1 files changed, 96 insertions, 0 deletions
diff --git a/contrib/gperf/src/main.c b/contrib/gperf/src/main.c
new file mode 100644
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+++ b/contrib/gperf/src/main.c
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+/* Driver program for the Perfect hash function generator.
+   Copyright (C) 1989 Free Software Foundation, Inc.
+   written by Douglas C. Schmidt (schmidt@ics.uci.edu)
+
+This file is part of GNU GPERF.
+
+GNU GPERF is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 1, or (at your option)
+any later version.
+
+GNU GPERF 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU GPERF; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+/* Simple driver program for the Perfect.hash function generator.
+   Most of the hard work is done in class Perfect and its class methods. */
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <time.h>
+#include "stderr.h"
+#include "options.h"
+#include "perfect.h"
+
+/* Calls the appropriate intialization routines for each
+   ADT.  Note that certain initialization routines require
+   initialization *after* certain values are computed.  Therefore,
+   they cannot be called here. */
+   
+static void 
+init_all (argc, argv)
+     int argc;
+     char *argv[];
+{
+#ifdef RLIMIT_STACK
+  /* Get rid of any avoidable limit on stack size.  */
+  {
+    struct rlimit rlim;
+
+    /* Set the stack limit huge so that alloca does not fail. */
+    getrlimit (RLIMIT_STACK, &rlim);
+    rlim.rlim_cur = rlim.rlim_max;
+    setrlimit (RLIMIT_STACK, &rlim);
+  }
+#endif /* RLIMIT_STACK */
+
+  options_init (argc, argv);    
+  key_list_init ();
+  perfect_init ();              
+}
+
+/* Calls appropriate destruction routines for each ADT.  These
+   routines print diagnostics if the debugging option is enabled. */
+
+static void
+destroy_all ()
+{
+  options_destroy ();
+  key_list_destroy ();
+  perfect_destroy ();
+}
+
+/* Driver for perfect hash function generation. */
+
+int
+main (argc, argv)
+     int argc;
+     char *argv[];
+{
+  struct tm *tm;
+  time_t     clock; 
+  int        status;
+
+  time (&clock);
+  tm = localtime (&clock);
+
+  fprintf (stderr, "/* starting time is %d:%d:%d */\n", tm->tm_hour, tm->tm_min, tm->tm_sec);
+  /* Sets the options. */
+  init_all (argc, argv);
+
+  /* Generates the perfect hash table.
+     Also prints generated code neatly to the output. */
+  status = perfect_generate ();
+  destroy_all ();
+
+  time (&clock);
+  tm = localtime (&clock);
+  fprintf (stderr, "/* ending time is %d:%d:%d */\n", tm->tm_hour, tm->tm_min, tm->tm_sec);
+  return status;
+}