diff options
Diffstat (limited to 'gpxe/src/core/base64.c')
| -rw-r--r-- | gpxe/src/core/base64.c | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/gpxe/src/core/base64.c b/gpxe/src/core/base64.c deleted file mode 100644 index 5619ef7b..00000000 --- a/gpxe/src/core/base64.c +++ /dev/null @@ -1,68 +0,0 @@ -/* - * Copyright (C) 2009 Michael Brown <mbrown@fensystems.co.uk>. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or any later version. - * - * This program 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 - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -#include <stdint.h> -#include <string.h> -#include <assert.h> -#include <gpxe/base64.h> - -/** @file - * - * Base64 encoding - * - */ - -static const char base64[64] = - "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - -/** - * Base64-encode a string - * - * @v raw Raw string - * @v encoded Buffer for encoded string - * - * The buffer must be the correct length for the encoded string. Use - * something like - * - * char buf[ base64_encoded_len ( strlen ( raw ) ) + 1 ]; - * - * (the +1 is for the terminating NUL) to provide a buffer of the - * correct size. - */ -void base64_encode ( const char *raw, char *encoded ) { - const uint8_t *raw_bytes = ( ( const uint8_t * ) raw ); - uint8_t *encoded_bytes = ( ( uint8_t * ) encoded ); - size_t raw_bit_len = ( 8 * strlen ( raw ) ); - unsigned int bit; - unsigned int tmp; - - for ( bit = 0 ; bit < raw_bit_len ; bit += 6 ) { - tmp = ( ( raw_bytes[ bit / 8 ] << ( bit % 8 ) ) | - ( raw_bytes[ bit / 8 + 1 ] >> ( 8 - ( bit % 8 ) ) ) ); - tmp = ( ( tmp >> 2 ) & 0x3f ); - *(encoded_bytes++) = base64[tmp]; - } - for ( ; ( bit % 8 ) != 0 ; bit += 6 ) - *(encoded_bytes++) = '='; - *(encoded_bytes++) = '\0'; - - DBG ( "Base64-encoded \"%s\" as \"%s\"\n", raw, encoded ); - assert ( strlen ( encoded ) == base64_encoded_len ( strlen ( raw ) ) ); -} |