* zlib_malloc(void* info_ptr, unsigned int n, unsigned int size) return ptr; } -/************************************************* -* Allocation Function for Zlib * -*************************************************/ +/* +* Allocation Function for Zlib +*/ void zlib_free(void* info_ptr, void* ptr) { Zlib_Alloc_Info* info = static_cast<Zlib_Alloc_Info*>(info_ptr); @@ -53,9 +55,9 @@ void zlib_free(void* info_ptr, void* ptr) } -/************************************************* -* Wrapper Type for Zlib z_stream * -*************************************************/ +/* +* Wrapper Type for Zlib z_stream +*/ class Zlib_Stream { public: @@ -76,18 +78,18 @@ class Zlib_Stream } }; -/************************************************* -* Zlib_Compression Constructor * -*************************************************/ +/* +* Zlib_Compression Constructor +*/ Zlib_Compression::Zlib_Compression(u32bit l) : level((l >= 9) ? 9 : l), buffer(DEFAULT_BUFFERSIZE) { zlib = 0; } -/************************************************* -* Start Compressing with Zlib * -*************************************************/ +/* +* Start Compressing with Zlib +*/ void Zlib_Compression::start_msg() { clear(); @@ -96,9 +98,9 @@ void Zlib_Compression::start_msg() throw Exception("Zlib_Compression: Memory allocation error"); } -/************************************************* -* Compress Input with Zlib * -*************************************************/ +/* +* Compress Input with Zlib +*/ void Zlib_Compression::write(const byte input[], u32bit length) { zlib->stream.next_in = static_cast<Bytef*>(const_cast<byte*>(input)); @@ -113,9 +115,9 @@ void Zlib_Compression::write(const byte input[], u32bit length) } } -/************************************************* -* Finish Compressing with Zlib * -*************************************************/ +/* +* Finish Compressing with Zlib +*/ void Zlib_Compression::end_msg() { zlib->stream.next_in = 0; @@ -132,9 +134,9 @@ void Zlib_Compression::end_msg() clear(); } -/************************************************* -* Flush the Zlib Compressor * -*************************************************/ +/* +* Flush the Zlib Compressor +*/ void Zlib_Compression::flush() { zlib->stream.next_in = 0; @@ -153,9 +155,9 @@ void Zlib_Compression::flush() } } -/************************************************* -* Clean up Compression Context * -*************************************************/ +/* +* Clean up Compression Context +*/ void Zlib_Compression::clear() { if(zlib) @@ -168,18 +170,18 @@ void Zlib_Compression::clear() buffer.clear(); } -/************************************************* -* Zlib_Decompression Constructor * -*************************************************/ +/* +* Zlib_Decompression Constructor +*/ Zlib_Decompression::Zlib_Decompression() : buffer(DEFAULT_BUFFERSIZE) { zlib = 0; no_writes = true; } -/************************************************* -* Start Decompressing with Zlib * -*************************************************/ +/* +* Start Decompressing with Zlib +*/ void Zlib_Decompression::start_msg() { clear(); @@ -188,9 +190,9 @@ void Zlib_Decompression::start_msg() throw Exception("Zlib_Decompression: Memory allocation error"); } -/************************************************* -* Decompress Input with Zlib * -*************************************************/ +/* +* Decompress Input with Zlib +*/ void Zlib_Decompression::write(const byte input_arr[], u32bit length) { if(length) no_writes = false; @@ -236,9 +238,9 @@ void Zlib_Decompression::write(const byte input_arr[], u32bit length) } } -/************************************************* -* Finish Decompressing with Zlib * -*************************************************/ +/* +* Finish Decompressing with Zlib +*/ void Zlib_Decompression::end_msg() { if(no_writes) return; @@ -265,9 +267,9 @@ void Zlib_Decompression::end_msg() clear(); } -/************************************************* -* Clean up Decompression Context * -*************************************************/ +/* +* Clean up Decompression Context +*/ void Zlib_Decompression::clear() { no_writes = true; |