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fuzz: extract some common utilities and use modern C++ idioms...
fuzz: extract some common utilities and use modern C++ idioms Alex Gaynor suggested we should probably copy the left and right sides of diffs to new blocks so we can detect over-reads in the diffing code, and I agree. Once I got into that, I realized we should do things with C++17 idioms rather than keep using malloc() and free(). This change is the result. I tried to split it more than this and failed. Everything still compiles and works in the oss-fuzz container, so I think we can count on C++17 being available! Differential Revision: https://phab.mercurial-scm.org/D3675

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r38191:fa0ddd5e default
r38191:fa0ddd5e default
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Makefile
46 lines | 1.6 KiB | text/x-makefile | MakefileLexer
fuzzutil.o: fuzzutil.cc fuzzutil.h
$$CXX $$CXXFLAGS -g -O1 -fsanitize=fuzzer-no-link,address \
-std=c++17 \
-I../../mercurial -c -o fuzzutil.o fuzzutil.cc
bdiff.o: ../../mercurial/bdiff.c
$$CC $$CFLAGS -fsanitize=fuzzer-no-link,address -c -o bdiff.o \
../../mercurial/bdiff.c
bdiff: bdiff.cc bdiff.o fuzzutil.o
$$CXX $$CXXFLAGS -DHG_FUZZER_INCLUDE_MAIN=1 -g -O1 -fsanitize=fuzzer-no-link,address \
-std=c++17 \
-I../../mercurial bdiff.cc bdiff.o fuzzutil.o -o bdiff
bdiff-oss-fuzz.o: ../../mercurial/bdiff.c
$$CC $$CFLAGS -c -o bdiff-oss-fuzz.o ../../mercurial/bdiff.c
bdiff_fuzzer: bdiff.cc bdiff-oss-fuzz.o fuzzutil.o
$$CXX $$CXXFLAGS -std=c++17 -I../../mercurial bdiff.cc \
bdiff-oss-fuzz.o fuzzutil.o -lFuzzingEngine -o $$OUT/bdiff_fuzzer
x%.o: ../../mercurial/thirdparty/xdiff/x%.c ../../mercurial/thirdparty/xdiff/*.h
$$CC -g -O1 -fsanitize=fuzzer-no-link,address -c \
-o $@ \
$<
xdiff: xdiff.cc xdiffi.o xprepare.o xutils.o fuzzutil.o
$$CXX $$CXXFLAGS -DHG_FUZZER_INCLUDE_MAIN=1 -g -O1 -fsanitize=fuzzer-no-link,address \
-I../../mercurial xdiff.cc \
xdiffi.o xprepare.o xutils.o fuzzutil.o -o xdiff
fuzz-x%.o: ../../mercurial/thirdparty/xdiff/x%.c ../../mercurial/thirdparty/xdiff/*.h
$$CC $$CFLAGS -c \
-o $@ \
$<
xdiff_fuzzer: xdiff.cc fuzz-xdiffi.o fuzz-xprepare.o fuzz-xutils.o fuzzutil.o
$$CXX $$CXXFLAGS -std=c++17 -I../../mercurial xdiff.cc \
fuzz-xdiffi.o fuzz-xprepare.o fuzz-xutils.o fuzzutil.o \
-lFuzzingEngine -o $$OUT/xdiff_fuzzer
all: bdiff xdiff
oss-fuzz: bdiff_fuzzer xdiff_fuzzer
.PHONY: all oss-fuzz