1 files changed, 54 insertions, 0 deletions
diff --git a/misc/ttf2woff/comp-zopfli.c b/misc/ttf2woff/comp-zopfli.c
new file mode 100644
index 000000000..3c20498d0
--- /dev/null
+++ b/misc/ttf2woff/comp-zopfli.c
@@ -0,0 +1,54 @@
+/*
+ *	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;
+	}
+}