diff options
Diffstat (limited to 'src/base64.cpp')
-rw-r--r-- | src/base64.cpp | 63 |
1 files changed, 30 insertions, 33 deletions
diff --git a/src/base64.cpp b/src/base64.cpp index 6d503a53..9a8f6356 100644 --- a/src/base64.cpp +++ b/src/base64.cpp @@ -1,16 +1,27 @@ /* +----------------------------------------------------------------------+ - | PHP version 4.0 | + | PHP HTML Embedded Scripting Language Version 3.0 | +----------------------------------------------------------------------+ - | Copyright (c) 1997, 1998, 1999, 2000 The PHP Group | + | Copyright (c) 1997-2000 PHP Development Team (See Credits file) | +----------------------------------------------------------------------+ - | This source file is subject to version 2.02 of the PHP license, | - | that is bundled with this package in the file LICENSE, and is | - | available at through the world-wide-web at | - | http://www.php.net/license/2_02.txt. | - | If you did not receive a copy of the PHP license and are unable to | - | obtain it through the world-wide-web, please send a note to | - | license@php.net so we can mail you a copy immediately. | + | This program is free software; you can redistribute it and/or modify | + | it under the terms of one of the following licenses: | + | | + | A) the GNU General Public License as published by the Free Software | + | Foundation; either version 2 of the License, or (at your option) | + | any later version. | + | | + | B) the PHP License as published by the PHP Development Team and | + | included in the distribution in the file: LICENSE | + | | + | 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 both licenses referred to here. | + | If you did not, or have any questions about PHP licensing, please | + | contact core@php.net. | +----------------------------------------------------------------------+ | Author: Jim Winstead (jimw@php.net) | +----------------------------------------------------------------------+ @@ -32,8 +43,8 @@ static char base64_table[] = }; static char base64_pad = '='; -unsigned char *php_base64_encode(const unsigned char *str, int length, int *ret_length) { - const unsigned char *current = str; +unsigned char *php3_base64_encode(const unsigned char *string, int length, int *ret_length) { + const unsigned char *current = string; int i = 0; unsigned char *result = (unsigned char *)malloc(((length + 3 - length % 3) * 4 / 3 + 1) * sizeof(char)); @@ -69,27 +80,13 @@ unsigned char *php_base64_encode(const unsigned char *str, int length, int *ret_ } /* as above, but backwards. :) */ -unsigned char *php_base64_decode(const unsigned char *str, int length, int *ret_length) { - const unsigned char *current = str; +unsigned char *php3_base64_decode(const unsigned char *string, int length, int *ret_length) { + const unsigned char *current = string; int ch, i = 0, j = 0, k; - /* this sucks for threaded environments */ - static short reverse_table[256]; - static int table_built; - unsigned char *result; - - if (++table_built == 1) { - char *chp; - for(ch = 0; ch < 256; ch++) { - chp = strchr(base64_table, ch); - if(chp) { - reverse_table[ch] = chp - base64_table; - } else { - reverse_table[ch] = -1; - } - } - } + char *chp; + + unsigned char *result = (unsigned char *)malloc(length + 1); - result = (unsigned char *)malloc(length + 1); if (result == NULL) { return NULL; } @@ -107,8 +104,9 @@ unsigned char *php_base64_decode(const unsigned char *str, int length, int *ret_ if (ch == ' ') ch = '+'; - ch = reverse_table[ch]; - if (ch < 0) continue; + chp = strchr(base64_table, ch); + if (chp == NULL) continue; + ch = chp - base64_table; switch(i % 4) { case 0: @@ -149,4 +147,3 @@ unsigned char *php_base64_decode(const unsigned char *str, int length, int *ret_ result[k] = '\0'; return result; } - |