From 26805033dca64c1b6f3a2ac66067e81b6e53844a Mon Sep 17 00:00:00 2001
From: Bart Polot <bart@net.in.tum.de>
Date: Thu, 13 Dec 2012 20:21:45 +0000
Subject: - new perf

---
 src/regex/perf-regex.c | 57 ++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 48 insertions(+), 9 deletions(-)

(limited to 'src/regex/perf-regex.c')

diff --git a/src/regex/perf-regex.c b/src/regex/perf-regex.c
index 72da6f270..18c51987d 100644
--- a/src/regex/perf-regex.c
+++ b/src/regex/perf-regex.c
@@ -46,12 +46,17 @@ usage(void)
 int
 main (int argc, char *const *argv)
 {
-  FILE *f;
   struct GNUNET_REGEX_Automaton* dfa;
-  long size;
+  char **regexes;
+  char *buffer;
   char *regex;
+  unsigned int nr;
   int compression;
+  long size;
+  size_t len;
+  FILE *f;
 
+  GNUNET_log_setup ("perf-regex", "DEBUG", NULL);
   exe = argv[0];
   if (3 != argc)
   {
@@ -67,18 +72,52 @@ main (int argc, char *const *argv)
   }
   fseek (f, 0, SEEK_END);
   size = ftell (f);
+  fprintf (stderr, "using file %s, size %ld\n", argv[1], size);
   fseek (f, 0, SEEK_SET);
-  regex = GNUNET_malloc (size);
-  if (fread (regex, sizeof(char), size, f) != size)
+  buffer = GNUNET_malloc (size + 1);
+  regexes = GNUNET_malloc (sizeof (char *));
+  nr = 1;
+  do
   {
-    fprintf (stderr, "Can't read file %s\n", argv[1]);
-    usage();
-    return 3;
-  }
+    if (NULL == fgets (buffer, size + 1, f))
+    {
+      fprintf (stderr, "Can't read file %s\n", argv[1]);
+      usage();
+      return 3;
+    }
+    len = strlen (buffer);
+    if (len < 1)
+      continue;
+    if ('\n' == buffer[len - 1])
+    {
+      len--;
+      buffer[len] = '\0';
+    }
+    if (len < 6 || strncmp (&buffer[len - 6], "(0|1)*", 6) != 0)
+    {
+      fprintf (stderr, "\nWARNING:\n");
+      fprintf (stderr, "%s (line %u) does not end in (0|1)*\n", buffer, nr);
+    }
+    else
+    {
+      buffer[len - 6] = '\0';
+    }
+    GNUNET_array_grow (regexes, nr, nr+1);
+    regexes[nr - 2] = GNUNET_strdup (buffer);
+    regexes[nr - 1] = NULL;
+  } while (ftell(f) < size);
+  GNUNET_free (buffer);
+
+  buffer = GNUNET_REGEX_combine (regexes);
+
+  GNUNET_asprintf (&regex, "GNVPN-0001-PAD(%s)(0|1)*", buffer);
+  
+//   fprintf (stderr, "Combined regex:\n%s\n", regex);
+//   return 0;
+
   compression = atoi (argv[2]);
   dfa = GNUNET_REGEX_construct_dfa (regex, size, compression);
   GNUNET_REGEX_automaton_destroy (dfa);
-  GNUNET_free (regex);
   return 0;
 }
 
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