Framework for glueing BIO layer and Win32 compiler run-time. Goal is to

make it possible to produce for a unified binary build, which can be
used with a variety of Win32 compilers.

1 files changed, 45 insertions, 0 deletions

diff --git a/ms/applink.c b/ms/applink.c
new file mode 100644
index 0000000000..4333d2639d
--- /dev/null
+++ b/ms/applink.c
@@ -0,0 +1,45 @@
+#define APPLINK_STDIN	1
+#define APPLINK_STDOUT	2
+#define APPLINK_STDERR	3
+#define APPLINK_FPRINTF	4
+#define APPLINK_FGETS	5
+#define APPLINK_FREAD	6
+#define APPLINK_FWRITE	7
+#define APPLINK_FSETMOD	8
+#define APPLINK_FEOF	9
+#define APPLINK_FCLOSE 	10	/* should not be used */
+#define APPLINK_MAX	10	/* always same as last macro */
+
+#ifndef APPMACROS_ONLY
+#include <stdio.h>
+#include <io.h>
+#include <fcntl.h>
+
+static void *app_stdin()	{ return stdin;  }
+static void *app_stdout()	{ return stdout; }
+static void *app_stderr()	{ return stderr; }
+static int   app_feof(FILE *fp)	{ return feof(fp); }
+static int   app_fsetmod(FILE *fp,char mod)
+{ return _setmode (_fileno(fp),mod=='b'?_O_BINARY:_O_TEXT); }
+
+__declspec(dllexport) void **OPENSSL_Applink()
+{ static int once=1;
+  static void *OPENSSL_ApplinkTable[APPLINK_MAX+1]={(void *)APPLINK_MAX};
+
+    if (once)
+    {	OPENSSL_ApplinkTable[APPLINK_STDIN]	= app_stdin;
+	OPENSSL_ApplinkTable[APPLINK_STDOUT]	= app_stdout;
+	OPENSSL_ApplinkTable[APPLINK_STDERR]	= app_stderr;
+	OPENSSL_ApplinkTable[APPLINK_FPRINTF]	= fprintf;
+	OPENSSL_ApplinkTable[APPLINK_FGETS]	= fgets;
+	OPENSSL_ApplinkTable[APPLINK_FREAD]	= fread;
+	OPENSSL_ApplinkTable[APPLINK_FWRITE]	= fwrite;
+	OPENSSL_ApplinkTable[APPLINK_FSETMOD]	= app_fsetmod;
+	OPENSSL_ApplinkTable[APPLINK_FEOF]	= app_feof;
+	OPENSSL_ApplinkTable[APPLINK_FCLOSE]	= fclose;
+	once = 0;
+    }
+
+  return OPENSSL_ApplinkTable;
+}
+#endif