1 files changed, 61 insertions, 0 deletions
diff --git a/archivers/liblz4/files/patch-programs_lz4io.c b/archivers/liblz4/files/patch-programs_lz4io.c
new file mode 100644
index 000000000000..7e29ee8c3f37
--- /dev/null
+++ b/archivers/liblz4/files/patch-programs_lz4io.c
@@ -0,0 +1,61 @@
+--- programs/lz4io.c.orig	2015-05-07 11:23:39 UTC
++++ programs/lz4io.c
+@@ -303,6 +303,12 @@ static int LZ4IO_getFiles(const char* in
+ 
+     if ( *pfoutput==0) EXM_THROW(13, "Pb opening %s", output_filename);
+ 
++    if (g_sparseFileSupport)
++    {
++        long int ftr = ftell(*pfoutput);
++        if (ftr==-1) g_sparseFileSupport = 0;
++    }
++
+     return 0;
+ }
+ 
+@@ -639,7 +645,7 @@ static unsigned LZ4IO_fwriteSparse(FILE*
+     if (!g_sparseFileSupport)   /* normal write */
+     {
+         size_t sizeCheck = fwrite(buffer, 1, bufferSize, file);
+-        if (sizeCheck != bufferSize) EXM_THROW(68, "Write error : cannot write decoded block");
++        if (sizeCheck != bufferSize) EXM_THROW(70, "Write error : cannot write decoded block");
+         return 0;
+     }
+ 
+@@ -647,7 +653,7 @@ static unsigned LZ4IO_fwriteSparse(FILE*
+     if (storedSkips > 1 GB)
+     {
+         int seekResult = fseek(file, 1 GB, SEEK_CUR);
+-        if (seekResult != 0) EXM_THROW(68, "1 GB skip error (sparse file support)");
++        if (seekResult != 0) EXM_THROW(71, "1 GB skip error (sparse file support)");
+         storedSkips -= 1 GB;
+     }
+ 
+@@ -667,12 +673,12 @@ static unsigned LZ4IO_fwriteSparse(FILE*
+         {
+             size_t sizeCheck;
+             seekResult = fseek(file, storedSkips, SEEK_CUR);
+-            if (seekResult) EXM_THROW(68, "Skip error (sparse file)");
++            if (seekResult) EXM_THROW(72, "Skip error (sparse file)");
+             storedSkips = 0;
+             seg0SizeT -= nb0T;
+             ptrT += nb0T;
+             sizeCheck = fwrite(ptrT, sizeT, seg0SizeT, file);
+-            if (sizeCheck != seg0SizeT) EXM_THROW(68, "Write error : cannot write decoded block");
++            if (sizeCheck != seg0SizeT) EXM_THROW(73, "Write error : cannot write decoded block");
+         }
+         ptrT += seg0SizeT;
+     }
+@@ -689,10 +695,10 @@ static unsigned LZ4IO_fwriteSparse(FILE*
+         {
+             size_t sizeCheck;
+             int seekResult = fseek(file, storedSkips, SEEK_CUR);
+-            if (seekResult) EXM_THROW(68, "Skip error (end of block)");
++            if (seekResult) EXM_THROW(74, "Skip error (end of block)");
+             storedSkips = 0;
+             sizeCheck = fwrite(restPtr, 1, restEnd - restPtr, file);
+-            if (sizeCheck != (size_t)(restEnd - restPtr)) EXM_THROW(68, "Write error : cannot write decoded end of block");
++            if (sizeCheck != (size_t)(restEnd - restPtr)) EXM_THROW(75, "Write error : cannot write decoded end of block");
+         }
+     }
+