JZip.hh

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#ifndef __JLANG_JZIP__
#define __JLANG_JZIP__
 
#include <zlib.h>
 
/**
 * \file
 * gzip auxiliaries.
 * \author mdejong
 */
namespace JLANG {}
namespace JPP { using namespace JLANG; }
 
namespace JLANG {
 
  /**
   * Check if file is gzipped.
   *
   * \param  file_name       file name
   * \return                 true if gzipped; else false
   */
  inline bool is_gzipped(const char* const file_name)
  {
    gzFile fg = gzopen(file_name, "r");
 
    const int result = gzdirect(fg);
 
    gzclose(fg);
 
    return result == 0;
  }
}
 
#endif