applink.c revision 1.1.1.1.8.1
1#define APPLINK_STDIN 1 2#define APPLINK_STDOUT 2 3#define APPLINK_STDERR 3 4#define APPLINK_FPRINTF 4 5#define APPLINK_FGETS 5 6#define APPLINK_FREAD 6 7#define APPLINK_FWRITE 7 8#define APPLINK_FSETMOD 8 9#define APPLINK_FEOF 9 10#define APPLINK_FCLOSE 10 /* should not be used */ 11 12#define APPLINK_FOPEN 11 /* solely for completeness */ 13#define APPLINK_FSEEK 12 14#define APPLINK_FTELL 13 15#define APPLINK_FFLUSH 14 16#define APPLINK_FERROR 15 17#define APPLINK_CLEARERR 16 18#define APPLINK_FILENO 17 /* to be used with below */ 19 20#define APPLINK_OPEN 18 /* formally can't be used, as flags can vary */ 21#define APPLINK_READ 19 22#define APPLINK_WRITE 20 23#define APPLINK_LSEEK 21 24#define APPLINK_CLOSE 22 25#define APPLINK_MAX 22 /* always same as last macro */ 26 27#ifndef APPMACROS_ONLY 28# include <stdio.h> 29# include <io.h> 30# include <fcntl.h> 31 32static void *app_stdin(void) 33{ 34 return stdin; 35} 36 37static void *app_stdout(void) 38{ 39 return stdout; 40} 41 42static void *app_stderr(void) 43{ 44 return stderr; 45} 46 47static int app_feof(FILE *fp) 48{ 49 return feof(fp); 50} 51 52static int app_ferror(FILE *fp) 53{ 54 return ferror(fp); 55} 56 57static void app_clearerr(FILE *fp) 58{ 59 clearerr(fp); 60} 61 62static int app_fileno(FILE *fp) 63{ 64 return _fileno(fp); 65} 66 67static int app_fsetmod(FILE *fp, char mod) 68{ 69 return _setmode(_fileno(fp), mod == 'b' ? _O_BINARY : _O_TEXT); 70} 71 72#ifdef __cplusplus 73extern "C" { 74#endif 75 76__declspec(dllexport) 77void ** 78# if defined(__BORLANDC__) 79/* 80 * __stdcall appears to be the only way to get the name 81 * decoration right with Borland C. Otherwise it works 82 * purely incidentally, as we pass no parameters. 83 */ 84 __stdcall 85# else 86 __cdecl 87# endif 88OPENSSL_Applink(void) 89{ 90 static int once = 1; 91 static void *OPENSSL_ApplinkTable[APPLINK_MAX + 1] = 92 { (void *)APPLINK_MAX }; 93 94 if (once) { 95 OPENSSL_ApplinkTable[APPLINK_STDIN] = app_stdin; 96 OPENSSL_ApplinkTable[APPLINK_STDOUT] = app_stdout; 97 OPENSSL_ApplinkTable[APPLINK_STDERR] = app_stderr; 98 OPENSSL_ApplinkTable[APPLINK_FPRINTF] = fprintf; 99 OPENSSL_ApplinkTable[APPLINK_FGETS] = fgets; 100 OPENSSL_ApplinkTable[APPLINK_FREAD] = fread; 101 OPENSSL_ApplinkTable[APPLINK_FWRITE] = fwrite; 102 OPENSSL_ApplinkTable[APPLINK_FSETMOD] = app_fsetmod; 103 OPENSSL_ApplinkTable[APPLINK_FEOF] = app_feof; 104 OPENSSL_ApplinkTable[APPLINK_FCLOSE] = fclose; 105 106 OPENSSL_ApplinkTable[APPLINK_FOPEN] = fopen; 107 OPENSSL_ApplinkTable[APPLINK_FSEEK] = fseek; 108 OPENSSL_ApplinkTable[APPLINK_FTELL] = ftell; 109 OPENSSL_ApplinkTable[APPLINK_FFLUSH] = fflush; 110 OPENSSL_ApplinkTable[APPLINK_FERROR] = app_ferror; 111 OPENSSL_ApplinkTable[APPLINK_CLEARERR] = app_clearerr; 112 OPENSSL_ApplinkTable[APPLINK_FILENO] = app_fileno; 113 114 OPENSSL_ApplinkTable[APPLINK_OPEN] = _open; 115 OPENSSL_ApplinkTable[APPLINK_READ] = _read; 116 OPENSSL_ApplinkTable[APPLINK_WRITE] = _write; 117 OPENSSL_ApplinkTable[APPLINK_LSEEK] = _lseek; 118 OPENSSL_ApplinkTable[APPLINK_CLOSE] = _close; 119 120 once = 0; 121 } 122 123 return OPENSSL_ApplinkTable; 124} 125 126#ifdef __cplusplus 127} 128#endif 129#endif 130