added st source

dwm/.st/patch/rightclicktoplumb_x.c

@@ -0,0 +1,24 @@
+#include <sys/wait.h>
+
+void
+plumb(char *sel) {
+	if (sel == NULL)
+		return;
+	char cwd[PATH_MAX];
+	pid_t child;
+	if (subprocwd(cwd) != 0)
+		return;
+
+	switch(child = fork()) {
+		case -1:
+			return;
+		case 0:
+			if (chdir(cwd) != 0)
+				exit(1);
+			if (execvp(plumb_cmd, (char *const []){plumb_cmd, sel, 0}) == -1)
+				exit(1);
+			exit(0);
+		default:
+			waitpid(child, NULL, 0);
+	}
+}