mirror of
https://github.com/rsms/inter.git
synced 2024-12-26 09:04:06 +03:00
55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
/*
|
|
* 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;
|
|
}
|
|
}
|