applink.c revision 1.1
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) { return stdin; } 33static void *app_stdout(void) { return stdout; } 34static void *app_stderr(void) { return stderr; } 35static int app_feof(FILE *fp) { return feof(fp); } 36static int app_ferror(FILE *fp) { return ferror(fp); } 37static void app_clearerr(FILE *fp) { clearerr(fp); } 38static int app_fileno(FILE *fp) { return _fileno(fp); } 39static int app_fsetmod(FILE *fp,char mod) 40{ return _setmode (_fileno(fp),mod=='b'?_O_BINARY:_O_TEXT); } 41 42#ifdef __cplusplus 43extern "C" { 44#endif 45 46__declspec(dllexport) 47void ** 48#if defined(__BORLANDC__) 49__stdcall /* __stdcall appears to be the only way to get the name 50 * decoration right with Borland C. Otherwise it works 51 * purely incidentally, as we pass no parameters. */ 52#else 53__cdecl 54#endif 55OPENSSL_Applink(void) 56{ static int once=1; 57 static void *OPENSSL_ApplinkTable[APPLINK_MAX+1]={(void *)APPLINK_MAX}; 58 59 if (once) 60 { OPENSSL_ApplinkTable[APPLINK_STDIN] = app_stdin; 61 OPENSSL_ApplinkTable[APPLINK_STDOUT] = app_stdout; 62 OPENSSL_ApplinkTable[APPLINK_STDERR] = app_stderr; 63 OPENSSL_ApplinkTable[APPLINK_FPRINTF] = fprintf; 64 OPENSSL_ApplinkTable[APPLINK_FGETS] = fgets; 65 OPENSSL_ApplinkTable[APPLINK_FREAD] = fread; 66 OPENSSL_ApplinkTable[APPLINK_FWRITE] = fwrite; 67 OPENSSL_ApplinkTable[APPLINK_FSETMOD] = app_fsetmod; 68 OPENSSL_ApplinkTable[APPLINK_FEOF] = app_feof; 69 OPENSSL_ApplinkTable[APPLINK_FCLOSE] = fclose; 70 71 OPENSSL_ApplinkTable[APPLINK_FOPEN] = fopen; 72 OPENSSL_ApplinkTable[APPLINK_FSEEK] = fseek; 73 OPENSSL_ApplinkTable[APPLINK_FTELL] = ftell; 74 OPENSSL_ApplinkTable[APPLINK_FFLUSH] = fflush; 75 OPENSSL_ApplinkTable[APPLINK_FERROR] = app_ferror; 76 OPENSSL_ApplinkTable[APPLINK_CLEARERR] = app_clearerr; 77 OPENSSL_ApplinkTable[APPLINK_FILENO] = app_fileno; 78 79 OPENSSL_ApplinkTable[APPLINK_OPEN] = _open; 80 OPENSSL_ApplinkTable[APPLINK_READ] = _read; 81 OPENSSL_ApplinkTable[APPLINK_WRITE] = _write; 82 OPENSSL_ApplinkTable[APPLINK_LSEEK] = _lseek; 83 OPENSSL_ApplinkTable[APPLINK_CLOSE] = _close; 84 85 once = 0; 86 } 87 88 return OPENSSL_ApplinkTable; 89} 90 91#ifdef __cplusplus 92} 93#endif 94#endif 95