add uicb_exec

config.c

@@ -84,6 +84,7 @@ static const NameFuncLink LayoutsList[] =
 static const NameFuncLink KeyfuncList[] = {
     /* util.c */
     {"spawn", uicb_spawn},
+    {"exec", uicb_exec},
     /* client.c */
     {"killclient", uicb_killclient},
     {"moveresize", uicb_moveresize},

util.c

@@ -24,6 +24,7 @@
 #include <stdio.h>
 #include <sys/wait.h>
 #include <unistd.h>
+#include <bits/posix1_lim.h>
 
 #include <X11/Xutil.h>
 #include <X11/Xatom.h>
@@ -53,6 +54,20 @@ eprint(const char *fmt, ...)
     exit(EXIT_FAILURE);
 }
 
+void
+uicb_exec(Display * disp,
+          DC *drawcontext __attribute__ ((unused)),
+          awesome_config * awesomeconf __attribute__ ((unused)),
+          const char *arg)
+{
+    char path[_POSIX_PATH_MAX];
+    if(disp)
+        close(ConnectionNumber(disp));
+
+    sscanf(arg, "%s", path);
+    execlp(path, arg, NULL);
+}
+
 void
 uicb_spawn(Display * disp,
            DC *drawcontext __attribute__ ((unused)),

util.h

@@ -197,4 +197,5 @@ Bool xgettextprop(Display *, Window, Atom, char *, ssize_t);
 double compute_new_value_from_arg(const char *, double);
 
 UICB_PROTO(uicb_spawn);
+UICB_PROTO(uicb_exec);
 #endif