deimos.openssl.applink source code

1 module deimos.openssl.applink;
2 import core.stdc.stdio;
3 import std.stdio : _fileno, _setmode, _O_BINARY;
4 import core.sys.posix.fcntl;
5 import core.sys.posix.unistd;
6 import core.stdc.stdio;
7 
8 enum APPLINK_STDIN	=1;
9 enum APPLINK_STDOUT	=2;
10 enum APPLINK_STDERR	=3;
11 enum APPLINK_FPRINTF	=4;
12 enum APPLINK_FGETS	=5;
13 enum APPLINK_FREAD	=6;
14 enum APPLINK_FWRITE	=7;
15 enum APPLINK_FSETMOD	=8;
16 enum APPLINK_FEOF	=9;
17 enum APPLINK_FCLOSE 	=10;	/* should not be used */
18 
19 enum APPLINK_FOPEN	=11;	/* solely for completeness */
20 enum APPLINK_FSEEK	=12;
21 enum APPLINK_FTELL	=13;
22 enum APPLINK_FFLUSH	=14;
23 enum APPLINK_FERROR	=15;
24 enum APPLINK_CLEARERR =16;
25 enum APPLINK_FILENO	=17;	/* to be used with below */
26 
27 enum APPLINK_OPEN	=18;	/* formally can't be used, as flags can vary */
28 enum APPLINK_READ	=19;
29 enum APPLINK_WRITE	=20;
30 enum APPLINK_LSEEK	=21;
31 enum APPLINK_CLOSE	=22;
32 enum APPLINK_MAX	=22;	/* always same as last macro */
33 
34 enum _O_TEXT = 0x4000;
35 
36 extern(C)
37 {
38 	void *app_stdin()		
39 	{ 
40 		return cast(void*)stdin;  
41 	}
42 	
43 	void *app_stdout()		
44 	{ 
45 		return cast(void*)stdout; 
46 	}
47 	
48 	void *app_stderr()		
49 	{ 
50 		return cast(void*)stderr; 
51 	}
52 	
53 	int app_feof(FILE *fp)		
54 	{ 
55 		return feof(fp); 
56 	}
57 	
58 	int app_ferror(FILE *fp)	
59 	{ 
60 		return ferror(fp); 
61 	}
62 	
63 	void app_clearerr(FILE *fp)
64 	{ 
65 		clearerr(fp); 
66 	}
67 	
68 	int app_fileno(FILE *fp)	
69 	{ 
70 		return _fileno(fp); 
71 	}
72 	
73 	int app_fsetmod(FILE *fp, char mod)
74 	{ 
75 		return _setmode (_fileno(fp),mod=='b'?_O_BINARY:_O_TEXT); 
76 	}
77 	
78 	__gshared bool once = true;
79 	__gshared void*[APPLINK_MAX+1] OPENSSL_ApplinkTable = cast(void*)APPLINK_MAX;
80 	
81 	export void** OPENSSL_Applink()
82 	{ 
83 		if (once)
84 		{	
85 			OPENSSL_ApplinkTable[APPLINK_STDIN]		= &app_stdin;
86 			OPENSSL_ApplinkTable[APPLINK_STDOUT]	= &app_stdout;
87 			OPENSSL_ApplinkTable[APPLINK_STDERR]	= &app_stderr;
88 			OPENSSL_ApplinkTable[APPLINK_FPRINTF]	= &fprintf;
89 			OPENSSL_ApplinkTable[APPLINK_FGETS]		= &fgets;
90 			OPENSSL_ApplinkTable[APPLINK_FREAD]		= &fread;
91 			OPENSSL_ApplinkTable[APPLINK_FWRITE]	= &fwrite;
92 			OPENSSL_ApplinkTable[APPLINK_FSETMOD]	= &app_fsetmod;
93 			OPENSSL_ApplinkTable[APPLINK_FEOF]		= &app_feof;
94 			OPENSSL_ApplinkTable[APPLINK_FCLOSE]	= &fclose;
95 			
96 			OPENSSL_ApplinkTable[APPLINK_FOPEN]		= &fopen;
97 			OPENSSL_ApplinkTable[APPLINK_FSEEK]		= &fseek;
98 			OPENSSL_ApplinkTable[APPLINK_FTELL]		= &ftell;
99 			OPENSSL_ApplinkTable[APPLINK_FFLUSH]	= &fflush;
100 			OPENSSL_ApplinkTable[APPLINK_FERROR]	= &app_ferror;
101 			OPENSSL_ApplinkTable[APPLINK_CLEARERR]	= &app_clearerr;
102 			OPENSSL_ApplinkTable[APPLINK_FILENO]	= &app_fileno;
103 			
104 			OPENSSL_ApplinkTable[APPLINK_OPEN]		= &fopen;
105 			OPENSSL_ApplinkTable[APPLINK_READ]		= &fread;
106 			OPENSSL_ApplinkTable[APPLINK_WRITE]		= &fwrite;
107 			OPENSSL_ApplinkTable[APPLINK_LSEEK]		= &fseek;
108 			OPENSSL_ApplinkTable[APPLINK_CLOSE]		= &fclose;
109 			
110 			once = false;
111 		}
112 		
113 		return OPENSSL_ApplinkTable.ptr;
114 	}
115 }