1 files changed, 147 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/gpxe/src/hci/mucurses/mucurses.c b/contrib/syslinux-4.02/gpxe/src/hci/mucurses/mucurses.c
new file mode 100644
index 0000000..087ebcc
--- /dev/null
+++ b/contrib/syslinux-4.02/gpxe/src/hci/mucurses/mucurses.c
@@ -0,0 +1,147 @@
+#include <console.h>
+#include <curses.h>
+#include "mucurses.h"
+
+/** @file
+ *
+ * MuCurses core functions
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+static void _wupdcurs ( WINDOW *win ) __nonnull;
+void _wputch ( WINDOW *win, chtype ch, int wrap ) __nonnull;
+void _wputc ( WINDOW *win, char c, int wrap ) __nonnull;
+void _wcursback ( WINDOW *win ) __nonnull;
+void _wputchstr ( WINDOW *win, const chtype *chstr, int wrap, int n ) __nonnull;
+void _wputstr ( WINDOW *win, const char *str, int wrap, int n ) __nonnull;
+int wmove ( WINDOW *win, int y, int x ) __nonnull;
+
+WINDOW _stdscr = {
+	.attrs = A_DEFAULT,
+	.ori_y = 0,
+	.ori_x = 0,
+	.curs_y = 0,
+	.curs_x = 0,
+	.scr = &_ansi_screen,
+};
+
+/*
+ *  Primitives
+ */
+
+/**
+ * Update cursor position
+ *
+ * @v *win	window in which to update position
+ */
+static void _wupdcurs ( WINDOW *win ) {
+	win->scr->movetoyx ( win->scr, win->ori_y + win->curs_y,
+			     win->ori_x + win->curs_x );
+}
+
+/**
+ * Write a single character rendition to a window
+ *
+ * @v *win	window in which to write
+ * @v ch	character rendition to write
+ * @v wrap	wrap "switch"
+ */
+void _wputch ( WINDOW *win, chtype ch, int wrap ) {
+	/* make sure we set the screen cursor to the right position
+	   first! */
+	_wupdcurs(win);
+	win->scr->putc(win->scr, ch);
+	if ( ++(win->curs_x) - win->width == 0 ) {
+		if ( wrap == WRAP ) {
+			win->curs_x = 0;
+			/* specification says we should really scroll,
+			   but we have no buffer to scroll with, so we
+			   can only overwrite back at the beginning of
+			   the window */
+			if ( ++(win->curs_y) - win->height == 0 )
+				win->curs_y = 0;
+		} else {
+			(win->curs_x)--;
+		}
+	}
+}
+
+/**
+ * Write a single character to a window
+ *
+ * @v *win	window in which to write
+ * @v c		character rendition to write
+ * @v wrap	wrap "switch"
+ */
+void _wputc ( WINDOW *win, char c, int wrap ) {
+	_wputch ( win, ( c | win->attrs ), wrap );
+}
+
+/**
+ * Retreat the cursor back one position (useful for a whole host of
+ * ops)
+ *
+ * @v *win	window in which to retreat
+ */
+void _wcursback ( WINDOW *win ) {
+	if ( win->curs_x == 0 ) {
+		if ( win->curs_y == 0 )
+			win->curs_y = win->height - 1;
+		win->curs_x = win->width = 1;
+	} else {
+		win->curs_x--;
+	}
+
+	_wupdcurs(win);
+}
+
+/**
+ * Write a chtype string to a window
+ *
+ * @v *win	window in which to write
+ * @v *chstr	chtype string
+ * @v wrap	wrap "switch"
+ * @v n		write at most n chtypes
+ */
+void _wputchstr ( WINDOW *win, const chtype *chstr, int wrap, int n ) {
+	for ( ; *chstr && n-- ; chstr++ ) {
+		_wputch(win,*chstr,wrap);
+	}
+}
+
+/**
+ * Write a standard c-style string to a window
+ *
+ * @v *win	window in which to write
+ * @v *str	string
+ * @v wrap	wrap "switch"
+ * @v n		write at most n chars from *str
+ */
+void _wputstr ( WINDOW *win, const char *str, int wrap, int n ) {
+	for ( ; *str && n-- ; str++ ) {
+		_wputc ( win, *str, wrap );
+	}
+}
+
+/**
+ * Move a window's cursor to the specified position
+ *
+ * @v *win	window to be operated on
+ * @v y		Y position
+ * @v x		X position
+ * @ret rc	return status code
+ */
+int wmove ( WINDOW *win, int y, int x ) {
+	/* chech for out-of-bounds errors */
+	if ( ( (unsigned)y >= win->height ) ||
+	     ( (unsigned)x >= win->width ) ) {
+		return ERR;
+	}
+
+	win->curs_y = y;
+	win->curs_x = x;
+	_wupdcurs(win);
+	return OK;
+}