dvr_assert.h

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#ifndef DVRLIB_DVR_ASSERT_H
#define DVRLIB_DVR_ASSERT_H
 
#include <stdexcept>
#include <string>
 
namespace dvrlib {
 
struct assertion_error : public std::logic_error {
  assertion_error(const char* cond, const char* file, int line)
      : std::logic_error(std::string("assertion failed: ") + cond +
                         " (" + file + ":" + std::to_string(line) + ")") {
  }
};
 
}  // namespace dvrlib
 
#define dvr_assert(cond)                                        \
  do {                                                          \
    if(!(cond))                                                 \
      throw dvrlib::assertion_error(#cond, __FILE__, __LINE__); \
  } while(0)
 
#endif  // DVRLIB_DVR_ASSERT_H