1 files changed, 76 insertions, 0 deletions
diff --git a/tests/randtest.c b/tests/randtest.c
new file mode 100644
index 0000000000000..773c9e15b97b3
--- /dev/null
+++ b/tests/randtest.c
@@ -0,0 +1,76 @@
+/*
+  randtest.c - tests with random regexps
+
+  This software is released under a BSD-style license.
+  See the file LICENSE for details and copyright.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif /* HAVE_CONFIG_H */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <regex.h>
+#include <time.h>
+
+#undef MALLOC_DEBUGGING
+#ifdef MALLOC_DEBUGGING
+#include "xmalloc.h"
+#endif /* MALLOC_DEBUGGING */
+
+#define REGEXP_MAX_LEN 16
+
+int
+main(int argc, char **argv)
+{
+  int len, i, flags, n;
+  char regex[50];
+  char *buf;
+  regex_t preg;
+  int status, seed;
+
+  seed = time(NULL);
+  seed = 1028358583;
+  printf("seed = %d\n", seed);
+  srand(seed);
+  n = 0;
+
+  for (n = 0; n < 0; n++)
+    rand();
+
+  while (1)
+    {
+      printf("*");
+      fflush(stdout);
+
+      printf("n = %d\n", n);
+      len = 1 + (int)(REGEXP_MAX_LEN * (rand() / (RAND_MAX + 1.0)));
+      n++;
+
+      for (i = 0; i < len; i++)
+	{
+	  regex[i] = 1 + (int)(255 * (rand() / (RAND_MAX + 1.0)));
+	  n++;
+	}
+      regex[i] = L'\0';
+
+      printf("len = %d, regexp = \"%s\"\n", len, regex);
+
+      for (flags = 0;
+	   flags < (REG_EXTENDED | REG_ICASE | REG_NEWLINE | REG_NOSUB);
+	   flags++)
+	{
+	  buf = malloc(sizeof(*buf) * len);
+	  strncpy(buf, regex, len - 1);
+	  status = tre_regncomp(&preg, buf, len, flags);
+	  if (status == REG_OK)
+	    tre_regfree(&preg);
+	}
+      printf("\n");
+    }
+
+  return 0;
+}