Re: [PATCH 02/11] Use new compress helpers in git files

These are the 'easy' ones, where a signgle step
compression is requested so that we can use only
one call to compress_all()

Signed-off-by: Marco Costalba <redacted>
---
 archive-zip.c          |   28 +++-------------------------
 builtin-pack-objects.c |   19 +++----------------
 diff.c                 |   22 +++++-----------------
 index-pack.c           |   20 +++-----------------
 4 files changed, 14 insertions(+), 75 deletions(-)

diff --git a/archive-zip.c b/archive-zip.c
index 74e30f6..9071b86 100644
--- a/archive-zip.c
+++ b/archive-zip.c

@@ -3,6 +3,7 @@
  */
 #include "cache.h"
 #include "commit.h"
+#include "compress.h"
 #include "blob.h"
 #include "tree.h"
 #include "quote.h"

@@ -97,33 +98,10 @@ static void copy_le32(unsigned char *dest, unsigned int n)
 static void *zlib_deflate(void *data, unsigned long size,
                           unsigned long *compressed_size)
 {

...
-	if (result != Z_STREAM_END) {
-		free(buffer);
-		return NULL;
-	}
 
-	deflateEnd(&stream);
-	*compressed_size = stream.total_out;
+	unsigned char *buffer = NULL;
 
+	*compressed_size = compress_all(zlib_compression_level, data, size, &buffer);
 	return buffer;
 }