diff options
Diffstat (limited to 'libs/luanet/src/base64.c')
-rw-r--r-- | libs/luanet/src/base64.c | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/libs/luanet/src/base64.c b/libs/luanet/src/base64.c deleted file mode 100644 index e0c3e7d0e..000000000 --- a/libs/luanet/src/base64.c +++ /dev/null @@ -1,121 +0,0 @@ -/* - * Base64.c - * Copyright (c) 2006 Ryan Martell. (rdm4@martellventures.com) - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include <lua.h> -#include <lualib.h> -#include <lauxlib.h> - - -unsigned char map2[] = -{ - 0x3e, 0xff, 0xff, 0xff, 0x3f, 0x34, 0x35, 0x36, - 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x01, - 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, - 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, - 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1a, 0x1b, - 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, - 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, - 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33 -}; - -int b64_decode(lua_State *L) -{ - int i, v; - unsigned char out[512]; - unsigned char *dst = out; - char *in; - if(lua_gettop(L) != 1) - { - lua_pushstring(L, "invalid arg list"); - lua_error(L); - return 0; - } - in = (char *)lua_tostring (L, 1); - v = 0; - for (i = 0; in[i] && in[i] != '='; i++) { - unsigned int index= in[i]-43; - if (index>=(sizeof(map2)/sizeof(map2[0])) || map2[index] == 0xff) - return -1; - v = (v << 6) + map2[index]; - if (i & 3) { - if (dst - out < 512) { - *dst++ = v >> (6 - 2 * (i & 3)); - } - } - } - if(!(dst - out)) - return 0; - lua_pushlstring(L, (char*)out, dst - out); - return 1; -} - -/***************************************************************************** -* b64_encode: stolen from VLC's http.c -* simplified by michael -* fixed edge cases and made it work from data (vs. strings) by ryan. -*****************************************************************************/ - -int b64_encode(lua_State *L) -{ - static const char b64[] = - "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - char *ret, *dst, *src, tmp[1024]; - unsigned i_bits = 0; - int i_shift = 0; - int bytes_remaining, len; - if(lua_gettop(L) != 1) - { - lua_pushstring(L, "invalid arg list"); - lua_error(L); - return 0; - } - src = (char *)lua_tostring (L, 1); - bytes_remaining = len = strlen(src); - if (len < 512) { - ret = dst = tmp; - } else - return 0; - - if (len) { // special edge case, what should we really do here? - while (bytes_remaining) { - i_bits = (i_bits << 8) + *src++; - bytes_remaining--; - i_shift += 8; - - do { - *dst++ = b64[(i_bits << 6 >> i_shift) & 0x3f]; - i_shift -= 6; - } while (i_shift > 6 || (bytes_remaining == 0 && i_shift > 0)); - } - while ((dst - ret) & 3) - *dst++ = '='; - } - *dst = '\0'; - lua_pushstring(L, tmp); - return 1; -} |