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path: root/libs/minisat/00_PATCH_remove_zlib.patch
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--- ParseUtils.h
+++ ParseUtils.h
@@ -24,8 +24,6 @@ OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWA
 #include <stdlib.h>
 #include <stdio.h>
 
-#include <zlib.h>
-
 #include "XAlloc.h"
 
 namespace Minisat {
@@ -36,24 +34,16 @@ namespace Minisat {
 
 
 class StreamBuffer {
-    gzFile         in;
     unsigned char* buf;
     int            pos;
     int            size;
 
     enum { buffer_size = 64*1024 };
 
-    void assureLookahead() {
-        if (pos >= size) {
-            pos  = 0;
-            size = gzread(in, buf, buffer_size); } }
+    virtual void assureLookahead() = 0;
 
 public:
-    explicit StreamBuffer(gzFile i) : in(i), pos(0), size(0){
-        buf = (unsigned char*)xrealloc(NULL, buffer_size);
-        assureLookahead();
-    }
-    ~StreamBuffer() { free(buf); }
+    virtual ~StreamBuffer() { }
 
     int  operator *  () const { return (pos >= size) ? EOF : buf[pos]; }
     void operator ++ ()       { pos++; assureLookahead(); }