diff --git a/libconfig-1.4.9/tinytest/tinytest.c b/libconfig-1.4.9/tinytest/tinytest.c
new file mode 100644
index 0000000000000000000000000000000000000000..2c00d5da6c190905c2b663a17b2c6abbd13e9305
--- /dev/null
+++ b/libconfig-1.4.9/tinytest/tinytest.c
@@ -0,0 +1,730 @@
+/* ----------------------------------------------------------------------------
+   tinytest - A tiny C unit-testing library
+   Copyright (C) 2010  Mark A Lindner
+
+   This file is part of tinytest.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public License
+   as published by the Free Software Foundation; either version 2.1 of
+   the License, or (at your option) any later version.
+
+   This library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, see
+   <http://www.gnu.org/licenses/>.
+   ----------------------------------------------------------------------------
+*/
+
+#include "tinytest.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+
+#ifdef WIN32
+#include <io.h>
+#define F_OK 4  // Windows doesn't have F_OK
+#else
+#include <unistd.h>
+#endif
+
+/*
+ */
+
+static tt_testsuite_t *__tt_current_suite = NULL;
+
+static const char *__tt_op_strings[] = { "==", "!=", "<", "<=", ">", ">=",
+                                         "==", "!=", "<", "<=", ">", ">=",
+                                         "==", "!=", "<", "<=", ">", ">=",
+                                         "==", "!=", "<", "<=", ">", ">=",
+                                         "==", "!=", "<", "<=", ">", ">=",
+                                         "==", "!=", "<", "<=", ">", ">=",
+                                         "==", "!=", "", "!",
+                                         "==file", "!=file",
+                                         "==txtfile", "!=txtfile" };
+
+/*
+ */
+
+static tt_bool_t __tt_chop(char *s)
+{
+  size_t len = strlen(s);
+  char *p;
+  tt_bool_t eol = TT_FALSE;
+
+  for(p = s + len - 1; p > s; --p) {
+    if ((*p == '\r') || (*p == '\n')) {
+      eol = TT_TRUE;
+      *p = 0;
+    }
+  }
+
+  return(eol);
+}
+
+static tt_bool_t __tt_compare_files_text(const char *file1, const char *file2,
+                                         tt_bool_t verbose)
+{
+  FILE *fp1, *fp2;
+  char buf1[4096], buf2[4096];
+  int line = 1;
+  int character = 0;
+  tt_bool_t matched = TT_TRUE, eof1, eof2;
+
+  if(!(fp1 = fopen(file1, "rt")))
+  {
+    printf("cannot open file: %s\n", file1);
+    return(TT_FALSE);
+  }
+
+  if(!(fp2 = fopen(file2, "rt")))
+  {
+    fclose(fp1);
+    printf("cannot open file: %s\n", file2);
+    return(TT_FALSE);
+  }
+
+  for(;;)
+  {
+    char *r1, *r2, *p, *q;
+
+    r1 = fgets(buf1, sizeof(buf1), fp1);
+    r2 = fgets(buf2, sizeof(buf2), fp2);
+
+    if((r1 == NULL) || (r2 == NULL))
+    {
+      matched = (r1 == r2) ? TT_TRUE : TT_FALSE;
+      break;
+    }
+
+    eof1 = __tt_chop(r1);
+    eof2 = __tt_chop(r2);
+
+    p = r1;
+    q = r2;
+
+    while(*p && *q)
+    {
+      if(*p != *q)
+      {
+        matched = TT_FALSE;
+        break;
+      }
+
+      ++character;
+      ++p;
+      ++q;
+    }
+
+    if(eof1 != eof2)
+      matched = TT_FALSE;
+
+    if(matched == TT_FALSE)
+      break;
+
+    if(eof1 && eof2)
+    {
+      ++line;
+      character = 0;
+    }
+  }
+
+  fclose(fp1);
+  fclose(fp2);
+
+  if(!matched && verbose)
+    printf("files \"%s\" and \"%s\" differ starting at line %d, char %d\n",
+           file1, file2, line, character);
+
+  return(matched);
+}
+
+static tt_bool_t __tt_compare_files(const char *file1, const char *file2,
+                                    tt_bool_t verbose)
+{
+  FILE *fp1, *fp2;
+  char buf1[4096], buf2[4096];
+  int line = 1;
+  int character = 0;
+  size_t r1, r2;
+  tt_bool_t done = TT_FALSE, matched = TT_TRUE;
+
+  if(!(fp1 = fopen(file1, "rb")))
+  {
+    printf("cannot open file: %s\n", file1);
+    return(TT_FALSE);
+  }
+
+  if(!(fp2 = fopen(file2, "rb")))
+  {
+    fclose(fp1);
+    printf("cannot open file: %s\n", file2);
+    return(TT_FALSE);
+  }
+
+  while(!done)
+  {
+    char *p, *q, *pe, *qe;
+
+    r1 = fread(buf1, 1, sizeof(buf1), fp1);
+    r2 = fread(buf2, 1, sizeof(buf2), fp2);
+
+    p = buf1;
+    q = buf2;
+    pe = buf1 + r1;
+    qe = buf2 + r2;
+
+    while(p < pe && q < qe)
+    {
+      if(*p != *q)
+      {
+        matched = TT_FALSE;
+        done = TT_TRUE;
+        break;
+      }
+
+      if(*p == '\n')
+      {
+        ++line;
+        character = 0;
+      }
+      else
+        ++character;
+
+      ++p;
+      ++q;
+    }
+
+    if(p < pe || q < qe)
+    {
+      matched = TT_FALSE;
+      break;
+    }
+
+    if(feof(fp1) || feof(fp2))
+      break;
+  }
+
+  fclose(fp1);
+  fclose(fp2);
+
+  if(!matched && verbose)
+    printf("files \"%s\" and \"%s\" differ starting at line %d, char %d\n",
+           file1, file2, line, character);
+
+  return(matched);
+}
+
+/*
+ */
+
+tt_testsuite_t *tt_suite_create(const char *name)
+{
+  tt_testsuite_t *suite = calloc(1, sizeof(tt_testsuite_t));
+  suite->name = strdup(name);
+  return(suite);
+}
+
+/*
+ */
+
+void tt_suite_destroy(tt_testsuite_t *suite)
+{
+  tt_test_t *test = suite->first_test;
+
+  while(test)
+  {
+    tt_test_t *tmp = test->next;
+    free((void *)test->name);
+    free(test);
+    test = tmp;
+  }
+
+  free((void *)suite->name);
+  free(suite);
+}
+
+/*
+ */
+
+void tt_suite_add_test(tt_testsuite_t *suite, const char *name,
+                       void (*function)(void))
+{
+  tt_test_t *test = calloc(1, sizeof(tt_test_t));
+  test->name = strdup(name);
+  test->function = function;
+
+  if(suite->last_test != NULL)
+    suite->last_test->next = test;
+
+  suite->last_test = test;
+
+  if(suite->first_test == NULL)
+    suite->first_test = test;
+
+  ++suite->num_tests;
+}
+
+/*
+ */
+
+void tt_suite_run(tt_testsuite_t *suite)
+{
+  __tt_current_suite = suite;
+
+  suite->num_failures = 0;
+
+  for(suite->current_test = suite->first_test;
+      suite->current_test;
+      suite->current_test = suite->current_test->next)
+  {
+    printf("[TEST] %s\n", suite->current_test->name);
+
+    if(setjmp(suite->jump_buf) == 0)
+    {
+      suite->current_test->function();
+    }
+
+    if(suite->current_test->failed)
+    {
+      printf("[FAIL] %s\n", suite->current_test->name);
+      ++suite->num_failures;
+    }
+    else
+    {
+      printf("[ OK ] %s\n", suite->current_test->name);
+    }
+  }
+
+  if(suite->num_failures > 0)
+    puts("*** FAILURES! ***");
+
+  printf("%d tests; %d passed, %d failed\n",
+         suite->num_tests, suite->num_tests - suite->num_failures,
+         suite->num_failures);
+
+  suite->current_test = NULL;
+  __tt_current_suite = NULL;
+}
+
+/*
+ */
+
+void tt_output_val(FILE *stream, const tt_val_t *val)
+{
+  switch(val->type)
+  {
+    case TT_VAL_INT:
+      fprintf(stream, "%d", val->value.int_val);
+      break;
+
+    case TT_VAL_UINT:
+      fprintf(stream, "%u", val->value.uint_val);
+      break;
+
+    case TT_VAL_INT64:
+      fprintf(stream, "%lld", val->value.int64_val);
+      break;
+
+    case TT_VAL_UINT64:
+      fprintf(stream, "%llu", val->value.uint64_val);
+      break;
+
+    case TT_VAL_DOUBLE:
+      fprintf(stream, "%f", val->value.double_val);
+      break;
+
+    case TT_VAL_STR:
+    {
+      const char *p;
+
+      fputc('\"', stream);
+      for(p = val->value.str_val; *p; ++p)
+      {
+        if(*p == '\n')
+          fputs("\\n", stream);
+        else if(*p == '\r')
+          fputs("\\r", stream);
+        else if(*p == '\t')
+          fputs("\\t", stream);
+        else if(*p == '\f')
+          fputs("\\f", stream);
+        else if(*p < ' ')
+          fprintf(stream, "\\0x%02X", *p);
+        else
+          fputc(*p, stream);
+      }
+      fputc('\"', stream);
+      break;
+    }
+
+    case TT_VAL_PTR:
+      fprintf(stream, "%p", val->value.ptr_val);
+      break;
+
+    default:
+      fputs("???", stream);
+      break;
+  }
+}
+
+/*
+ */
+
+void tt_expect(const char *file, int line, const char *aexpr,
+               tt_op_t op, const char *bexpr, const tt_val_t a,
+               const tt_val_t b, tt_bool_t fatal)
+{
+  tt_bool_t result = TT_FALSE;
+
+  switch(op)
+  {
+    case TT_OP_INT_EQ:
+      result = (a.value.int_val == b.value.int_val);
+      break;
+
+    case TT_OP_INT_NE:
+      result = (a.value.int_val != b.value.int_val);
+      break;
+
+    case TT_OP_INT_LT:
+      result = (a.value.int_val < b.value.int_val);
+      break;
+
+    case TT_OP_INT_LE:
+      result = (a.value.int_val <= b.value.int_val);
+      break;
+
+    case TT_OP_INT_GT:
+      result = (a.value.int_val > b.value.int_val);
+      break;
+
+    case TT_OP_INT_GE:
+      result = (a.value.int_val >= b.value.int_val);
+      break;
+
+    case TT_OP_UINT_EQ:
+      result = (a.value.uint_val == b.value.uint_val);
+      break;
+
+    case TT_OP_UINT_NE:
+      result = (a.value.uint_val != b.value.uint_val);
+      break;
+
+    case TT_OP_UINT_LT:
+      result = (a.value.uint_val < b.value.uint_val);
+      break;
+
+    case TT_OP_UINT_LE:
+      result = (a.value.uint_val <= b.value.uint_val);
+      break;
+
+    case TT_OP_UINT_GT:
+      result = (a.value.uint_val > b.value.uint_val);
+      break;
+
+    case TT_OP_UINT_GE:
+      result = (a.value.uint_val >= b.value.uint_val);
+      break;
+
+    case TT_OP_INT64_EQ:
+      result = (a.value.int64_val == b.value.int64_val);
+      break;
+
+    case TT_OP_INT64_NE:
+      result = (a.value.int64_val != b.value.int64_val);
+      break;
+
+    case TT_OP_INT64_LT:
+      result = (a.value.int64_val < b.value.int64_val);
+      break;
+
+    case TT_OP_INT64_LE:
+      result = (a.value.int64_val <= b.value.int64_val);
+      break;
+
+    case TT_OP_INT64_GT:
+      result = (a.value.int64_val > b.value.int64_val);
+      break;
+
+    case TT_OP_INT64_GE:
+      result = (a.value.int64_val >= b.value.int64_val);
+      break;
+
+    case TT_OP_UINT64_EQ:
+      result = (a.value.uint64_val == b.value.uint64_val);
+      break;
+
+    case TT_OP_UINT64_NE:
+      result = (a.value.uint64_val != b.value.uint64_val);
+      break;
+
+    case TT_OP_UINT64_LT:
+      result = (a.value.uint64_val < b.value.uint64_val);
+      break;
+
+    case TT_OP_UINT64_LE:
+      result = (a.value.uint64_val <= b.value.uint64_val);
+      break;
+
+    case TT_OP_UINT64_GT:
+      result = (a.value.uint64_val > b.value.uint64_val);
+      break;
+
+    case TT_OP_UINT64_GE:
+      result = (a.value.uint64_val >= b.value.uint64_val);
+      break;
+
+    case TT_OP_DOUBLE_EQ:
+      result = (a.value.double_val == b.value.double_val);
+      break;
+
+    case TT_OP_DOUBLE_NE:
+    {
+      double diff = (a.value.double_val - b.value.double_val);
+      result = ((diff < -.0001) || (diff > .0001));
+      break;
+    }
+
+    case TT_OP_DOUBLE_LT:
+      result = (a.value.double_val < b.value.double_val);
+      break;
+
+    case TT_OP_DOUBLE_LE:
+      result = (a.value.double_val <= b.value.double_val);
+      break;
+
+    case TT_OP_DOUBLE_GT:
+      result = (a.value.double_val > b.value.double_val);
+      break;
+
+    case TT_OP_DOUBLE_GE:
+      result = (a.value.double_val >= b.value.double_val);
+      break;
+
+    case TT_OP_STR_EQ:
+      result = !strcmp(a.value.str_val, b.value.str_val);
+      break;
+
+    case TT_OP_STR_NE:
+      result = strcmp(a.value.str_val, b.value.str_val);
+      break;
+
+    case TT_OP_STR_LT:
+      result = (strcmp(a.value.str_val, b.value.str_val) < 0);
+      break;
+
+    case TT_OP_STR_LE:
+      result = (strcmp(a.value.str_val, b.value.str_val) <= 0);
+      break;
+
+    case TT_OP_STR_GT:
+      result = (strcmp(a.value.str_val, b.value.str_val) > 0);
+      break;
+
+    case TT_OP_STR_GE:
+      result = (strcmp(a.value.str_val, b.value.str_val) >= 0);
+      break;
+
+    case TT_OP_PTR_EQ:
+      result = (a.value.ptr_val == b.value.ptr_val);
+      break;
+
+    case TT_OP_PTR_NE:
+      result = (a.value.ptr_val != b.value.ptr_val);
+      break;
+
+    case TT_OP_FILE_EQ:
+      result = __tt_compare_files(a.value.str_val, b.value.str_val, TT_TRUE);
+      break;
+
+    case TT_OP_FILE_NE:
+      result = !__tt_compare_files(a.value.str_val, b.value.str_val, TT_TRUE);
+      break;
+
+    case TT_OP_TXTFILE_EQ:
+      result = __tt_compare_files_text(a.value.str_val, b.value.str_val,
+                                       TT_TRUE);
+      break;
+
+    case TT_OP_TXTFILE_NE:
+      result = !__tt_compare_files_text(a.value.str_val, b.value.str_val,
+                                        TT_TRUE);
+      break;
+
+    default:
+      break;
+  }
+
+  if(!result)
+  {
+    __tt_current_suite->current_test->failed = TT_TRUE;
+
+    printf("%s:%d: failed %s: %s [", file, line, (fatal ? "assert" : "expect"),
+           aexpr);
+    tt_output_val(stdout, &a);
+    printf("] %s %s [", __tt_op_strings[op], bexpr);
+    tt_output_val(stdout, &b);
+    puts("]");
+
+    if(fatal)
+      longjmp(__tt_current_suite->jump_buf, 0);
+  }
+}
+
+/*
+ */
+
+void tt_expect_bool(const char *file, int line, const char *expr, tt_op_t op,
+                    int val, tt_bool_t fatal)
+{
+  tt_bool_t result = TT_FALSE;
+
+  switch(op)
+  {
+    case TT_OP_TRUE:
+      result = (val != 0);
+      break;
+
+    case TT_OP_FALSE:
+      result = (val == 0);
+      break;
+
+    default:
+      break;
+  }
+
+  if(!result)
+  {
+    __tt_current_suite->current_test->failed = TT_TRUE;
+
+    printf("%s:%d: failed %s: %s(%s)\n", file, line,
+           (fatal ? "assert" : "expect"), __tt_op_strings[op], expr);
+
+    if(fatal)
+      longjmp(__tt_current_suite->jump_buf, 0);
+  }
+}
+
+/*
+ */
+
+void tt_fail(const char *file, int line, const char *message, ...)
+{
+  va_list vp;
+  va_start(vp, message);
+  printf("%s:%d: failed: ", file, line);
+  vprintf(message, vp);
+  va_end(vp);
+  putchar('\n');
+}
+
+/*
+ */
+
+tt_bool_t tt_file_exists(const char *file)
+{
+  return(access(file, F_OK) == 0);
+}
+
+#ifdef _MSC_VER
+
+// All of this extra code is because MSVC doesn't support the C99 standard.
+// Sigh.
+
+/*
+ */
+
+void tt_test_int(const char *file, int line, const char *aexpr, tt_op_t op,
+                 const char *bexpr, int a, int b, tt_bool_t fatal)
+{
+  tt_val_t aval = { TT_VAL_INT }, bval = { TT_VAL_INT };
+  aval.value.int_val = a;
+  bval.value.int_val = b;
+  tt_expect(file, line, aexpr, op, bexpr, aval, bval, fatal);
+}
+
+/*
+ */
+
+void tt_test_uint(const char *file, int line, const char *aexpr, tt_op_t op,
+                  const char *bexpr, unsigned int a, unsigned int b,
+                  tt_bool_t fatal)
+{
+  tt_val_t aval = { TT_VAL_UINT }, bval = { TT_VAL_UINT };
+  aval.value.uint_val = a;
+  bval.value.uint_val = b;
+  tt_expect(file, line, aexpr, op, bexpr, aval, bval, fatal);
+}
+
+/*
+ */
+
+void tt_test_int64(const char *file, int line, const char *aexpr, tt_op_t op,
+                   const char *bexpr, long long a, long long b,
+                   tt_bool_t fatal)
+{
+  tt_val_t aval = { TT_VAL_INT64 }, bval = { TT_VAL_INT64 };
+  aval.value.int64_val = a;
+  bval.value.int64_val = b;
+  tt_expect(file, line, aexpr, op, bexpr, aval, bval, fatal);
+}
+
+/*
+ */
+
+void tt_test_uint64(const char *file, int line, const char *aexpr,
+                    tt_op_t op, const char *bexpr, unsigned long long a,
+                    unsigned long long b, tt_bool_t fatal)
+{
+  tt_val_t aval = { TT_VAL_UINT64 }, bval = { TT_VAL_UINT64 };
+  aval.value.uint64_val = a;
+  bval.value.uint64_val = b;
+  tt_expect(file, line, aexpr, op, bexpr, aval, bval, fatal);
+}
+
+/*
+ */
+
+void tt_test_double(const char *file, int line, const char *aexpr, tt_op_t op,
+                    const char *bexpr, double a, double b, tt_bool_t fatal)
+{
+  tt_val_t aval = { TT_VAL_DOUBLE }, bval = { TT_VAL_DOUBLE };
+  aval.value.double_val = a;
+  bval.value.double_val = b;
+  tt_expect(file, line, aexpr, op, bexpr, aval, bval, fatal);
+}
+
+/*
+ */
+
+void tt_test_str(const char *file, int line, const char *aexpr, tt_op_t op,
+                 const char *bexpr, const char *a, const char *b,
+                 tt_bool_t fatal)
+{
+  tt_val_t aval = { TT_VAL_STR }, bval = { TT_VAL_STR };
+  aval.value.str_val = a;
+  bval.value.str_val = b;
+  tt_expect(file, line, aexpr, op, bexpr, aval, bval, fatal);
+}
+
+/*
+ */
+
+void tt_test_ptr(const char *file, int line, const char *aexpr, tt_op_t op,
+                 const char *bexpr, const void *a, const void *b,
+                 tt_bool_t fatal)
+{
+  tt_val_t aval = { TT_VAL_PTR }, bval = { TT_VAL_PTR };
+  aval.value.ptr_val = a;
+  bval.value.ptr_val = b;
+  tt_expect(file, line, aexpr, op, bexpr, aval, bval, fatal);
+}
+
+#endif // WIN32
+
+/* end of source file */