diff options
Diffstat (limited to 'tools/bootstrp/md5.cxx')
| -rw-r--r-- | tools/bootstrp/md5.cxx | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/tools/bootstrp/md5.cxx b/tools/bootstrp/md5.cxx index 9c1ed7b16713..bf2b72aaf7ee 100644 --- a/tools/bootstrp/md5.cxx +++ b/tools/bootstrp/md5.cxx @@ -40,15 +40,10 @@ void normalize_pe_image(sal_uInt8* buffer, size_t nBufferSize) { - const int OFFSET_PE_OFFSET = 0x3c; - const int OFFSET_COFF_TIMEDATESTAMP = 4; - const int PE_SIGNATURE_SIZE = 4; - const int COFFHEADER_SIZE = 20; - const int OFFSET_PE_OPTIONALHEADER_CHECKSUM = 64; - // Check the header part of the file buffer if (buffer[0] == sal_uInt8('M') && buffer[1] == sal_uInt8('Z')) { + const int OFFSET_PE_OFFSET = 0x3c; unsigned long PEHeaderOffset = (long)buffer[OFFSET_PE_OFFSET]; if (PEHeaderOffset < nBufferSize-4) { @@ -57,6 +52,8 @@ void normalize_pe_image(sal_uInt8* buffer, size_t nBufferSize) buffer[PEHeaderOffset+2] == 0 && buffer[PEHeaderOffset+3] == 0 ) { + const int PE_SIGNATURE_SIZE = 4; + const int OFFSET_COFF_TIMEDATESTAMP = 4; PEHeaderOffset += PE_SIGNATURE_SIZE; if (PEHeaderOffset+OFFSET_COFF_TIMEDATESTAMP < nBufferSize-4) { @@ -68,7 +65,8 @@ void normalize_pe_image(sal_uInt8* buffer, size_t nBufferSize) buffer[PEHeaderOffset+OFFSET_COFF_TIMEDATESTAMP+2] = 0; buffer[PEHeaderOffset+OFFSET_COFF_TIMEDATESTAMP+3] = 0; } - + const int COFFHEADER_SIZE = 20; + const int OFFSET_PE_OPTIONALHEADER_CHECKSUM = 64; if (PEHeaderOffset+COFFHEADER_SIZE+OFFSET_PE_OPTIONALHEADER_CHECKSUM < nBufferSize-4) { // Set checksum to a normalized value @@ -84,9 +82,6 @@ void normalize_pe_image(sal_uInt8* buffer, size_t nBufferSize) rtlDigestError calc_md5_checksum(const char *filename, rtl::OString &rChecksum) { - const size_t BUFFER_SIZE = 0x1000; - const size_t MINIMAL_SIZE = 512; - sal_uInt8 checksum[RTL_DIGEST_LENGTH_MD5]; rtlDigestError error = rtl_Digest_E_None; rtl::OStringBuffer aChecksumBuf; @@ -99,6 +94,7 @@ rtlDigestError calc_md5_checksum(const char *filename, rtl::OString &rChecksum) if ( digest ) { + const size_t BUFFER_SIZE = 0x1000; size_t nBytesRead; sal_uInt8 buffer[BUFFER_SIZE]; bool bHeader(true); @@ -109,6 +105,7 @@ rtlDigestError calc_md5_checksum(const char *filename, rtl::OString &rChecksum) if (bHeader) { bHeader = false; + const size_t MINIMAL_SIZE = 512; if (nBytesRead >= MINIMAL_SIZE && buffer[0] == sal_uInt8('M') && buffer[1] == sal_uInt8('Z') ) normalize_pe_image(buffer, nBytesRead); } |