From 27a84de4a30cd35f8565937397f6d1205b912818 Mon Sep 17 00:00:00 2001 From: Ondrej Dubaj Date: Thu, 5 Sep 2019 09:16:35 +0200 Subject: [PATCH 1/2] fix: power8 crc32 - return 0 with 0 ptr passed --- contrib/power8-crc/vec_crc32.c | 1 + 1 file changed, 1 insertion(+) diff --git a/contrib/power8-crc/vec_crc32.c b/contrib/power8-crc/vec_crc32.c index bb2204b..5ce9cd2 100644 --- a/contrib/power8-crc/vec_crc32.c +++ b/contrib/power8-crc/vec_crc32.c @@ -74,6 +74,7 @@ unsigned int CRC32_FUNCTION(unsigned int crc, const unsigned char *p, unsigned int prealign; unsigned int tail; + if (p == (const unsigned char *) 0x0) return 0; #ifdef CRC_XOR crc ^= 0xffffffff; #endif -- 2.19.1 From c066ac92982a2ffe5b1e9bd36000058927437bd5 Mon Sep 17 00:00:00 2001 From: Ondrej Dubaj Date: Thu, 5 Sep 2019 09:36:47 +0200 Subject: [PATCH 2/2] Add CRC32 tests (crc32_test) This commit includes a CRC32 test (crc32_test). This tests are important since some architectures may want include CPU dependent optimizations for CRC32 algorithm like using vector instructions and we may want to validate those. --- Makefile.in | 35 +++++--- test/crc32_test.c | 205 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 230 insertions(+), 10 deletions(-) create mode 100644 test/crc32_test.c diff --git a/Makefile.in b/Makefile.in index 40b5cfb..6070dcc 100644 --- a/Makefile.in +++ b/Makefile.in @@ -75,11 +75,11 @@ PIC_OBJS = $(PIC_OBJC) $(PIC_OBJA) all: static shared -static: example$(EXE) minigzip$(EXE) +static: crc32_test$(EXE) example$(EXE) minigzip$(EXE) -shared: examplesh$(EXE) minigzipsh$(EXE) +shared: crc32_testsh$(EXE) examplesh$(EXE) minigzipsh$(EXE) -all64: example64$(EXE) minigzip64$(EXE) +all64: crc32_test64$(EXE) example64$(EXE) minigzip64$(EXE) check: test @@ -87,7 +87,7 @@ test: all teststatic testshared teststatic: static @TMPST=tmpst_$$; \ - if echo hello world | ./minigzip | ./minigzip -d && ./example $$TMPST ; then \ + if echo hello world | ./minigzip | ./minigzip -d && ./example $$TMPST && ./crc32_test; then \ echo ' *** zlib test OK ***'; \ else \ echo ' *** zlib test FAILED ***'; false; \ @@ -100,7 +100,7 @@ testshared: shared DYLD_LIBRARY_PATH=`pwd`:$(DYLD_LIBRARY_PATH) ; export DYLD_LIBRARY_PATH; \ SHLIB_PATH=`pwd`:$(SHLIB_PATH) ; export SHLIB_PATH; \ TMPSH=tmpsh_$$; \ - if echo hello world | ./minigzipsh | ./minigzipsh -d && ./examplesh $$TMPSH; then \ + if echo hello world | ./minigzipsh | ./minigzipsh -d && ./examplesh $$TMPSH && ./crc32_testsh; then \ echo ' *** zlib shared test OK ***'; \ else \ echo ' *** zlib shared test FAILED ***'; false; \ @@ -109,7 +109,7 @@ testshared: shared test64: all64 @TMP64=tmp64_$$; \ - if echo hello world | ./minigzip64 | ./minigzip64 -d && ./example64 $$TMP64; then \ + if echo hello world | ./minigzip64 | ./minigzip64 -d && ./example64 $$TMP64 && ./crc32_test64; then \ echo ' *** zlib 64-bit test OK ***'; \ else \ echo ' *** zlib 64-bit test FAILED ***'; false; \ @@ -157,6 +157,12 @@ example.o: $(SRCDIR)test/example.c $(SRCDIR)zlib.h zconf.h minigzip.o: $(SRCDIR)test/minigzip.c $(SRCDIR)zlib.h zconf.h $(CC) $(CFLAGS) $(ZINCOUT) -c -o $@ $(SRCDIR)test/minigzip.c +crc32_test.o: $(SRCDIR)test/crc32_test.c $(SRCDIR)zlib.h zconf.h + $(CC) $(CFLAGS) $(ZINCOUT) -c -o $@ $(SRCDIR)test/crc32_test.c + +crc32_test64.o: $(SRCDIR)test/crc32_test.c $(SRCDIR)zlib.h zconf.h + $(CC) $(CFLAGS) $(ZINCOUT) -D_FILE_OFFSET_BITS=64 -c -o $@ $(SRCDIR)test/crc32_test.c + example64.o: $(SRCDIR)test/example.c $(SRCDIR)zlib.h zconf.h $(CC) $(CFLAGS) $(ZINCOUT) -D_FILE_OFFSET_BITS=64 -c -o $@ $(SRCDIR)test/example.c @@ -307,12 +313,21 @@ example$(EXE): example.o $(STATICLIB) minigzip$(EXE): minigzip.o $(STATICLIB) $(CC) $(CFLAGS) -o $@ minigzip.o $(TEST_LDFLAGS) +crc32_test$(EXE): crc32_test.o $(STATICLIB) + $(CC) $(CFLAGS) -o $@ crc32_test.o $(TEST_LDFLAGS) + +crc32_testsh$(EXE): crc32_test.o $(SHAREDLIBV) + $(CC) $(CFLAGS) -o $@ crc32_test.o -L. $(SHAREDLIBV) + examplesh$(EXE): example.o $(SHAREDLIBV) $(CC) $(CFLAGS) -o $@ example.o -L. $(SHAREDLIBV) minigzipsh$(EXE): minigzip.o $(SHAREDLIBV) $(CC) $(CFLAGS) -o $@ minigzip.o -L. $(SHAREDLIBV) +crc32_test64$(EXE): crc32_test64.o $(STATICLIB) + $(CC) $(CFLAGS) -o $@ crc32_test64.o $(TEST_LDFLAGS) + example64$(EXE): example64.o $(STATICLIB) $(CC) $(CFLAGS) -o $@ example64.o $(TEST_LDFLAGS) @@ -382,8 +397,8 @@ zconf: $(SRCDIR)zconf.h.in mostlyclean: clean clean: rm -f *.o *.lo *~ \ - example$(EXE) minigzip$(EXE) examplesh$(EXE) minigzipsh$(EXE) \ - example64$(EXE) minigzip64$(EXE) \ + crc32_test$(EXE) example$(EXE) minigzip$(EXE) crc32_testsh$(EXE) examplesh$(EXE) minigzipsh$(EXE) \ + crc32_test64$(EXE) example64$(EXE) minigzip64$(EXE) \ infcover \ libz.* foo.gz so_locations \ _match.s maketree contrib/infback9/*.o @@ -407,7 +422,7 @@ tags: adler32.o zutil.o: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h gzclose.o gzlib.o gzread.o gzwrite.o: $(SRCDIR)zlib.h zconf.h $(SRCDIR)gzguts.h -compress.o example.o minigzip.o uncompr.o: $(SRCDIR)zlib.h zconf.h +compress.o crc32_test.o example.o minigzip.o uncompr.o: $(SRCDIR)zlib.h zconf.h crc32.o: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)crc32.h deflate.o: $(SRCDIR)deflate.h $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h infback.o inflate.o: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)inftrees.h $(SRCDIR)inflate.h $(SRCDIR)inffast.h $(SRCDIR)inffixed.h @@ -417,7 +432,7 @@ trees.o: $(SRCDIR)deflate.h $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)tr adler32.lo zutil.lo: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h gzclose.lo gzlib.lo gzread.lo gzwrite.lo: $(SRCDIR)zlib.h zconf.h $(SRCDIR)gzguts.h -compress.lo example.lo minigzip.lo uncompr.lo: $(SRCDIR)zlib.h zconf.h +compress.lo crc32_test.lo example.lo minigzip.lo uncompr.lo: $(SRCDIR)zlib.h zconf.h crc32.lo: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)crc32.h deflate.lo: $(SRCDIR)deflate.h $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h infback.lo inflate.lo: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)inftrees.h $(SRCDIR)inflate.h $(SRCDIR)inffast.h $(SRCDIR)inffixed.h diff --git a/test/crc32_test.c b/test/crc32_test.c new file mode 100644 index 0000000..5d73128 --- /dev/null +++ b/test/crc32_test.c @@ -0,0 +1,205 @@ +/* crc32_tes.c -- unit test for crc32 in the zlib compression library + * Copyright (C) 1995-2006, 2010, 2011, 2016, 2019 Rogerio Alves + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#include "zlib.h" +#include + +#ifdef STDC +# include +# include +#endif + +void test_crc32 OF((uLong crc, Byte* buf, z_size_t len, uLong chk, int line)); +int main OF((void)); + +typedef struct { + int line; + uLong crc; + Byte* buf; + int len; + uLong expect; +} crc32_test; + +void test_crc32(crc, buf, len, chk, line) + uLong crc; + Byte *buf; + z_size_t len; + uLong chk; + int line; +{ + uLong res = crc32(crc, buf, len); + if (res != chk) { + fprintf(stderr, "FAIL [%d]: crc32 returned 0x%08X expected 0x%08X\n", + line, (unsigned int)res, (unsigned int)chk); + exit(1); + } +} + +static const crc32_test tests[] = { + {__LINE__, 0x0, 0x0, 0, 0x0}, + {__LINE__, 0xffffffff, 0x0, 0, 0x0}, + {__LINE__, 0x0, 0x0, 255, 0x0}, /* BZ 174799. */ + {__LINE__, 0x0, 0x0, 256, 0x0}, + {__LINE__, 0x0, 0x0, 257, 0x0}, + {__LINE__, 0x0, 0x0, 32767, 0x0}, + {__LINE__, 0x0, 0x0, 32768, 0x0}, + {__LINE__, 0x0, 0x0, 32769, 0x0}, + {__LINE__, 0x0, "", 0, 0x0}, + {__LINE__, 0xffffffff, "", 0, 0xffffffff}, + {__LINE__, 0x0, "abacus", 6, 0xc3d7115b}, + {__LINE__, 0x0, "backlog", 7, 0x269205}, + {__LINE__, 0x0, "campfire", 8, 0x22a515f8}, + {__LINE__, 0x0, "delta", 5, 0x9643fed9}, + {__LINE__, 0x0, "executable", 10, 0xd68eda01}, + {__LINE__, 0x0, "file", 4, 0x8c9f3610}, + {__LINE__, 0x0, "greatest", 8, 0xc1abd6cd}, + {__LINE__, 0x0, "hello", 5, 0x3610a686}, + {__LINE__, 0x0, "inverter", 8, 0xc9e962c9}, + {__LINE__, 0x0, "jigsaw", 6, 0xce4e3f69}, + {__LINE__, 0x0, "karate", 6, 0x890be0e2}, + {__LINE__, 0x0, "landscape", 9, 0xc4e0330b}, + {__LINE__, 0x0, "machine", 7, 0x1505df84}, + {__LINE__, 0x0, "nanometer", 9, 0xd4e19f39}, + {__LINE__, 0x0, "oblivion", 8, 0xdae9de77}, + {__LINE__, 0x0, "panama", 6, 0x66b8979c}, + {__LINE__, 0x0, "quest", 5, 0x4317f817}, + {__LINE__, 0x0, "resource", 8, 0xbc91f416}, + {__LINE__, 0x0, "secret", 6, 0x5ca2e8e5}, + {__LINE__, 0x0, "test", 4, 0xd87f7e0c}, + {__LINE__, 0x0, "ultimate", 8, 0x3fc79b0b}, + {__LINE__, 0x0, "vector", 6, 0x1b6e485b}, + {__LINE__, 0x0, "walrus", 6, 0xbe769b97}, + {__LINE__, 0x0, "xeno", 4, 0xe7a06444}, + {__LINE__, 0x0, "yelling", 7, 0xfe3944e5}, + {__LINE__, 0x0, "zlib", 4, 0x73887d3a}, + {__LINE__, 0x0, "4BJD7PocN1VqX0jXVpWB", 20, 0xd487a5a1}, + {__LINE__, 0x0, "F1rPWI7XvDs6nAIRx41l", 20, 0x61a0132e}, + {__LINE__, 0x0, "ldhKlsVkPFOveXgkGtC2", 20, 0xdf02f76}, + {__LINE__, 0x0, "5KKnGOOrs8BvJ35iKTOS", 20, 0x579b2b0a}, + {__LINE__, 0x0, "0l1tw7GOcem06Ddu7yn4", 20, 0xf7d16e2d}, + {__LINE__, 0x0, "MCr47CjPIn9R1IvE1Tm5", 20, 0x731788f5}, + {__LINE__, 0x0, "UcixbzPKTIv0SvILHVdO", 20, 0x7112bb11}, + {__LINE__, 0x0, "dGnAyAhRQDsWw0ESou24", 20, 0xf32a0dac}, + {__LINE__, 0x0, "di0nvmY9UYMYDh0r45XT", 20, 0x625437bb}, + {__LINE__, 0x0, "2XKDwHfAhFsV0RhbqtvH", 20, 0x896930f9}, + {__LINE__, 0x0, "ZhrANFIiIvRnqClIVyeD", 20, 0x8579a37}, + {__LINE__, 0x0, "v7Q9ehzioTOVeDIZioT1", 20, 0x632aa8e0}, + {__LINE__, 0x0, "Yod5hEeKcYqyhfXbhxj2", 20, 0xc829af29}, + {__LINE__, 0x0, "GehSWY2ay4uUKhehXYb0", 20, 0x1b08b7e8}, + {__LINE__, 0x0, "kwytJmq6UqpflV8Y8GoE", 20, 0x4e33b192}, + {__LINE__, 0x0, "70684206568419061514", 20, 0x59a179f0}, + {__LINE__, 0x0, "42015093765128581010", 20, 0xcd1013d7}, + {__LINE__, 0x0, "88214814356148806939", 20, 0xab927546}, + {__LINE__, 0x0, "43472694284527343838", 20, 0x11f3b20c}, + {__LINE__, 0x0, "49769333513942933689", 20, 0xd562d4ca}, + {__LINE__, 0x0, "54979784887993251199", 20, 0x233395f7}, + {__LINE__, 0x0, "58360544869206793220", 20, 0x2d167fd5}, + {__LINE__, 0x0, "27347953487840714234", 20, 0x8b5108ba}, + {__LINE__, 0x0, "07650690295365319082", 20, 0xc46b3cd8}, + {__LINE__, 0x0, "42655507906821911703", 20, 0xc10b2662}, + {__LINE__, 0x0, "29977409200786225655", 20, 0xc9a0f9d2}, + {__LINE__, 0x0, "85181542907229116674", 20, 0x9341357b}, + {__LINE__, 0x0, "87963594337989416799", 20, 0xf0424937}, + {__LINE__, 0x0, "21395988329504168551", 20, 0xd7c4c31f}, + {__LINE__, 0x0, "51991013580943379423", 20, 0xf11edcc4}, + {__LINE__, 0x0, "*]+@!);({_$;}[_},?{?;(_?,=-][@", 30, 0x40795df4}, + {__LINE__, 0x0, "_@:_).&(#.[:[{[:)$++-($_;@[)}+", 30, 0xdd61a631}, + {__LINE__, 0x0, "&[!,[$_==}+.]@!;*(+},[;:)$;)-@", 30, 0xca907a99}, + {__LINE__, 0x0, "]{.[.+?+[[=;[?}_#&;[=)__$$:+=_", 30, 0xf652deac}, + {__LINE__, 0x0, "-%.)=/[@].:.(:,()$;=%@-$?]{%+%", 30, 0xaf39a5a9}, + {__LINE__, 0x0, "+]#$(@&.=:,*];/.!]%/{:){:@(;)$", 30, 0x6bebb4cf}, + {__LINE__, 0x0, ")-._.:?[&:.=+}(*$/=!.${;(=$@!}", 30, 0x76430bac}, + {__LINE__, 0x0, ":(_*&%/[[}+,?#$&*+#[([*-/#;%(]", 30, 0x6c80c388}, + {__LINE__, 0x0, "{[#-;:$/{)(+[}#]/{&!%(@)%:@-$:", 30, 0xd54d977d}, + {__LINE__, 0x0, "_{$*,}(&,@.)):=!/%(&(,,-?$}}}!", 30, 0xe3966ad5}, + {__LINE__, 0x0, "e$98KNzqaV)Y:2X?]77].{gKRD4G5{mHZk,Z)SpU%L3FSgv!Wb8MLAFdi{+fp)c,@8m6v)yXg@]HBDFk?.4&}g5_udE*JHCiH=aL", 100, 0xe7c71db9}, + {__LINE__, 0x0, "r*Fd}ef+5RJQ;+W=4jTR9)R*p!B;]Ed7tkrLi;88U7g@3v!5pk2X6D)vt,.@N8c]@yyEcKi[vwUu@.Ppm@C6%Mv*3Nw}Y,58_aH)", 100, 0xeaa52777}, + {__LINE__, 0x0, "h{bcmdC+a;t+Cf{6Y_dFq-{X4Yu&7uNfVDh?q&_u.UWJU],-GiH7ADzb7-V.Q%4=+v!$L9W+T=bP]$_:]Vyg}A.ygD.r;h-D]m%&", 100, 0xcd472048}, + {__LINE__, 0x7a30360d, "abacus", 6, 0xf8655a84}, + {__LINE__, 0x6fd767ee, "backlog", 7, 0x1ed834b1}, + {__LINE__, 0xefeb7589, "campfire", 8, 0x686cfca}, + {__LINE__, 0x61cf7e6b, "delta", 5, 0x1554e4b1}, + {__LINE__, 0xdc712e2, "executable", 10, 0x761b4254}, + {__LINE__, 0xad23c7fd, "file", 4, 0x7abdd09b}, + {__LINE__, 0x85cb2317, "greatest", 8, 0x4ba91c6b}, + {__LINE__, 0x9eed31b0, "inverter", 8, 0xd5e78ba5}, + {__LINE__, 0xb94f34ca, "jigsaw", 6, 0x23649109}, + {__LINE__, 0xab058a2, "karate", 6, 0xc5591f41}, + {__LINE__, 0x5bff2b7a, "landscape", 9, 0xf10eb644}, + {__LINE__, 0x605c9a5f, "machine", 7, 0xbaa0a636}, + {__LINE__, 0x51bdeea5, "nanometer", 9, 0x6af89afb}, + {__LINE__, 0x85c21c79, "oblivion", 8, 0xecae222b}, + {__LINE__, 0x97216f56, "panama", 6, 0x47dffac4}, + {__LINE__, 0x18444af2, "quest", 5, 0x70c2fe36}, + {__LINE__, 0xbe6ce359, "resource", 8, 0x1471d925}, + {__LINE__, 0x843071f1, "secret", 6, 0x50c9a0db}, + {__LINE__, 0xf2480c60, "ultimate", 8, 0xf973daf8}, + {__LINE__, 0x2d2feb3d, "vector", 6, 0x344ac03d}, + {__LINE__, 0x7490310a, "walrus", 6, 0x6d1408ef}, + {__LINE__, 0x97d247d4, "xeno", 4, 0xe62670b5}, + {__LINE__, 0x93cf7599, "yelling", 7, 0x1b36da38}, + {__LINE__, 0x73c84278, "zlib", 4, 0x6432d127}, + {__LINE__, 0x228a87d1, "4BJD7PocN1VqX0jXVpWB", 20, 0x997107d0}, + {__LINE__, 0xa7a048d0, "F1rPWI7XvDs6nAIRx41l", 20, 0xdc567274}, + {__LINE__, 0x1f0ded40, "ldhKlsVkPFOveXgkGtC2", 20, 0xdcc63870}, + {__LINE__, 0xa804a62f, "5KKnGOOrs8BvJ35iKTOS", 20, 0x6926cffd}, + {__LINE__, 0x508fae6a, "0l1tw7GOcem06Ddu7yn4", 20, 0xb52b38bc}, + {__LINE__, 0xe5adaf4f, "MCr47CjPIn9R1IvE1Tm5", 20, 0xf83b8178}, + {__LINE__, 0x67136a40, "UcixbzPKTIv0SvILHVdO", 20, 0xc5213070}, + {__LINE__, 0xb00c4a10, "dGnAyAhRQDsWw0ESou24", 20, 0xbc7648b0}, + {__LINE__, 0x2e0c84b5, "di0nvmY9UYMYDh0r45XT", 20, 0xd8123a72}, + {__LINE__, 0x81238d44, "2XKDwHfAhFsV0RhbqtvH", 20, 0xd5ac5620}, + {__LINE__, 0xf853aa92, "ZhrANFIiIvRnqClIVyeD", 20, 0xceae099d}, + {__LINE__, 0x5a692325, "v7Q9ehzioTOVeDIZioT1", 20, 0xb07d2b24}, + {__LINE__, 0x3275b9f, "Yod5hEeKcYqyhfXbhxj2", 20, 0x24ce91df}, + {__LINE__, 0x38371feb, "GehSWY2ay4uUKhehXYb0", 20, 0x707b3b30}, + {__LINE__, 0xafc8bf62, "kwytJmq6UqpflV8Y8GoE", 20, 0x16abc6a9}, + {__LINE__, 0x9b07db73, "70684206568419061514", 20, 0xae1fb7b7}, + {__LINE__, 0xe75b214, "42015093765128581010", 20, 0xd4eecd2d}, + {__LINE__, 0x72d0fe6f, "88214814356148806939", 20, 0x4660ec7}, 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30, 0xaccf812f}, + {__LINE__, 0x8a45a2b8, "]{.[.+?+[[=;[?}_#&;[=)__$$:+=_", 30, 0x78af45de}, + {__LINE__, 0xcbe95b78, "-%.)=/[@].:.(:,()$;=%@-$?]{%+%", 30, 0x25b06b59}, + {__LINE__, 0x4ef8a54b, "+]#$(@&.=:,*];/.!]%/{:){:@(;)$", 30, 0x4ba0d08f}, + {__LINE__, 0x76ad267a, ")-._.:?[&:.=+}(*$/=!.${;(=$@!}", 30, 0xe26b6aac}, + {__LINE__, 0x569e613c, ":(_*&%/[[}+,?#$&*+#[([*-/#;%(]", 30, 0x7e2b0a66}, + {__LINE__, 0x36aa61da, "{[#-;:$/{)(+[}#]/{&!%(@)%:@-$:", 30, 0xb3430dc7}, + {__LINE__, 0xf67222df, "_{$*,}(&,@.)):=!/%(&(,,-?$}}}!", 30, 0x626c17a}, + {__LINE__, 0x74b34fd3, "e$98KNzqaV)Y:2X?]77].{gKRD4G5{mHZk,Z)SpU%L3FSgv!Wb8MLAFdi{+fp)c,@8m6v)yXg@]HBDFk?.4&}g5_udE*JHCiH=aL", 100, 0xccf98060}, + {__LINE__, 0x351fd770, "r*Fd}ef+5RJQ;+W=4jTR9)R*p!B;]Ed7tkrLi;88U7g@3v!5pk2X6D)vt,.@N8c]@yyEcKi[vwUu@.Ppm@C6%Mv*3Nw}Y,58_aH)", 100, 0xd8b95312}, + {__LINE__, 0xc45aef77, "h{bcmdC+a;t+Cf{6Y_dFq-{X4Yu&7uNfVDh?q&_u.UWJU],-GiH7ADzb7-V.Q%4=+v!$L9W+T=bP]$_:]Vyg}A.ygD.r;h-D]m%&", 100, 0xbb1c9912}, + 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