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(Rzlib) Included uncompress

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This commit is contained in:
Twinaphex 2012-06-02 14:36:46 +02:00
parent e00edebc98
commit ddb03333e3
1 changed files with 33 additions and 0 deletions
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33
console/rzlib/rzlib.c
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@ -3398,3 +3398,36 @@ extern int unzSetOffset (unzFile file, unsigned long pos)
s->current_file_ok = (err == UNZ_OK);
return err;
}
int uncompress (unsigned char *dest, unsigned int *destLen, const unsigned char *source, unsigned int sourceLen)
{
z_stream stream;
int err;
stream.next_in = (unsigned char*)source;
stream.avail_in = (unsigned int)sourceLen;
/* Check for source > 64K on 16-bit machine: */
if ((unsigned int)stream.avail_in != sourceLen) return Z_BUF_ERROR;
stream.next_out = dest;
stream.avail_out = (unsigned int)*destLen;
if ((unsigned int)stream.avail_out != *destLen) return Z_BUF_ERROR;
stream.zalloc = (alloc_func)0;
stream.zfree = (free_func)0;
err = inflateInit(&stream);
if (err != Z_OK) return err;
err = inflate(&stream, Z_FINISH);
if (err != Z_STREAM_END) {
inflateEnd(&stream);
if (err == Z_NEED_DICT || (err == Z_BUF_ERROR && stream.avail_in == 0))
return Z_DATA_ERROR;
return err;
}
*destLen = stream.total_out;
err = inflateEnd(&stream);
return err;
}