Compiling under Cygwin now.

[pdclib] / platform / example_cygwin / functions / _PDCLIB / stdinit.c

diff --git a/platform/example_cygwin/functions/_PDCLIB/stdinit.c b/platform/example_cygwin/functions/_PDCLIB/stdinit.c
new file mode 100644 (file)
index 0000000..af37f06
--- /dev/null
+++ b/platform/example_cygwin/functions/_PDCLIB/stdinit.c
@@ -0,0 +1,55 @@
+/* $Id$ */
+
+/* _PDCLIB_stdinit
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+/* This is an example initialization of stdin, stdout and stderr to the integer
+   file descriptors 0, 1, and 2, respectively. This applies for a great variety
+   of operating systems, including POSIX compliant ones.
+*/
+
+#include <stdio.h>
+
+#ifndef REGTEST
+
+/* In a POSIX system, stdin / stdout / stderr are equivalent to the (int) file
+   descriptors 0, 1, and 2 respectively.
+*/
+/* TODO: This is proof-of-concept, requires finetuning. */
+static char _PDCLIB_sin_buffer[BUFSIZ];
+static char _PDCLIB_sout_buffer[BUFSIZ];
+static char _PDCLIB_serr_buffer[BUFSIZ];
+
+static unsigned char _PDCLIB_sin_ungetbuf[_PDCLIB_UNGETCBUFSIZE];
+static unsigned char _PDCLIB_sout_ungetbuf[_PDCLIB_UNGETCBUFSIZE];
+static unsigned char _PDCLIB_serr_ungetbuf[_PDCLIB_UNGETCBUFSIZE];
+
+/* FIXME: serr should handle one character. Buffering on out / in? */
+static struct _PDCLIB_file_t _PDCLIB_serr = { 2, _PDCLIB_serr_buffer, BUFSIZ, 0, 0, { 0, 0 }, 0, _PDCLIB_serr_ungetbuf, _IONBF | _PDCLIB_FWRITE, NULL, NULL };
+static struct _PDCLIB_file_t _PDCLIB_sout = { 1, _PDCLIB_sout_buffer, BUFSIZ, 0, 0, { 0, 0 }, 0, _PDCLIB_sout_ungetbuf, _IOLBF | _PDCLIB_FWRITE, NULL, &_PDCLIB_serr };
+static struct _PDCLIB_file_t _PDCLIB_sin  = { 0, _PDCLIB_sin_buffer, BUFSIZ, 0, 0, { 0, 0 }, 0, _PDCLIB_sin_ungetbuf, _IOLBF | _PDCLIB_FREAD, NULL, &_PDCLIB_sout };
+
+struct _PDCLIB_file_t * stdin  = &_PDCLIB_sin;
+struct _PDCLIB_file_t * stdout = &_PDCLIB_sout;
+struct _PDCLIB_file_t * stderr = &_PDCLIB_serr;
+
+/* FIXME: This approach is a possible attack vector. */
+struct _PDCLIB_file_t * _PDCLIB_filelist = &_PDCLIB_sin;
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    /* Testing covered by several other testdrivers using stdin / stdout / 
+       stderr.
+    */
+    return TEST_RESULTS;
+}
+
+#endif