From 0efa8cf1d20712cbfaa549d31a8ebc11a23f78ec Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Mon, 4 Jul 2016 00:50:42 -0400
Subject: created free-standing project skeleton.

---
 src/internal/ptycon_ntaio_impl.c | 163 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 163 insertions(+)
 create mode 100644 src/internal/ptycon_ntaio_impl.c

(limited to 'src/internal/ptycon_ntaio_impl.c')

diff --git a/src/internal/ptycon_ntaio_impl.c b/src/internal/ptycon_ntaio_impl.c
new file mode 100644
index 0000000..c990ff7
--- /dev/null
+++ b/src/internal/ptycon_ntaio_impl.c
@@ -0,0 +1,163 @@
+/*********************************************************/
+/*  ptycon: a pty-console bridge                         */
+/*  Copyright (C) 2016  Z. Gilboa                        */
+/*  Released under GPLv2 and GPLv3; see COPYING.PTYCON.  */
+/*********************************************************/
+
+#include <ntapi/ntapi.h>
+
+extern const ntapi_vtbl * ptyc_ntapi;
+
+typedef struct ptyc_file {
+        void *  hany;
+} FILE;
+
+int ptyc_fputs(const char * str, FILE * file)
+{
+	int32_t			status;
+	nt_runtime_data *	rtdata;
+	ntapi_zw_write_file *	iofn;
+	void *			hio;
+	void *			hevent;
+	int			fdtype;
+	size_t			size;
+	size_t			nbytes;
+	nt_iosb			iosb;
+
+	/* rtdata */
+	if (ptyc_ntapi->tt_get_runtime_data(&rtdata,0))
+		return -1;
+
+	/* io type */
+	if (file == (void *)0) {
+		hio    = rtdata->hstdin;
+		fdtype = rtdata->stdin_type;
+
+	} else if (file == (void *)1) {
+		hio    = rtdata->hstdout;
+		fdtype = rtdata->stdout_type;
+
+	} else if (file == (void *)2) {
+		hio    = rtdata->hstderr;
+		fdtype = rtdata->stderr_type;
+	} else {
+		return -1;
+	}
+
+	if (!hio)
+		return -1;
+
+	/* buffer */
+	size   = ptyc_ntapi->tt_string_null_offset_multibyte(str);
+	nbytes = size;
+
+	/* iofn */
+	iofn = (fdtype ==  NT_FILE_TYPE_PTY)
+		? (ntapi_zw_write_file *)ptyc_ntapi->pty_write
+		: ptyc_ntapi->zw_write_file;
+
+	/* hevent */
+	if ((status = ptyc_ntapi->tt_create_private_event(
+			&hevent,
+			NT_NOTIFICATION_EVENT,
+			NT_EVENT_NOT_SIGNALED)))
+		return -1;
+
+	while (nbytes) {
+		/* iowrite */
+		status = iofn(
+			hio,hevent,
+			0,0,&iosb,
+			(void *)str,
+			nbytes,0,0);
+
+		/* wait */
+		if (status == NT_STATUS_PENDING)
+			status = ptyc_ntapi->zw_wait_for_single_object(
+				hevent,0,0);
+
+		/* check */
+		if (status || iosb.status) {
+			ptyc_ntapi->zw_close(hevent);
+			return -1;
+		}
+
+		str    += iosb.info;
+		nbytes -= iosb.info;
+	}
+
+	/* all done */
+	ptyc_ntapi->zw_close(
+		hevent);
+
+	return (int)size;
+}
+
+int ptyc_fprintf(FILE * file, const char * fmt, ...)
+{
+	va_list	ap;
+	char *	str;
+	size_t	buffer[32768/sizeof(size_t)];
+
+	ptyc_ntapi->tt_aligned_block_memset(
+		buffer,0,sizeof(buffer));
+
+	str = (char *)buffer;
+
+	va_start(ap, fmt);
+	ptyc_ntapi->vsnprintf(str, sizeof(buffer), fmt, ap);
+	va_end(ap);
+
+	str[sizeof(buffer)-1] = 0;
+
+	return ptyc_fputs(str,file);
+}
+
+int ptyc_sprintf(char * str, const char * fmt, ...)
+{
+	int     ret;
+	va_list ap;
+
+	va_start(ap, fmt);
+	ret = ptyc_ntapi->vsprintf(str, fmt, ap);
+	va_end(ap);
+
+	return ret;
+}
+
+int ptyc_snprintf(char * str, size_t n, const char * fmt, ...)
+{
+	int     ret;
+	va_list ap;
+
+	va_start(ap, fmt);
+	ret = ptyc_ntapi->vsnprintf(str, n, fmt, ap);
+	va_end(ap);
+
+	return ret;
+}
+
+int ptyc_isatty(int fildes)
+{
+	nt_runtime_data * rtdata;
+
+	if ((ptyc_ntapi->tt_get_runtime_data(&rtdata,0)))
+		return 0;
+
+	if (fildes == 0)
+		return (rtdata->stdin_type == NT_FILE_TYPE_PTY);
+
+	else if (fildes == 1)
+		return (rtdata->stdout_type == NT_FILE_TYPE_PTY);
+
+	else if (fildes == 2)
+		return (rtdata->stderr_type == NT_FILE_TYPE_PTY);
+
+	else
+		return 0;
+}
+
+int ptyc_fileno(void * any)
+{
+	return (int)(intptr_t)any;
+}
-- 
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