Continue attempt to make library and demo player runnable under OpenWatcom

Because of broken STL containers, are very hard crashes in random places are can't be fixed with a full customizing of those containers.

1 files changed, 90 insertions, 0 deletions

diff --git a/cmake/openwattcom-dos/custom-h/myset.h b/cmake/openwattcom-dos/custom-h/myset.h
new file mode 100644
index 0000000..c5e581d
--- /dev/null
+++ b/cmake/openwattcom-dos/custom-h/myset.h
@@ -0,0 +1,90 @@
+/*
+PtrList - A custom STD::Vector implementation. Workaround for OpenWatcom's crashing implementation
+
+Copyright (c) 2017 Vitaliy Novichkov <admin@wohlnet.ru>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef MYSET_H
+#define MYSET_H
+
+#include <vector>
+
+//WORKAROUND: use custom vector implementation to avoid lots of crashes!!!
+#define _SET_INCLUDED
+//#define set MySet
+
+namespace std
+{
+
+template<class T, class Allocator = allocator< T >, class Implementation = vector<T, Allocator> >
+class set : public Implementation
+{
+public:
+    set() : Implementation() {}
+    ~set() {}
+
+    iterator find(const T& val)
+    {
+        for(iterator it = begin(); it != end(); it++)
+        {
+            if(val == *it)
+                return it;
+        }
+        return end();
+    }
+
+    void insert (const T& val)
+    {
+        iterator f = find(val);
+        if(f != end())
+        {
+            Implementation::insert(end(), val);
+        }
+    }
+
+    void erase(const T& val)
+    {
+        iterator f = find(val);
+        if(f != end())
+        {
+            Implementation::erase(f);
+        }
+    }
+
+    //@{
+    /**
+     *  @brief  Finds the number of elements.
+     *  @param  __x  Element to located.
+     *  @return  Number of elements with specified key.
+     *
+     *  This function only makes sense for multisets; for set the result will
+     *  either be 0 (not present) or 1 (present).
+     */
+    size_t
+    count(const T& __x)
+    {
+        return find(__x) == Implementation::end() ? 0 : 1;
+    }
+};
+
+}
+
+#endif // MYSET_H