applink.c revision 1.1.1.2
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 41static void *app_stdin(void) 42{ 43 return stdin; 44} 45 46static void *app_stdout(void) 47{ 48 return stdout; 49} 50 51static void *app_stderr(void) 52{ 53 return stderr; 54} 55 56static int app_feof(FILE *fp) 57{ 58 return feof(fp); 59} 60 61static int app_ferror(FILE *fp) 62{ 63 return ferror(fp); 64} 65 66static void app_clearerr(FILE *fp) 67{ 68 clearerr(fp); 69} 70 71static int app_fileno(FILE *fp) 72{ 73 return _fileno(fp); 74} 75 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 82extern "C" { 83#endif 84 85__declspec(dllexport) 86void ** 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 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