grabc

commit c70ba9ae8a6cf01431acfa9ec7525fa9ae192363
parent fb6a11964c8adfbae3c7d8d0c95af1cad232afab
Author: mmorgan <mikmorgan@gmail.com>
Date:   Thu, 12 Apr 2018 17:53:32 -0400

Delayed argument validation

Diffstat:
M
grabc.c
 | 
13
+++++++------

1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/grabc.c b/grabc.c
@@ -547,12 +547,6 @@ int main(int argc,char **argv)
                     (void) fprintf(stderr,"Example: -l +10+20\n");
                     return(1);
                 }
-                if (g_window_id == (Window) NULL)
-                {
-                    (void) fprintf(stderr,"ERROR: Please specify window id with -w in hex to use this option\n");
-                    (void) fprintf(stderr,"Use -W option to find the Window Id\n");
-                    return(1);
-                }
                 g_loc_specified = True;
 
                 break;
@@ -587,6 +581,13 @@ int main(int argc,char **argv)
         */
     }
 
+    if (g_loc_specified && (g_window_id == (Window) NULL))
+    {
+        (void) fprintf(stderr,"ERROR: Please specify window id with -w in hex to use this option\n");
+        (void) fprintf(stderr,"Use -W option to find the Window Id\n");
+        return(1);
+    }
+
     display=XOpenDisplay((char *) NULL);
     XSetErrorHandler(MXError);