Standard progress-reporting functions.

diff --git a/pgen-stdev.c b/pgen-stdev.c
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+++ b/pgen-stdev.c
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+/* -*-c-*-
+ *
+ * $Id: pgen-stdev.c,v 1.1 1999/12/22 16:01:57 mdw Exp $
+ *
+ * Standard event handlers
+ *
+ * (c) 1999 Straylight/Edgeware
+ */
+
+/*----- Licensing notice --------------------------------------------------* 
+ *
+ * This file is part of Catacomb.
+ *
+ * Catacomb is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Library General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ * 
+ * Catacomb is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Library General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Library General Public
+ * License along with Catacomb; if not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ */
+
+/*----- Revision history --------------------------------------------------* 
+ *
+ * $Log: pgen-stdev.c,v $
+ * Revision 1.1  1999/12/22 16:01:57  mdw
+ * Standard progress-reporting functions.
+ *
+ */
+
+/*----- Header files ------------------------------------------------------*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "pgen.h"
+
+/*----- Main code ---------------------------------------------------------*/
+
+/* --- @pgen_evspin@ --- *
+ *
+ * Displays a spinning baton to show progress.
+ */
+
+int pgen_evspin(int rq, pgen_event *ev, void *p)
+{
+  static char spinner[] = "/-\\|";
+  static char *q = spinner;
+
+  switch (rq) {
+    case PGEN_PASS:
+    case PGEN_FAIL:
+    case PGEN_DONE:
+      putchar(*q++);
+      putchar('\b');
+      fflush(stdout);
+      if (!*q)
+       q = spinner;
+      break;
+  }
+  return (0);
+}
+
+/* --- @pgen_ev@ --- *
+ *
+ * Traditional event handler, shows dots for each test.
+ */
+
+int pgen_ev(int rq, pgen_event *ev, void *p)
+{
+  switch (rq) {
+    case PGEN_BEGIN:
+      printf("Searching for %s: ", ev->name);
+      fflush(stdout);
+      break;
+    case PGEN_FAIL:
+      putchar('.');
+      fflush(stdout);
+      break;
+    case PGEN_PASS:
+      putchar('+');
+      fflush(stdout);
+      break;
+    case PGEN_DONE:
+      puts("+ ok");
+      break;
+    case PGEN_ABORT:
+      puts(" failed");
+      break;
+  }
+  return (0);
+}
+
+/*----- That's all, folks -------------------------------------------------*/