2 * Copyright 2004-2023 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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
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 */
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 */
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 */
36 #ifndef APPMACROS_ONLY
39 * Normally, do not define APPLINK_NO_INCLUDES. Define it if you are using
40 * symbol preprocessing and do not want the preprocessing to affect the
41 * following included header files. You will need to put these
42 * include lines somewhere in the file that is including applink.c.
44 # ifndef APPLINK_NO_INCLUDES
51 /* _lseek in <io.h> is a function-like macro so we can't take its address */
56 static void *app_stdin(void)
61 static void *app_stdout(void)
66 static void *app_stderr(void)
71 static int app_feof(FILE *fp)
76 static int app_ferror(FILE *fp)
81 static void app_clearerr(FILE *fp)
86 static int app_fileno(FILE *fp)
91 static int app_fsetmod(FILE *fp, char mod)
93 return _setmode(_fileno(fp), mod == 'b' ? _O_BINARY : _O_TEXT);
100 __declspec(dllexport)
102 # if defined(__BORLANDC__)
104 * __stdcall appears to be the only way to get the name
105 * decoration right with Borland C. Otherwise it works
106 * purely incidentally, as we pass no parameters.
112 OPENSSL_Applink(void)
115 static void *OPENSSL_ApplinkTable[APPLINK_MAX + 1] =
116 { (void *)APPLINK_MAX };
119 OPENSSL_ApplinkTable[APPLINK_STDIN] = app_stdin;
120 OPENSSL_ApplinkTable[APPLINK_STDOUT] = app_stdout;
121 OPENSSL_ApplinkTable[APPLINK_STDERR] = app_stderr;
122 OPENSSL_ApplinkTable[APPLINK_FPRINTF] = fprintf;
123 OPENSSL_ApplinkTable[APPLINK_FGETS] = fgets;
124 OPENSSL_ApplinkTable[APPLINK_FREAD] = fread;
125 OPENSSL_ApplinkTable[APPLINK_FWRITE] = fwrite;
126 OPENSSL_ApplinkTable[APPLINK_FSETMOD] = app_fsetmod;
127 OPENSSL_ApplinkTable[APPLINK_FEOF] = app_feof;
128 OPENSSL_ApplinkTable[APPLINK_FCLOSE] = fclose;
130 OPENSSL_ApplinkTable[APPLINK_FOPEN] = fopen;
131 OPENSSL_ApplinkTable[APPLINK_FSEEK] = fseek;
132 OPENSSL_ApplinkTable[APPLINK_FTELL] = ftell;
133 OPENSSL_ApplinkTable[APPLINK_FFLUSH] = fflush;
134 OPENSSL_ApplinkTable[APPLINK_FERROR] = app_ferror;
135 OPENSSL_ApplinkTable[APPLINK_CLEARERR] = app_clearerr;
136 OPENSSL_ApplinkTable[APPLINK_FILENO] = app_fileno;
138 OPENSSL_ApplinkTable[APPLINK_OPEN] = _open;
139 OPENSSL_ApplinkTable[APPLINK_READ] = _read;
140 OPENSSL_ApplinkTable[APPLINK_WRITE] = _write;
141 OPENSSL_ApplinkTable[APPLINK_LSEEK] = _lseek;
142 OPENSSL_ApplinkTable[APPLINK_CLOSE] = _close;
147 return OPENSSL_ApplinkTable;