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Signed-off-by: Patrick McCarty <[email protected]>
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‎.clang-format‎

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---
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Language: Cpp
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# BasedOnStyle: LLVM
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AccessModifierOffset: -2
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AlignAfterOpenBracket: true
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AlignConsecutiveAssignments: false
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AlignEscapedNewlinesLeft: false
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AlignOperands: true
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AlignTrailingComments: true
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AllowAllParametersOfDeclarationOnNextLine: true
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AllowShortBlocksOnASingleLine: false
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AllowShortCaseLabelsOnASingleLine: false
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AllowShortFunctionsOnASingleLine: All
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AllowShortIfStatementsOnASingleLine: false
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AllowShortLoopsOnASingleLine: false
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AlwaysBreakAfterDefinitionReturnType: None
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AlwaysBreakBeforeMultilineStrings: false
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AlwaysBreakTemplateDeclarations: false
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BinPackArguments: true
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BinPackParameters: true
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BreakBeforeBinaryOperators: None
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BreakBeforeBraces: Linux
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BreakBeforeTernaryOperators: true
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BreakConstructorInitializersBeforeComma: false
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ColumnLimit: 0
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CommentPragmas: '^ IWYU pragma:'
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ConstructorInitializerAllOnOneLineOrOnePerLine: false
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ConstructorInitializerIndentWidth: 4
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ContinuationIndentWidth: 4
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Cpp11BracedListStyle: true
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DerivePointerAlignment: false
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DisableFormat: false
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ExperimentalAutoDetectBinPacking: false
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ForEachMacros: [ foreach, Q_FOREACH, BOOST_FOREACH ]
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IndentCaseLabels: false
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IndentWidth: 8
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IndentWrappedFunctionNames: false
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KeepEmptyLinesAtTheStartOfBlocks: true
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MacroBlockBegin: ''
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MacroBlockEnd: ''
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MaxEmptyLinesToKeep: 1
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NamespaceIndentation: None
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ObjCBlockIndentWidth: 2
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ObjCSpaceAfterProperty: false
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ObjCSpaceBeforeProtocolList: true
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PenaltyBreakBeforeFirstCallParameter: 19
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PenaltyBreakComment: 300
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PenaltyBreakFirstLessLess: 120
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PenaltyBreakString: 1000
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PenaltyExcessCharacter: 1000000
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PenaltyReturnTypeOnItsOwnLine: 60
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PointerAlignment: Right
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SpaceAfterCStyleCast: false
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SpaceBeforeAssignmentOperators: true
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SpaceBeforeParens: ControlStatements
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SpaceInEmptyParentheses: false
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SpacesBeforeTrailingComments: 1
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SpacesInAngles: false
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SpacesInContainerLiterals: true
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SpacesInCStyleCastParentheses: false
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SpacesInParentheses: false
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SpacesInSquareBrackets: false
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Standard: Cpp11
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TabWidth: 8
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UseTab: Always
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...
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‎.gitignore‎

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*.o
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.libs/
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*.lo
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*.pc
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config.*
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.deps/
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aclocal.m4
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autom4te.cache/
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Makefile
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Makefile.in
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bsdiff
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bsdump
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bspatch
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compile
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configure
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depcomp
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install-sh
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libbsdiff.la
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libtool
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ltmain.sh
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m4/
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missing
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src/.dirstamp
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stamp-h1
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bsdiff-*.tar.xz
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test/*.diff
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test/*.out

‎COPYING‎

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Copyright 2003-2005 Colin Percival
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All rights reserved
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Redistribution and use in source and binary forms, with or without
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modification, are permitted providing that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.

‎Makefile.am‎

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ACLOCAL_AMFLAGS = -I m4
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AM_CFLAGS = \
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-fno-common \
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-fstack-protector \
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-std=gnu99 \
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-Wall \
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-Wformat \
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-Wformat-security \
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-Wimplicit-function-declaration \
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-Wno-conversion \
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-Wstrict-prototypes \
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-Wundef \
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-Wunreachable-code \
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-Wunused-variable
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AM_CPPFLAGS = \
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$(AM_CFLAGS) \
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-D_FORTIFY_SOURCE=2 \
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-I$(top_srcdir)/include
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EXTRA_DIST = \
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COPYING \
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findstatic.pl \
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README.chromium \
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src/bsdiff.sym
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AUTOMAKE_OPTIONS = color-tests parallel-tests
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if COVERAGE
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coverage:
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mkdir -p coverage
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lcov --compat-libtool --directory . --capture --output-file coverage/report
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genhtml -o coverage/ coverage/report
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AM_CFLAGS += --coverage
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endif
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bin_PROGRAMS = \
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bsdiff \
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bsdump \
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bspatch
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bsdump_SOURCES = \
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src/dump_main.c
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bsdump_LDADD = \
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libbsdiff.la
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bsdiff_SOURCES = \
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src/diff_main.c
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bsdiff_LDADD = \
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libbsdiff.la
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bspatch_SOURCES = \
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src/patch_main.c
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bspatch_LDADD = \
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libbsdiff.la
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lib_LTLIBRARIES = \
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libbsdiff.la
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libbsdiff_la_SOURCES = \
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src/diff.c \
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src/patch.c
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libbsdiff_la_LIBADD = \
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$(zlib_LIBS)
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if ENABLE_LZMA
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libbsdiff_la_LIBADD += \
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$(lzma_LIBS)
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endif
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pkgconfiglibdir=$(libdir)/pkgconfig
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pkgconfiglib_DATA = \
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data/bsdiff.pc
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include_HEADERS = \
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include/bsdiff.h
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noinst_HEADERS = \
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src/bsheader.h
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# Library version changes according to the libtool convention:
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# http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
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LIBBSDIFF_CURRENT=1
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LIBBSDIFF_REVISION=0
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LIBBSDIFF_AGE=0
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libbsdiff_la_LDFLAGS = \
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-version-info $(LIBBSDIFF_CURRENT):$(LIBBSDIFF_REVISION):$(LIBBSDIFF_AGE) \
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-Wl,--version-script=$(top_srcdir)/src/bsdiff.sym
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distclean-local:
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rm -rf aclocal.m4 ar-lib autom4te.cache config.guess config.h.in config.h.in~ config.sub configure depcomp install-sh ltmain.sh m4 Makefile.in missing compile
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install-exec-hook:
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perl findstatic.pl */*.o | grep -v Checking ||:
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check_PROGRAMS =
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release:
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@git rev-parse v$(PACKAGE_VERSION) &> /dev/null; \
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if [ "$$?" -eq 0 ]; then \
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echo "Error: Release $(PACKAGE_VERSION) already exists."; \
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echo "Bump version in configure.ac before releasing."; \
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exit 1; \
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fi
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@git tag -a -m "$(PACKAGE_NAME) release $(PACKAGE_VERSION)" v$(PACKAGE_VERSION)
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@printf "\nNew release $(PACKAGE_VERSION) tagged!\n\n"

‎README‎

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This project is a forked version of BSDiff, as taken from the Chromium project
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at SVN Revision 122769. See README.chromium for background on its origins.
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Significant changes after the fork include:
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- Changing the BSDiff file format to support file owner, group, and permission
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information.
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- Adding more robust error handling.
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- Adding a new program, bsdump, that outputs BSDiff header information.
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- Converting the core functionality into a library, libbsdiff, with public API
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functions make_bsdiff_delta() and apply_bsdiff_delta().

‎README.chromium‎

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The README below was taken from a snapshot of the Chromium project at:
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svn - Revision 122769: /trunk/src/chrome/installer/mac/third_party/bsdiff
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For information specific to the fork as implemented in this project, see the
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main README file.
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---
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Name: BSDiff
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URL: http://www.daemonology.net/bsdiff/
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Source URL: http://www.daemonology.net/bsdiff/bsdiff-4.3.tar.gz
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Version: 4.3
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License: BSD
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License File: LICENSE
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Description:
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Binary diff/patch utility. There are other copies of BSDiff in the Chromium
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repository, but they're all different. The other copies are based on Mozilla's
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fork of BSDiff, which serves a different set of needs. Relative to upstream
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BSDiff, Mozilla's version removes all compression, adds a CRC-32 check of the
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original file, replaces the custom off_t encoding with signed 32-bit
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big-endian integers, and contains a total reorganization of the code. The
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version in this directory contains no Mozilla code and builds directly on the
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upstream version. It retains and enhances the compression, uses SHA1 to check
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both the original file and the patched file, uses a different off_t encoding
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more compatible with the original, and involves minimal changes to the
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original code.
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Theoretically, a hash of the original file should be enough to guarantee data
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integrity, but in the event of algorithmic or programming bugs or other
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unexpected conditions, a hash of the patched file provides a better guarantee.
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This implementation now checks the integrity of both the original and the
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patched files. SHA1, rather than CRC-32, is used to minimize the likelihood
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that an original file that has been intentionally tampered with will produce
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an altered patched file without being detected.
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Local Modifications:
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- Added LICENSE file by copying the license block from bsdiff.c and
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bspatch.c.
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- The following modifications are relative to the original unpatched version,
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checked in to the Chromium repository at r49280.
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- Created goobsdiff.gyp for GYP build system integration.
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- Renamed bsdiff.c to goobsdiff.c and bspatch.c to goobspatch.c.
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- Added sha1_adapter.cc, sha1_adapter.h, and empty.cc to facilitate hashing.
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- Added #include <sys/types.h> to goobspatch.c so that it compiles. (Oops!)
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- Changed the magic number in the header from BSDIFF40 to BSDIFF4G.
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- Expanded the header to include SHA1 hashes of the original and new files,
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and added hash checks to the patcher.
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- Expanded the header to include the lengths of the control, diff, and extra
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blocks in the patch file, and added patch file length validation to the
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patcher.
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- Replaced custom off_t encoding with signed 64-bit little-endian integers.
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- The control, diff, and extra blocks can be compressed with bzip2, gzip, or
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xz/lzma2, or left uncompressed, independently of one another, depending on
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which is smallest. This often results in a net reduction in patch size of
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about 3%-5%.
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- Error messages in the patcher are slightly more descriptive.
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- The patcher treats a few more unexpected read cases as errors than it did
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previously. This will theoretically cause it to exit with an error instead
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of sitting in a busy loop or crashing when certain malformatted patch files
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are provided.

‎autogen.sh‎

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#!/bin/sh
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set -e
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autoreconf --force --install --symlink --warnings=all
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args="\
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--prefix=/usr"
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if test -z "${NOCONFIGURE}"; then
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./configure $args "$@"
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make clean
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fi

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