Remove CRC-16 implementation

4 files changed, 0 insertions, 99 deletions

diff --git a/apt-pkg/contrib/crc-16.cc b/apt-pkg/contrib/crc-16.cc
deleted file mode 100644
index 2e396ab78..000000000
--- a/apt-pkg/contrib/crc-16.cc
+++ /dev/null
@@ -1,77 +0,0 @@
-// -*- mode: cpp; mode: fold -*-
-// Description								/*{{{*/
-/* ######################################################################
-   
-   CRC16 - Compute a 16bit crc very quickly
-   
-   This was ripped out of the linux 2.2 kernel source (irda/crc.c) and
-   is credited to ppp.c by Michael Callahan <callahan@maths.ox.ac.uk> and
-   Al Longyear <longyear@netcom.com>
-   
-   Modified by Jason Gunthorpe <jgg@debian.org> to fit the local coding
-   style, this code is believed to be in the Public Domain.
-   
-   ##################################################################### */
-									/*}}}*/
-// Include Files							/*{{{*/
-#include <config.h>
-
-#include <apt-pkg/crc-16.h>
-									/*}}}*/
-
-/*
- * This mysterious table is just the CRC of each possible byte.  It can be
- * computed using the standard bit-at-a-time methods.  The polynomial can
- * be seen in entry 128, 0x8408.  This corresponds to x^0 + x^5 + x^12.
- * Add the implicit x^16, and you have the standard CRC-CCITT.
- */
-static unsigned short const crc16_table[256] =
-{
-	0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
-	0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,
-	0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e,
-	0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876,
-	0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd,
-	0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5,
-	0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c,
-	0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974,
-	0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb,
-	0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3,
-	0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a,
-	0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72,
-	0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9,
-	0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,
-	0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738,
-	0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70,
-	0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7,
-	0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
-	0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036,
-	0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e,
-	0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5,
-	0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd,
-	0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134,
-	0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c,
-	0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3,
-	0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb,
-	0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232,
-	0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a,
-	0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1,
-	0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9,
-	0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330,
-	0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78
-};
-
-/* Recompute the FCS with one more character appended. */
-#define CalcFCS(fcs, c) (((fcs) >> 8) ^ crc16_table[((fcs) ^ (c)) & 0xff])
-unsigned short AddCRC16Byte(unsigned short fcs, unsigned char byte)
-{
-   return CalcFCS(fcs, byte);
-}
-unsigned short AddCRC16(unsigned short fcs, void const *Buf,
-			unsigned long long len)
-{
-   unsigned char const *buf = (unsigned char const *)Buf;
-   while (len--)
-      fcs = CalcFCS(fcs, *buf++);
-   return fcs;
-}
diff --git a/apt-pkg/contrib/crc-16.h b/apt-pkg/contrib/crc-16.h
deleted file mode 100644
index 3e0756007..000000000
--- a/apt-pkg/contrib/crc-16.h
+++ /dev/null
@@ -1,19 +0,0 @@
-// -*- mode: cpp; mode: fold -*-
-// Description								/*{{{*/
-/* ######################################################################
-
-   CRC16 - Compute a 16bit crc very quickly
-   
-   ##################################################################### */
-									/*}}}*/
-#ifndef APTPKG_CRC16_H
-#define APTPKG_CRC16_H
-
-#include <apt-pkg/macros.h>
-
-#define INIT_FCS  0xffff
-unsigned short AddCRC16Byte(unsigned short fcs, unsigned char byte) APT_PURE;
-unsigned short AddCRC16(unsigned short fcs, void const *buf,
-			unsigned long long len) APT_PURE;
-
-#endif
diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
index 33c83f8f0..eaa9dfda9 100644
--- a/apt-pkg/deb/deblistparser.cc
+++ b/apt-pkg/deb/deblistparser.cc
@@ -14,7 +14,6 @@
 #include <apt-pkg/aptconfiguration.h>
 #include <apt-pkg/cachefilter.h>
 #include <apt-pkg/configuration.h>
-#include <apt-pkg/crc-16.h>
 #include <apt-pkg/deblistparser.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/hashes.h>
diff --git a/debian/libapt-pkg6.0.symbols b/debian/libapt-pkg6.0.symbols
index a533cdc62..af66bf981 100644
--- a/debian/libapt-pkg6.0.symbols
+++ b/debian/libapt-pkg6.0.symbols
@@ -667,7 +667,6 @@ libapt-pkg.so.6.0 libapt-pkg6.0 #MINVER#
  (c++)"pkgDepCache::Policy::GetPriority(pkgCache::PkgIterator const&)@APTPKG_6.0" 0.8.16~exp6
  (c++)"pkgDepCache::Policy::GetPriority(pkgCache::PkgFileIterator const&)@APTPKG_6.0" 0.8.16~exp6
 ### generalisation of checksums (with lfs) -- mostly api-compatible available (without sha512 in previous versions)
- (c++)"AddCRC16(unsigned short, void const*, unsigned long long)@APTPKG_6.0" 0.8.16~exp2
  (c++)"MD5Summation::Add(unsigned char const*, unsigned long long)@APTPKG_6.0" 0.8.16~exp6
  (c++)"MD5Summation::Result()@APTPKG_6.0" 0.8.16~exp2
  (c++)"MD5Summation::MD5Summation()@APTPKG_6.0" 0.8.16~exp2
@@ -1428,7 +1427,6 @@ libapt-pkg.so.6.0 libapt-pkg6.0 #MINVER#
  (c++)"void std::vector<pkgDPkgPM::Item, std::allocator<pkgDPkgPM::Item> >::emplace_back<pkgDPkgPM::Item::Ops, pkgCache::PkgIterator&>(pkgDPkgPM::Item::Ops&&, pkgCache::PkgIterator&)@APTPKG_6.0" 1.3~rc2
  (c++)"void std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >::emplace_back<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&>(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)@APTPKG_6.0" 1.3~rc2
  (c++)"void std::vector<std::pair<pkgDPkgPM::Item*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<pkgDPkgPM::Item*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >::emplace_back<pkgDPkgPM::Item*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >(pkgDPkgPM::Item*&&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&)@APTPKG_6.0" 1.3~rc2
- (c++)"AddCRC16Byte(unsigned short, unsigned char)@APTPKG_6.0" 1.4~beta1
  (c++)"APT::String::Join(std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)@APTPKG_6.0" 1.4~beta4
  (c++)"debListParser::ParseDepends(char const*, char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, unsigned int&, bool const&, bool const&, bool const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)@APTPKG_6.0" 1.4~beta3
  (c++)"debListParser::ParseDepends(char const*, char const*, APT::StringView&, APT::StringView&, unsigned int&, bool, bool, bool, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)@APTPKG_6.0" 1.9.0~