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-rw-r--r--programs/Makefile12
-rw-r--r--programs/bench.c4
-rw-r--r--programs/bench.h4
-rwxr-xr-x[-rw-r--r--]programs/datagen.c8
-rw-r--r--programs/lz4cli.c2
-rw-r--r--programs/lz4io.c42
-rw-r--r--programs/lz4io.h2
7 files changed, 51 insertions, 23 deletions
diff --git a/programs/Makefile b/programs/Makefile
index b9bb5b3..f6fbd68 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -146,8 +146,7 @@ test-lz4: lz4 datagen
./datagen -g17M | ./lz4 -9v | ./lz4 -dq > $(VOID)
./datagen -g256MB | ./lz4 -vqB4D | ./lz4 -vdq > $(VOID)
./datagen -g6GB | ./lz4 -vqB5D | ./lz4 -vdq > $(VOID)
-# test frame concatenation with null-length frame
- @echo *** test frame concatenation ***
+ @echo ---- test frame concatenation ----
@echo -n > empty.test
@echo hi > nonempty.test
cat nonempty.test empty.test nonempty.test > orig.test
@@ -158,15 +157,16 @@ test-lz4: lz4 datagen
sdiff orig.test result.test
@rm *.test
@echo frame concatenation test completed
-# test frame concatenation with null-length frame
- @echo *** test multiple input files ***
+ @echo ---- test multiple input files ----
@./datagen -s1 > file1
@./datagen -s2 > file2
@./datagen -s3 > file3
./lz4 -f -m file1 file2 file3
+ ls -l file*
@rm file1 file2 file3 file1.lz4 file2.lz4 file3.lz4
- @echo *** test sparse file support ***
- ./datagen -g50M -P100 | ./lz4 -B4 | ./lz4 -dvX > tmp
+ @echo ---- test sparse file support ----
+ ./datagen -g50M -P100 | ./lz4 -B4D | ./lz4 -dvX > tmp
+ ./datagen -g50M -P100 | diff -s - tmp
ls -ls tmp
@rm tmp
diff --git a/programs/bench.c b/programs/bench.c
index 0ed7fcb..b632314 100644
--- a/programs/bench.c
+++ b/programs/bench.c
@@ -19,8 +19,8 @@
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
You can contact the author at :
- - LZ4 homepage : http://fastcompression.blogspot.com/p/lz4.html
- - LZ4 source repository : http://code.google.com/p/lz4/
+ - LZ4 source repository : https://github.com/Cyan4973/lz4
+ - LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c
*/
/**************************************
diff --git a/programs/bench.h b/programs/bench.h
index 3231727..c04fb17 100644
--- a/programs/bench.h
+++ b/programs/bench.h
@@ -17,8 +17,8 @@
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
You can contact the author at :
- - LZ4 source repository : http://code.google.com/p/lz4/
- - LZ4 public forum : https://group.google.com/forum/#!forum/lz4c
+ - LZ4 source repository : https://github.com/Cyan4973/lz4
+ - LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c
*/
#pragma once
diff --git a/programs/datagen.c b/programs/datagen.c
index 743691e..bccb21e 100644..100755
--- a/programs/datagen.c
+++ b/programs/datagen.c
@@ -137,7 +137,7 @@ void RDG_genBlock(void* buffer, size_t buffSize, size_t prefixSize, double match
while (matchProba >= 1.0)
{
size_t size0 = RDG_rand(seed) & 3;
- size0 = 1U << (16 + size0 * 2);
+ size0 = (size_t)1 << (16 + size0 * 2);
size0 += RDG_rand(seed) & (size0-1); /* because size0 is power of 2*/
if (buffSize < pos + size0)
{
@@ -159,11 +159,11 @@ void RDG_genBlock(void* buffer, size_t buffSize, size_t prefixSize, double match
if (RDG_RAND15BITS < matchProba32)
{
/* Copy (within 32K) */
- int match;
- U32 d;
+ size_t match;
+ size_t d;
int length = RDG_RANDLENGTH + 4;
U32 offset = RDG_RAND15BITS + 1;
- if (offset > pos) offset = pos;
+ if (offset > pos) offset = (U32)pos;
match = pos - offset;
d = pos + length;
if (d > buffSize) d = buffSize;
diff --git a/programs/lz4cli.c b/programs/lz4cli.c
index 7ecfa93..28b7fd6 100644
--- a/programs/lz4cli.c
+++ b/programs/lz4cli.c
@@ -19,7 +19,7 @@
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
You can contact the author at :
- - LZ4 source repository : http://code.google.com/p/lz4/
+ - LZ4 source repository : https://github.com/Cyan4973/lz4
- LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c
*/
/*
diff --git a/programs/lz4io.c b/programs/lz4io.c
index 6e977f1..ebd270e 100644
--- a/programs/lz4io.c
+++ b/programs/lz4io.c
@@ -1,6 +1,7 @@
/*
LZ4io.c - LZ4 File/Stream Interface
Copyright (C) Yann Collet 2011-2015
+
GPL v2 License
This program is free software; you can redistribute it and/or modify
@@ -18,7 +19,7 @@
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
You can contact the author at :
- - LZ4 source repository : http://code.google.com/p/lz4/
+ - LZ4 source repository : https://github.com/Cyan4973/lz4
- LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c
*/
/*
@@ -558,6 +559,7 @@ static unsigned long long decodeLZ4S(FILE* finput, FILE* foutput)
LZ4F_decompressionContext_t ctx;
LZ4F_errorCode_t errorCode;
LZ4F_frameInfo_t frameInfo;
+ unsigned storedSkips = 0;
/* init */
errorCode = LZ4F_createDecompressionContext(&ctx, LZ4F_VERSION);
@@ -608,13 +610,39 @@ static unsigned long long decodeLZ4S(FILE* finput, FILE* foutput)
int seekResult;
for (checked=0; (checked < toCheckLength) && (sPtr[checked] == 0); checked++) ;
skippedLength = checked * sizeof(size_t);
- if (skippedLength == decodedBytes) skippedLength--; /* ensure 1 byte at least is written */
- seekResult = fseek(foutput, skippedLength, SEEK_CUR);
- if (seekResult != 0) EXM_THROW(68, "Skip error (sparse file)\n");
- decodedBytes -= skippedLength;
+ storedSkips += (unsigned)skippedLength;
+ if (storedSkips > 2 GB)
+ {
+ seekResult = fseek(foutput, 2 GB, SEEK_CUR);
+ if (seekResult != 0) EXM_THROW(68, "2 GB skip error (sparse file)\n");
+ storedSkips -= 2 GB;
+ }
+ if (skippedLength != decodedBytes)
+ {
+ seekResult = fseek(foutput, storedSkips, SEEK_CUR);
+ if (seekResult != 0) EXM_THROW(68, "Skip error (sparse file)\n");
+ storedSkips = 0;
+ decodedBytes -= skippedLength;
+ sizeCheck = fwrite(((char*)outBuff) + skippedLength, 1, decodedBytes, foutput);
+ if (sizeCheck != decodedBytes) EXM_THROW(68, "Write error : cannot write decoded block\n");
+ }
}
- sizeCheck = fwrite(outBuff, 1, decodedBytes, foutput);
- if (sizeCheck != decodedBytes) EXM_THROW(68, "Write error : cannot write decoded block\n");
+ else
+ {
+ sizeCheck = fwrite(outBuff, 1, decodedBytes, foutput);
+ if (sizeCheck != decodedBytes) EXM_THROW(68, "Write error : cannot write decoded block\n");
+ }
+ }
+
+ if ((g_sparseFileSupport) && (storedSkips>0))
+ {
+ int seekResult;
+ storedSkips --;
+ seekResult = fseek(foutput, storedSkips, SEEK_CUR);
+ if (seekResult != 0) EXM_THROW(69, "Skip error (sparse file)\n");
+ memset(outBuff, 0, 1);
+ sizeCheck = fwrite(outBuff, 1, 1, foutput);
+ if (sizeCheck != 1) EXM_THROW(69, "Write error : cannot write decoded block\n");
}
/* Free */
diff --git a/programs/lz4io.h b/programs/lz4io.h
index 12c9a6a..2441174 100644
--- a/programs/lz4io.h
+++ b/programs/lz4io.h
@@ -18,7 +18,7 @@
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
You can contact the author at :
- - LZ4 source repository : http://code.google.com/p/lz4/
+ - LZ4 source repository : https://github.com/Cyan4973/lz4
- LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c
*/
/*
generated by cgit v0.12 at 2024-11-07 08:11:55 (GMT)