On Wed, Aug 25, 2010 at 9:25 AM, Jonathan Nieder <jrnieder@xxxxxxxxx> wrote:
>> +unsigned long compress_object(void **pptr, unsigned long size)
>> +{
>> + z_stream stream;
>> + void *in, *out;
>> + unsigned long maxsize;
>> +
>> + memset(&stream, 0, sizeof(stream));
>> + deflateInit(&stream, Z_DEFAULT_COMPRESSION);
>> + maxsize = deflateBound(&stream, size);
>> +
>> + in = *pptr;
>> + out = xmalloc(maxsize);
>> + *pptr = out;
>> +
>> + stream.next_in = in;
>> + stream.avail_in = size;
>> + stream.next_out = out;
>> + stream.avail_out = maxsize;
>> + while (deflate(&stream, Z_FINISH) == Z_OK)
>> + ; /* nothing */
>> + deflateEnd(&stream);
>> +
>> + return stream.total_out;
>> +}
>
> However, there is nothing particularly specialized to git objects
> about this. e.g. deflate_it() from diff.c could use this.
Also archive-zip.c, fast-import.c, http-push.c and remote-curl.c have
very similar code. I'll see if I can reduce some code duplication.
--
Duy
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