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#include "loader_common.h"
#include <bzlib.h>
#define OUTBUF_SIZE 16384
#define INBUF_SIZE 1024
static int
uncompress_file(FILE * fp, int dest)
{
BZFILE *bf;
DATA8 outbuf[OUTBUF_SIZE];
int bytes, error, ret = 1;
bf = BZ2_bzReadOpen(&error, fp, 0, 0, NULL, 0);
if (error != BZ_OK)
{
BZ2_bzReadClose(NULL, bf);
return 0;
}
while (1)
{
bytes = BZ2_bzRead(&error, bf, &outbuf, OUTBUF_SIZE);
if (error == BZ_OK || error == BZ_STREAM_END)
if (write(dest, outbuf, bytes) != bytes)
break;
if (error == BZ_STREAM_END)
break;
else if (error != BZ_OK)
{
ret = 0;
break;
}
}
BZ2_bzReadClose(&error, bf);
return ret;
}
int
load2(ImlibImage * im, int load_data)
{
ImlibLoader *loader;
int dest, res;
const char *s, *p, *q;
char tmp[] = "/tmp/imlib2_loader_bz2-XXXXXX";
char *real_ext;
/* make sure this file ends in ".bz2" and that there's another ext
* (e.g. "foo.png.bz2") */
for (p = s = im->real_file, q = NULL; *s; s++)
{
if (*s != '.' && *s != '/')
continue;
q = p;
p = s + 1;
}
if (!q || strcasecmp(p, "bz2"))
return 0;
if (!(real_ext = strndup(q, p - q - 1)))
return 0;
loader = __imlib_FindBestLoaderForFormat(real_ext, 0);
free(real_ext);
if (!loader)
return 0;
if ((dest = mkstemp(tmp)) < 0)
return 0;
res = uncompress_file(im->fp, dest);
close(dest);
if (!res)
goto quit;
res = __imlib_LoadEmbedded(loader, im, tmp, load_data);
quit:
unlink(tmp);
return res;
}
void
formats(ImlibLoader * l)
{
static const char *const list_formats[] = { "bz2" };
__imlib_LoaderSetFormats(l, list_formats, ARRAY_SIZE(list_formats));
}
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