1 /* 2 * Copyright 2004-2016 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #define APPLINK_STDIN 1 11 #define APPLINK_STDOUT 2 12 #define APPLINK_STDERR 3 13 #define APPLINK_FPRINTF 4 14 #define APPLINK_FGETS 5 15 #define APPLINK_FREAD 6 16 #define APPLINK_FWRITE 7 17 #define APPLINK_FSETMOD 8 18 #define APPLINK_FEOF 9 19 #define APPLINK_FCLOSE 10 /* should not be used */ 20 21 #define APPLINK_FOPEN 11 /* solely for completeness */ 22 #define APPLINK_FSEEK 12 23 #define APPLINK_FTELL 13 24 #define APPLINK_FFLUSH 14 25 #define APPLINK_FERROR 15 26 #define APPLINK_CLEARERR 16 27 #define APPLINK_FILENO 17 /* to be used with below */ 28 29 #define APPLINK_OPEN 18 /* formally can't be used, as flags can vary */ 30 #define APPLINK_READ 19 31 #define APPLINK_WRITE 20 32 #define APPLINK_LSEEK 21 33 #define APPLINK_CLOSE 22 34 #define APPLINK_MAX 22 /* always same as last macro */ 35 36 #ifndef APPMACROS_ONLY 37 # include <stdio.h> 38 # include <io.h> 39 # include <fcntl.h> 40 app_stdin(void)41static void *app_stdin(void) 42 { 43 return stdin; 44 } 45 app_stdout(void)46static void *app_stdout(void) 47 { 48 return stdout; 49 } 50 app_stderr(void)51static void *app_stderr(void) 52 { 53 return stderr; 54 } 55 app_feof(FILE * fp)56static int app_feof(FILE *fp) 57 { 58 return feof(fp); 59 } 60 app_ferror(FILE * fp)61static int app_ferror(FILE *fp) 62 { 63 return ferror(fp); 64 } 65 app_clearerr(FILE * fp)66static void app_clearerr(FILE *fp) 67 { 68 clearerr(fp); 69 } 70 app_fileno(FILE * fp)71static int app_fileno(FILE *fp) 72 { 73 return _fileno(fp); 74 } 75 app_fsetmod(FILE * fp,char mod)76static int app_fsetmod(FILE *fp, char mod) 77 { 78 return _setmode(_fileno(fp), mod == 'b' ? _O_BINARY : _O_TEXT); 79 } 80 81 #ifdef __cplusplus 82 extern "C" { 83 #endif 84 85 __declspec(dllexport) 86 void ** 87 # if defined(__BORLANDC__) 88 /* 89 * __stdcall appears to be the only way to get the name 90 * decoration right with Borland C. Otherwise it works 91 * purely incidentally, as we pass no parameters. 92 */ 93 __stdcall 94 # else 95 __cdecl 96 # endif OPENSSL_Applink(void)97OPENSSL_Applink(void) 98 { 99 static int once = 1; 100 static void *OPENSSL_ApplinkTable[APPLINK_MAX + 1] = 101 { (void *)APPLINK_MAX }; 102 103 if (once) { 104 OPENSSL_ApplinkTable[APPLINK_STDIN] = app_stdin; 105 OPENSSL_ApplinkTable[APPLINK_STDOUT] = app_stdout; 106 OPENSSL_ApplinkTable[APPLINK_STDERR] = app_stderr; 107 OPENSSL_ApplinkTable[APPLINK_FPRINTF] = fprintf; 108 OPENSSL_ApplinkTable[APPLINK_FGETS] = fgets; 109 OPENSSL_ApplinkTable[APPLINK_FREAD] = fread; 110 OPENSSL_ApplinkTable[APPLINK_FWRITE] = fwrite; 111 OPENSSL_ApplinkTable[APPLINK_FSETMOD] = app_fsetmod; 112 OPENSSL_ApplinkTable[APPLINK_FEOF] = app_feof; 113 OPENSSL_ApplinkTable[APPLINK_FCLOSE] = fclose; 114 115 OPENSSL_ApplinkTable[APPLINK_FOPEN] = fopen; 116 OPENSSL_ApplinkTable[APPLINK_FSEEK] = fseek; 117 OPENSSL_ApplinkTable[APPLINK_FTELL] = ftell; 118 OPENSSL_ApplinkTable[APPLINK_FFLUSH] = fflush; 119 OPENSSL_ApplinkTable[APPLINK_FERROR] = app_ferror; 120 OPENSSL_ApplinkTable[APPLINK_CLEARERR] = app_clearerr; 121 OPENSSL_ApplinkTable[APPLINK_FILENO] = app_fileno; 122 123 OPENSSL_ApplinkTable[APPLINK_OPEN] = _open; 124 OPENSSL_ApplinkTable[APPLINK_READ] = _read; 125 OPENSSL_ApplinkTable[APPLINK_WRITE] = _write; 126 OPENSSL_ApplinkTable[APPLINK_LSEEK] = _lseek; 127 OPENSSL_ApplinkTable[APPLINK_CLOSE] = _close; 128 129 once = 0; 130 } 131 132 return OPENSSL_ApplinkTable; 133 } 134 135 #ifdef __cplusplus 136 } 137 #endif 138 #endif 139