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Write MTIME in big-endian order

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This commit is contained in:
Jeffrey Walton 2017-05-12 15:29:03 -04:00
parent d901ecd9a4
commit 591b139343
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GPG Key ID: B36AB348921B1838
2 changed files with 8 additions and 8 deletions
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4
gzip.cpp
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@ -26,7 +26,7 @@ void Gzip::WritePrestreamHeader()
AttachedTransformation()->Put(MAGIC2);
AttachedTransformation()->Put(DEFLATED);
AttachedTransformation()->Put((byte)flags); // general flag
AttachedTransformation()->PutWord32(m_filetime, LITTLE_ENDIAN_ORDER); // time stamp
AttachedTransformation()->PutWord32(m_filetime, BIG_ENDIAN_ORDER); // time stamp
byte extra = (GetDeflateLevel() == 1) ? FAST : ((GetDeflateLevel() == 9) ? SLOW : 0);
AttachedTransformation()->Put(extra);
AttachedTransformation()->Put(GZIP_OS_CODE);
@ -51,7 +51,7 @@ void Gzip::WritePoststreamTail()
SecByteBlock crc(4);
m_crc.Final(crc);
AttachedTransformation()->Put(crc, 4);
AttachedTransformation()->PutWord32(m_totalLen, LITTLE_ENDIAN_ORDER);
AttachedTransformation()->PutWord32(m_totalLen, BIG_ENDIAN_ORDER);
m_filetime = 0;
m_filename.clear();

12
gzip.h
View File

@ -37,14 +37,14 @@ public:
//! \param filetime the filetime to set in the header. The application is responsible for setting it.
void SetFiletime(word32 filetime) { m_filetime = filetime; }
//! \param filename the original filename to set in the header. The application is responsible for setting it.
//! RFC 1952 requires a ISO/IEC 8859-1 encoding.
//! \param throwOnEncodingError if throwOnEncodingError is true, then the filename is checked to ensure it is
//! ISO/IEC 8859-1 encoded. If the filename does not adhere to ISO/IEC 8859-1, then a InvalidDataFormat
//! is thrown. If throwOnEncodingError is false then the filename is not checked.
void SetFilename(const std::string& filename, bool throwOnEncodingError = false);
//! \param comment the comment to set in the header. The application is responsible for setting it.
//! RFC 1952 requires a ISO/IEC 8859-1 encoding.
//! \param throwOnEncodingError if throwOnEncodingError is true, then the comment is checked to ensure it is
@ -55,7 +55,7 @@ public:
protected:
enum {MAGIC1=0x1f, MAGIC2=0x8b, // flags for the header
DEFLATED=8, FAST=4, SLOW=2};
enum FLAG_MASKS {
FILENAME=8, COMMENTS=16};
@ -65,7 +65,7 @@ protected:
word32 m_totalLen;
CRC32 m_crc;
word32 m_filetime;
std::string m_filename;
std::string m_comment;
@ -99,13 +99,13 @@ public:
//! \return the filetime of the stream as set in the header. The application is responsible for setting it on the decompressed file.
word32 GetFiletime() const { return m_filetime; }
//! \return the filename of the stream as set in the header. The application is responsible for setting it on the decompressed file.
//! \param throwOnEncodingError if throwOnEncodingError is true, then the filename is checked to ensure it is
//! ISO/IEC 8859-1 encoded. If the filename does not adhere to ISO/IEC 8859-1, then a InvalidDataFormat is thrown.
//! If throwOnEncodingError is false then the filename is not checked.
const std::string& GetFilename(bool throwOnEncodingError = false) const;
//! \return the comment of the stream as set in the header.
//! \param throwOnEncodingError if throwOnEncodingError is true, then the comment is checked to ensure it is
//! ISO/IEC 8859-1 encoded. If the comment does not adhere to ISO/IEC 8859-1, then a InvalidDataFormat is thrown.