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// Copyright (C) 2006 Timothy Brownawell <tbrownaw@gmail.com>
//
// This program is made available under the GNU GPL version 2.0 or
// greater. See the accompanying file COPYING for details.
//
// This program is distributed WITHOUT ANY WARRANTY; without even the
// implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
// PURPOSE.
#include "base.hh"
#include "lua.hh"
#include <fstream>
#include "file_io.hh"
using std::ifstream;
using std::ios_base;
using std::string;
LUAEXT(guess_binary_file_contents, )
{
const char *path = luaL_checkstring(LS, 1);
ifstream file(path, ios_base::binary);
if (!file)
{
lua_pushnil(LS);
return 1;
}
const int bufsize = 8192;
char tmpbuf[bufsize];
string buf;
while (file.read(tmpbuf, sizeof tmpbuf))
{
I(file.gcount() <= static_cast<int>(sizeof tmpbuf));
buf.assign(tmpbuf, file.gcount());
if (guess_binary(buf))
{
lua_pushboolean(LS, true);
return 1;
}
}
lua_pushboolean(LS, false);
return 1;
}
// Local Variables:
// mode: C++
// fill-column: 76
// c-file-style: "gnu"
// indent-tabs-mode: nil
// End:
// vim: et:sw=2:sts=2:ts=2:cino=>2s,{s,\:s,+s,t0,g0,^-2,e-2,n-2,p2s,(0,=s:
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