1 files changed, 45 insertions, 0 deletions
diff --git a/acme/bin/source/mkwnew.c b/acme/bin/source/mkwnew.c
new file mode 100644
index 000000000..788e9d395
--- /dev/null
+++ b/acme/bin/source/mkwnew.c
@@ -0,0 +1,45 @@
+#include <u.h>
+#include <libc.h>
+
+void
+main(int argc, char *argv[])
+{
+	int i, fd, pid, n;
+	char wdir[256];
+	int dflag;
+
+	dflag = 0;
+	ARGBEGIN{
+	case 'd':
+		dflag = 1;
+		break;
+	default:
+		fprint(2, "usage: wnew [-d] [label]\n");
+	}ARGEND
+
+	pid = getpid();
+	wdir[0] = '\0';
+	if(!dflag)
+		getwd(wdir, sizeof wdir);
+	if(argc>0)
+		for(i=0; i<argc; i++)
+			snprint(wdir, sizeof wdir, "%s%c%s", wdir, i==0? '/' : '-', argv[i]);
+	else
+		snprint(wdir, sizeof wdir, "%s/-win", wdir);
+
+	if((fd = open("/dev/wnew", ORDWR)) < 0)
+		sysfatal("wnew: can't open /dev/wnew: %r");
+
+	if(fprint(fd, "%d %s", pid, wdir+dflag) < 0)
+		sysfatal("wnew: can't create window: %r");
+
+	if(seek(fd, 0, 0) != 0)
+		sysfatal("wnew: can't seek: %r");
+
+	if((n=read(fd, wdir, sizeof wdir-1)) < 0)
+		sysfatal("wnew: can't read window id: %r");
+	wdir[n] = '\0';
+
+	print("%s\n", wdir);
+	exits(nil);
+}