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inter/misc/ttf2woff/comp-zlib.c
2017-08-22 02:23:08 -07:00

35 lines
660 B
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 <zlib.h>
#include "ttf2woff.h"
char *copression_by = "zlib";
int zlib_compress(struct buf *out, struct buf *inp)
{
u8 *b;
int v;
uLongf len;
len = inp->len;
b = my_alloc(inp->len);
v = compress2(b,&len, inp->ptr,inp->len, 9);
if(v==Z_OK && REALLY_SMALLER(len, inp->len)) {
out->ptr = b;
out->len = len;
return 1;
} else {
my_free(b);
return 0;
}
}