1 files changed, 13 insertions, 0 deletions
diff --git a/src/cmd/plot/libplot/sbox.c b/src/cmd/plot/libplot/sbox.c
new file mode 100644
index 00000000..479790b9
--- /dev/null
+++ b/src/cmd/plot/libplot/sbox.c
@@ -0,0 +1,13 @@
+#include "mplot.h"
+void sbox(double xx0, double yy0, double xx1, double yy1){
+	int x0=SCX(xx0), y0=SCY(yy0), x1=SCX(xx1), y1=SCY(yy1);
+	int t;
+	if(x1<x0){ t=x0; x0=x1; x1=t; }
+	if(y1<y0){ t=y0; y0=y1; y1=t; }
+	if(x0<clipminx) x0=clipminx;
+	if(y0<clipminy) y0=clipminy;
+	if(x1>clipmaxx) x1=clipmaxx;
+	if(y1>clipmaxy) y1=clipmaxy;
+	if(x1<x0 || y1<y0) return;
+	m_clrwin(x0, y0, x1, y1, e1->backgr);
+}