/**
?*?Copyright?（c）?2006-2008?Apple?Inc.?All?rights?reserved.
?*
?*?Licensed?under?the?Apache?License?Version?2.0?（the?“License“）;
?*?you?may?not?use?this?file?except?in?compliance?with?the?License.
?*?You?may?obtain?a?copy?of?the?License?at
?*
?*?????http://www.apache.org/licenses/LICENSE-2.0
?*
?*?Unless?required?by?applicable?law?or?agreed?to?in?writing?software
?*?distributed?under?the?License?is?distributed?on?an?“AS?IS“?BASIS
?*?WITHOUT?WARRANTIES?OR?CONDITIONS?OF?ANY?KIND?either?express?or?implied.
?*?See?the?License?for?the?specific?language?governing?permissions?and
?*?limitations?under?the?License.
?**/

#include?“base64.h“

#include?
#include?
#include?
#include?

void?die2（const?char?*message）?{
??if（errno）?{
????perror（message）;
??}?else?{
????printf（“ERROR:?%s\n“?message）;
??}

??exit（1）;
}

//?base64?tables
static?char?basis_64[]?=
????“ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/“;
static?signed?char?index_64[128]?=
{
????-1-1-1-1?-1-1-1-1?-1-1-1-1?-1-1-1-1
????-1-1-1-1?-1-1-1-1?-1-1-1-1?-1-1-1-1
????-1-1-1-1?-1-1-1-1?-1-1-162?-1-1-163
????52535455?56575859?6061-1-1?-1-1-1-1
????-1?0?1?2??3?4?5?6??7?8?910?11121314
????15161718?19202122?232425-1?-1-1-1-1
????-1262728?29303132?33343536?37383940
????41424344?45464748?495051-1?-1-1-1-1
};
#define?CHAR64（c）??（（（c）??127）???-1?:?index_64[（c）]）

//?base64_encode????:????base64?encode
//
//?value????????????:????data?to?encode
//?vlen?????????????:????length?of?data
//?（result）?????????:????new?char[]?-?c-str?of?result
char?*base64_encode（const?unsigned?char?*value?int?vlen）
{
????char?*result?=?（char?*）malloc（（vlen?*?4）?/?3?+?5）;
????if（result?==?NULL）?die2（“Memory?allocation?failed“）;
????char?*out?=?result;
????while?（vlen?>=?3）
????{
????????*out++?=?basis_64[value[0]?>>?2];
????????*out++?=?basis_64[（（value[0]?<>?4）];
????????*out++?=?basis_64[（（value[1]?<>?6）];
????????*out++?=?basis_64[value[2]?&?0x3F];
????????value?+=?3;
????????vlen?-=?3;
????}
????if?（vlen?>?0）
????{
????????*out++?=?basis_64[value[0]?>>?2];
????????unsigned?char?oval?=?（value[0]?<????????if?（vlen?>?1）?oval?|=?value[1]?>>?4;
????????*out++?=?basis_64[oval];
????????*out++?=?（vlen?????????*out++?=?‘=‘;
????}
????*out?=?‘\0‘;

????return?result;
}

//?base64_decode????:????base64?decode
//
//?value????????????:????c-str?to?decode
//?rlen?????????????:????length?of?decoded?result
//?（result）?????????:????new?unsigned?char[]?-?decoded?result
unsigned?char?*base64_decode（const?char?*value?int?*rlen）
{
????*rlen?=?0;
????int?c1?c2?c3?c4;

????int?vlen?=?strlen（value）;
????unsigned?char?*result?=（unsigned?char?*）malloc（（vlen?*?3）?/?4?+?1）;
????if（result?==?NULL）?die2（“Memory?allocation?failed“）;????
????u

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-01-06?09:45??mongooseTest\
?????文件????????6148??2015-11-20?08:52??mongooseTest\.DS_Store
?????目錄???????????0??2016-01-06?09:17??mongooseTest\.idea\
?????文件???????????5??2015-11-17?09:35??mongooseTest\.idea\.name
?????文件?????????448??2015-11-17?13:56??mongooseTest\.idea\E-WEB.iml
?????文件?????????263??2015-11-20?10:06??mongooseTest\.idea\jsLibraryMappings.xml
?????目錄???????????0??2016-01-06?09:17??mongooseTest\.idea\libraries\
?????文件?????????413??2015-11-17?13:56??mongooseTest\.idea\libraries\E_WEB_node_modules.xml
?????文件?????????599??2015-11-17?09:35??mongooseTest\.idea\misc.xml
?????文件?????????262??2015-11-17?09:35??mongooseTest\.idea\modules.xml
?????目錄???????????0??2016-01-06?09:17??mongooseTest\.idea\runConfigurations\
?????文件?????????394??2015-11-20?10:26??mongooseTest\.idea\runConfigurations\bin_www.xml
?????文件?????????164??2015-11-17?09:35??mongooseTest\.idea\vcs.xml
?????文件?????????143??2015-11-17?13:47??mongooseTest\.idea\watcherTasks.xml
?????文件???????37964??2016-01-06?13:51??mongooseTest\.idea\workspace.xml
?????文件?????????854??2016-01-06?09:45??mongooseTest\app.js
?????目錄???????????0??2016-01-06?09:43??mongooseTest\bin\
?????文件????????1592??2016-01-06?09:43??mongooseTest\bin\www
?????目錄???????????0??2016-01-06?09:17??mongooseTest\node_modules\
?????目錄???????????0??2016-01-06?09:17??mongooseTest\node_modules\.bin\
?????文件??????????19??2015-11-17?09:35??mongooseTest\node_modules\.bin\jade
?????目錄???????????0??2016-01-06?09:17??mongooseTest\node_modules\body-parser\
?????文件????????9140??2015-08-01?02:59??mongooseTest\node_modules\body-parser\HISTORY.md
?????文件????????2649??2015-06-15?07:07??mongooseTest\node_modules\body-parser\index.js
?????目錄???????????0??2016-01-06?09:17??mongooseTest\node_modules\body-parser\lib\
?????文件????????3512??2015-06-15?08:13??mongooseTest\node_modules\body-parser\lib\read.js
?????目錄???????????0??2016-01-06?09:17??mongooseTest\node_modules\body-parser\lib\types\
?????文件????????3608??2015-06-15?07:17??mongooseTest\node_modules\body-parser\lib\types\json.js
?????文件????????1847??2015-06-15?06:42??mongooseTest\node_modules\body-parser\lib\types\raw.js
?????文件????????2238??2015-06-15?07:16??mongooseTest\node_modules\body-parser\lib\types\text.js
?????文件????????5414??2015-07-06?11:13??mongooseTest\node_modules\body-parser\lib\types\urlencoded.js
............此處省略2405個文件信息