Created
January 8, 2013 07:31
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簡易base64エンコーダ/デコーダ
Sugarlessライブラリ http://ishibasystems.ikaduchi.com/downloads/d_8/main.html 使用
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| #include <stdio.h> | |
| #include "base64.h" | |
| #include "sdim.h" | |
| //Sugarlessライブラリ 著作者 石橋祥太 / 藤代晴嵐 使用 | |
| #define VER 01 | |
| void pf(void); | |
| int main(int argc, char *argv[]){ | |
| int num; | |
| int sum; | |
| char *str; | |
| char *ind; | |
| int i; | |
| if(argc==1){ | |
| pf(); | |
| return 1; | |
| } | |
| if(argc<=2){ | |
| if(strcmp(argv[1],"--help")==0 && argc!=2 || strcmp(argv[1],"-v")==0 && argc!=2){ | |
| sum=1; | |
| } | |
| if(strcmp(argv[1],"-e")!=0 && strcmp(argv[1],"-d")!=0 && strcmp(argv[1],"-v")!=0 && strcmp(argv[1],"--help")!=0){ | |
| sum=2; | |
| } | |
| //-v | |
| if(strcmp(argv[1],"-v")==0){ | |
| printf("Ver.0.0%d\n", VER); | |
| return 0; | |
| } | |
| } | |
| if(argc!=3){ | |
| if(strcmp(argv[1],"-e")==0 || strcmp(argv[1],"-d")==0){ | |
| sum=2; | |
| } | |
| if(argc!=0 && sum==1){ | |
| printf("引数の数が不正です\n"); | |
| } | |
| else if(argc!=0 && sum==2){ | |
| printf("オプションが不正です\n"); | |
| } | |
| pf(); | |
| printf("終了します\n"); | |
| return argc; | |
| } | |
| else{ | |
| if(strcmp(argv[1],"-e")==0){ | |
| str=c2b(argv[2], strlen(argv[2]), 0); | |
| num=1; | |
| } | |
| else if(strcmp(argv[1],"-d")==0){ | |
| str=b2c(argv[2]); | |
| if(str==NULL){ | |
| printf("文字列のデコードに失敗しました\n"); | |
| return 3; | |
| } | |
| num=2; | |
| } | |
| //ステータス | |
| switch(num){ | |
| case 1: | |
| ind="Encode"; | |
| break; | |
| case 2: | |
| ind="Decode"; | |
| break; | |
| } | |
| printf("INPUT STRING:%s\n", argv[2]); | |
| printf("MODE:%s\n", ind); | |
| printf("RESULT:%s\n", str); | |
| free(str); | |
| } | |
| printf("COMPLETE\n"); | |
| return 0; | |
| } | |
| void pf(void){ | |
| printf("簡易base64エンコーダ/デコーダ VER:0.0%d\n", VER); | |
| printf("作者:α改\n\n"); | |
| printf("使用方法:\n"); | |
| printf("base64 [Option] [String]\n"); | |
| printf("[Option]:\n"); | |
| printf("-e : 文字列/ファイルのエンコード\n"); | |
| printf("-d : 文字列/ファイルのデコード\n"); | |
| printf("--help : 使い方表示(現在の出力と同じです)\n"); | |
| printf("-v : バージョン情報\n"); | |
| } |
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