Hopefully create a branch and not destroy the svn repository.

svn path=/branches/reactos-yarotows/; revision=45219

lib/sdk/crt/stdlib/atexit.c

@@ -0,0 +1,69 @@
+/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
+#include <precomp.h>
+
+void _atexit_cleanup(void)
+{
+  struct __atexit *next, *a = __atexit_ptr;
+  __atexit_ptr = 0; /* to prevent infinite loops */
+  while (a)
+  {
+    (a->__function)();
+    next = a->__next;
+    free(a);
+    a = next;
+  }
+}
+
+/*
+ * @implemented
+ *
+ * Ported from WINE
+ * Copyright (C) 2000 Jon Griffiths
+ */
+_onexit_t __dllonexit(_onexit_t func, _onexit_t **start, _onexit_t **end)
+{
+   _onexit_t *tmp;
+   int len;
+
+   if (!start || !*start || !end || !*end)
+      return NULL;
+
+   len = (*end - *start);
+   if (++len <= 0)
+      return NULL;
+
+   tmp = (_onexit_t *)realloc(*start, len * sizeof(tmp));
+   if (!tmp)
+      return NULL;
+
+   *start = tmp;
+   *end = tmp + len;
+   tmp[len - 1] = func;
+
+   return func;
+}
+
+/*
+ * @implemented
+ */
+_onexit_t _onexit(_onexit_t a)
+{
+  struct __atexit *ap;
+  if (a == 0)
+    return NULL;
+  ap = (struct __atexit *)malloc(sizeof(struct __atexit));
+  if (!ap)
+    return NULL;
+  ap->__next = __atexit_ptr;
+  ap->__function = (void (*)(void))a;
+  __atexit_ptr = ap;
+  return a;
+}
+
+/*
+ * @implemented
+ */
+int atexit(void (*a)(void))
+{
+  return _onexit((_onexit_t)a) == (_onexit_t)a ? 0 : -1;
+}