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/*
* Copyright (C) 2013 Jan Bobrowski <jb@wizard.ae.krakow.pl>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*/
#include <stdlib.h>
#include "ttf2woff.h"
#include "zopfli/zlib_container.c"
#include "zopfli/deflate.c"
#include "zopfli/lz77.c"
#include "zopfli/blocksplitter.c"
#include "zopfli/squeeze.c"
#include "zopfli/hash.c"
#include "zopfli/cache.c"
#include "zopfli/tree.c"
#include "zopfli/util.c"
#include "zopfli/katajainen.c"
#define adler32 zlib_adler32
#include <zlib.h>
char *copression_by = "zopfli";
int zlib_compress(struct buf *out, struct buf *inp)
{
ZopfliOptions opt = {0};
u8 *b=0;
size_t sz=0;
opt.numiterations = 15;
ZopfliZlibCompress(&opt, inp->ptr, inp->len, &b, &sz);
if(REALLY_SMALLER(sz, inp->len)) {
/* Trust, but verify */
uLong tmpl = inp->len;
Bytef *tmpb = my_alloc(inp->len);
int v = uncompress(tmpb, &tmpl, b, sz);
if(v!=Z_OK || tmpl!=inp->len)
errx(3,"Zopfli error");
my_free(tmpb);
out->ptr = b;
out->len = sz;
return 1;
} else {
free(b);
return 0;
}
}
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