AuroraMiddleware/zstd
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can build without legacy support using ZSTD_LEGACY=disable

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This commit is contained in:
Yann Collet 2015-11-27 16:18:56 +01:00
parent 800fa6c378
commit b096cbf0d2
2 changed files with 35 additions and 33 deletions
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46
programs/Makefile
View File

@ -34,7 +34,7 @@ VERSION?= 0.4.0
DESTDIR?=
PREFIX ?= /usr/local
CPPFLAGS= -I../lib -I../lib/legacy -I./legacy -DZSTD_VERSION=\"$(VERSION)\" -DZSTD_LEGACY_SUPPORT=1
CPPFLAGS= -I../lib -DZSTD_VERSION=\"$(VERSION)\"
CFLAGS ?= -O3 # -falign-loops=32 # not always beneficial
CFLAGS += -std=c99 -Wall -Wextra -Wundef -Wshadow -Wcast-qual -Wcast-align -Wstrict-prototypes
FLAGS = $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $(MOREFLAGS)
@ -43,6 +43,17 @@ BINDIR = $(PREFIX)/bin
MANDIR = $(PREFIX)/share/man/man1
ZSTDDIR = ../lib
ZSTD_FILES = $(ZSTDDIR)/zstd_compress.c $(ZSTDDIR)/zstd_decompress.c $(ZSTDDIR)/fse.c $(ZSTDDIR)/huff0.c
ZSTD_LEGACY = $(ZSTDDIR)/legacy/zstd_v01.c $(ZSTDDIR)/legacy/zstd_v02.c $(ZSTDDIR)/legacy/zstd_v03.c
ifeq ($(ZSTD_LEGACY),disable)
CPPFLAGS += -DZSTD_LEGACY_SUPPORT=0
else
ZSTD_FILES+= $(ZSTD_LEGACY)
CPPFLAGS += -I../lib/legacy -I./legacy -DZSTD_LEGACY_SUPPORT=1
ZSTD_FILEIO_LEGACY = legacy/fileio_legacy.c
endif
# Define *.exe as extension for Windows systems
ifneq (,$(filter Windows%,$(OS)))
@ -61,48 +72,39 @@ default: zstd
all: zstd zstd32 fullbench fullbench32 fuzzer fuzzer32 zbufftest zbufftest32 paramgrill datagen
zstd: $(ZSTDDIR)/zstd_compress.c $(ZSTDDIR)/zstd_decompress.c $(ZSTDDIR)/fse.c $(ZSTDDIR)/huff0.c $(ZSTDDIR)/zstd_buffered.c \
$(ZSTDDIR)/legacy/zstd_v01.c $(ZSTDDIR)/legacy/zstd_v02.c $(ZSTDDIR)/legacy/zstd_v03.c \
xxhash.c bench.c fileio.c zstdcli.c legacy/fileio_legacy.c
zstd : $(ZSTD_FILES) $(ZSTDDIR)/zstd_buffered.c \
xxhash.c bench.c fileio.c zstdcli.c $(ZSTD_FILEIO_LEGACY)
$(CC) $(FLAGS) $^ -o $@$(EXT)
zstd32: $(ZSTDDIR)/zstd_compress.c $(ZSTDDIR)/zstd_decompress.c $(ZSTDDIR)/fse.c $(ZSTDDIR)/huff0.c $(ZSTDDIR)/zstd_buffered.c \
$(ZSTDDIR)/legacy/zstd_v01.c $(ZSTDDIR)/legacy/zstd_v02.c $(ZSTDDIR)/legacy/zstd_v03.c \
xxhash.c bench.c fileio.c zstdcli.c legacy/fileio_legacy.c
zstd32: $(ZSTD_FILES) $(ZSTDDIR)/zstd_buffered.c \
xxhash.c bench.c fileio.c zstdcli.c $(ZSTD_FILEIO_LEGACY)
$(CC) -m32 $(FLAGS) $^ -o $@$(EXT)
fullbench : $(ZSTDDIR)/zstd_compress.c $(ZSTDDIR)/zstd_decompress.c $(ZSTDDIR)/fse.c $(ZSTDDIR)/huff0.c \
$(ZSTDDIR)/legacy/zstd_v01.c $(ZSTDDIR)/legacy/zstd_v02.c $(ZSTDDIR)/legacy/zstd_v03.c \
datagen.c fullbench.c
fullbench : $(ZSTD_FILES) \
datagen.c fullbench.c
$(CC) $(FLAGS) $^ -o $@$(EXT)
fullbench32: $(ZSTDDIR)/zstd_compress.c $(ZSTDDIR)/zstd_decompress.c $(ZSTDDIR)/fse.c $(ZSTDDIR)/huff0.c \
$(ZSTDDIR)/legacy/zstd_v01.c $(ZSTDDIR)/legacy/zstd_v02.c $(ZSTDDIR)/legacy/zstd_v03.c \
fullbench32: $(ZSTD_FILES) \
datagen.c fullbench.c
$(CC) -m32 $(FLAGS) $^ -o $@$(EXT)
fuzzer : $(ZSTDDIR)/zstd_compress.c $(ZSTDDIR)/zstd_decompress.c $(ZSTDDIR)/fse.c $(ZSTDDIR)/huff0.c \
$(ZSTDDIR)/legacy/zstd_v01.c $(ZSTDDIR)/legacy/zstd_v02.c $(ZSTDDIR)/legacy/zstd_v03.c \
fuzzer : $(ZSTD_FILES) \
datagen.c xxhash.c fuzzer.c
$(CC) $(FLAGS) $^ -o $@$(EXT)
fuzzer32: $(ZSTDDIR)/zstd_compress.c $(ZSTDDIR)/zstd_decompress.c $(ZSTDDIR)/fse.c $(ZSTDDIR)/huff0.c \
$(ZSTDDIR)/legacy/zstd_v01.c $(ZSTDDIR)/legacy/zstd_v02.c $(ZSTDDIR)/legacy/zstd_v03.c \
fuzzer32: $(ZSTD_FILES) \
datagen.c xxhash.c fuzzer.c
$(CC) -m32 $(FLAGS) $^ -o $@$(EXT)
zbufftest : $(ZSTDDIR)/zstd_compress.c $(ZSTDDIR)/zstd_decompress.c $(ZSTDDIR)/zstd_buffered.c $(ZSTDDIR)/fse.c $(ZSTDDIR)/huff0.c \
$(ZSTDDIR)/legacy/zstd_v01.c $(ZSTDDIR)/legacy/zstd_v02.c $(ZSTDDIR)/legacy/zstd_v03.c \
zbufftest : $(ZSTD_FILES) $(ZSTDDIR)/zstd_buffered.c \
datagen.c xxhash.c zbufftest.c
$(CC) $(FLAGS) $^ -o $@$(EXT)
zbufftest32: $(ZSTDDIR)/zstd_compress.c $(ZSTDDIR)/zstd_decompress.c $(ZSTDDIR)/zstd_buffered.c $(ZSTDDIR)/fse.c $(ZSTDDIR)/huff0.c \
$(ZSTDDIR)/legacy/zstd_v01.c $(ZSTDDIR)/legacy/zstd_v02.c $(ZSTDDIR)/legacy/zstd_v03.c \
zbufftest32: $(ZSTD_FILES) $(ZSTDDIR)/zstd_buffered.c \
datagen.c xxhash.c zbufftest.c
$(CC) -m32 $(FLAGS) $^ -o $@$(EXT)
paramgrill : $(ZSTDDIR)/zstd_compress.c $(ZSTDDIR)/zstd_decompress.c $(ZSTDDIR)/fse.c $(ZSTDDIR)/huff0.c \
$(ZSTDDIR)/legacy/zstd_v01.c $(ZSTDDIR)/legacy/zstd_v02.c $(ZSTDDIR)/legacy/zstd_v03.c \
paramgrill : $(ZSTD_FILES) \
datagen.c xxhash.c paramgrill.c
$(CC) $(FLAGS) $^ -lm -o $@$(EXT)

22
programs/fileio.c
View File

@ -368,7 +368,6 @@ unsigned long long FIO_decompressFilename(const char* output_filename, const cha
size_t outBuffSize = ZBUFF_recommendedDOutSize();
U64 filesize = 0;
size_t toRead;
size_t sizeCheck;
/* Init */
@ -383,20 +382,21 @@ unsigned long long FIO_decompressFilename(const char* output_filename, const cha
/* for each frame */
for ( ; ; )
{
U32 magicNumber;
toRead = 0;
#if defined(ZSTD_LEGACY_SUPPORT) && (ZSTD_LEGACY_SUPPORT==1)
/* check magic number -> version */
toRead = 4;
sizeCheck = fread(inBuff, (size_t)1, toRead, finput);
if (sizeCheck==0) break; /* no more input */
if (sizeCheck != toRead) EXM_THROW(31, "Read error : cannot read header");
magicNumber = MEM_readLE32(inBuff);
if (ZSTD_isLegacy(magicNumber))
{
filesize += FIO_decompressLegacyFrame(foutput, finput, magicNumber);
continue;
size_t sizeCheck;
/* check magic number -> version */
toRead = 4;
sizeCheck = fread(inBuff, (size_t)1, toRead, finput);
if (sizeCheck==0) break; /* no more input */
if (sizeCheck != toRead) EXM_THROW(31, "Read error : cannot read header");
if (ZSTD_isLegacy(MEM_readLE32(inBuff)))
{
filesize += FIO_decompressLegacyFrame(foutput, finput, MEM_readLE32(inBuff));
continue;
}
}
#endif /* ZSTD_LEGACY_SUPPORT */