eliminate some unnecessary(?) goto statements

Signed-off-by: Thomas E. Dickey <dickey@invisible-island.net>

1 files changed, 22 insertions, 19 deletions

diff --git a/src/twm.c b/src/twm.c
index d9a8f6c..a8d1c2f 100644
--- a/src/twm.c
+++ b/src/twm.c
@@ -181,8 +181,7 @@ static char *atom_names[11] = {
 #ifdef XPRINT
 /* |hasExtension()| and |IsPrintScreen()| have been stolen from
  * xc/programs/xdpyinfo/xdpyinfo.c */
-static
-    Bool
+static Bool
 hasExtension(Display *dpy, char *extname)
 {
     int num_extensions, i;
@@ -195,8 +194,7 @@ hasExtension(Display *dpy, char *extname)
     return i != num_extensions;
 }
 
-static
-    Bool
+static Bool
 IsPrintScreen(Screen *s)
 {
     Display *dpy = XDisplayOfScreen(s);
@@ -219,6 +217,17 @@ IsPrintScreen(Screen *s)
 }
 #endif                          /* XPRINT */
 
+static void
+usage(void)
+{
+    fprintf(stderr, "usage:  %s [-display dpy] [-f file] [-s] [-q] [-v]"
+#ifdef XPRINT
+            " [-noprint]"
+#endif                          /* XPRINT */
+            " [-clientId id] [-restore file]\n", ProgramName);
+    exit(1);
+}
+
 /***********************************************************************
  *
  *  Procedure:
@@ -251,9 +260,9 @@ main(int argc, char *argv[])
             switch (argv[i][1]) {
             case 'd':          /* -display dpy */
                 if (strcmp(&argv[i][1], "display"))
-                    goto usage;
+                    usage();
                 if (++i >= argc)
-                    goto usage;
+                    usage();
                 display_name = argv[i];
                 continue;
             case 's':          /* -single */
@@ -262,13 +271,13 @@ main(int argc, char *argv[])
 #ifdef XPRINT
             case 'n':          /* -noprint */
                 if (strcmp(&argv[i][1], "noprint"))
-                    goto usage;
+                    usage();
                 NoPrintscreens = True;
                 continue;
 #endif                          /* XPRINT */
             case 'f':          /* -file twmrcfilename */
                 if (++i >= argc)
-                    goto usage;
+                    usage();
                 InitFile = argv[i];
                 continue;
             case 'v':          /* -verbose */
@@ -276,16 +285,16 @@ main(int argc, char *argv[])
                 continue;
             case 'c':          /* -clientId */
                 if (strcmp(&argv[i][1], "clientId"))
-                    goto usage;
+                    usage();
                 if (++i >= argc)
-                    goto usage;
+                    usage();
                 client_id = argv[i];
                 continue;
             case 'r':          /* -restore */
                 if (strcmp(&argv[i][1], "restore"))
-                    goto usage;
+                    usage();
                 if (++i >= argc)
-                    goto usage;
+                    usage();
                 restore_filename = argv[i];
                 continue;
             case 'q':          /* -quiet */
@@ -293,13 +302,7 @@ main(int argc, char *argv[])
                 continue;
             }
         }
- usage:
-        fprintf(stderr, "usage:  %s [-display dpy] [-f file] [-s] [-q] [-v]"
-#ifdef XPRINT
-                " [-noprint]"
-#endif                          /* XPRINT */
-                " [-clientId id] [-restore file]\n", ProgramName);
-        exit(1);
+        usage();
     }
 
     loc = setlocale(LC_ALL, "");