1 files changed, 53 insertions, 0 deletions
diff --git a/src/sat/asat/solver_vec.h b/src/sat/asat/solver_vec.h
new file mode 100644
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+++ b/src/sat/asat/solver_vec.h
@@ -0,0 +1,53 @@
+/**************************************************************************************************
+MiniSat -- Copyright (c) 2005, Niklas Sorensson
+http://www.cs.chalmers.se/Cs/Research/FormalMethods/MiniSat/
+
+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.
+**************************************************************************************************/
+// Modified to compile with MS Visual Studio 6.0 by Alan Mishchenko
+
+#ifndef vec_h
+#define vec_h
+
+#include <stdlib.h>
+
+struct vec_t {
+    int    size;
+    int    cap;
+    void** ptr;
+};
+typedef struct vec_t vec;
+
+static inline void vec_new (vec* v) {
+    v->size = 0;
+    v->cap  = 4;
+    v->ptr  = (void**)malloc(sizeof(void*)*v->cap);
+}
+
+static inline void   vec_delete (vec* v)          { free(v->ptr);   }
+static inline void** vec_begin  (vec* v)          { return v->ptr;  }
+static inline int    vec_size   (vec* v)          { return v->size; }
+static inline void   vec_resize (vec* v, int   k) { v->size = k;    } // only safe to shrink !!
+static inline void   vec_push   (vec* v, void* e)
+{
+    if (v->size == v->cap) {
+        int newsize = v->cap * 2+1;
+        v->ptr = (void**)realloc(v->ptr,sizeof(void*)*newsize);
+        v->cap = newsize; }
+    v->ptr[v->size++] = e;
+}
+
+#endif