src/safe_strerror.h

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#ifndef SAFE_STRERROR_H
#define SAFE_STRERROR_H
#include "config.h"

#include "base/basictypes.h"

namespace tcmalloc {

// SafeStrError works pretty much like strerror, but it bypasses all
// the locale stuff (which will malloc occasionally). It simply
// returns errno constant name (like "ENOMEM"), or if errno is not
// recognized it will return "errno <number>" string (kept in internal
// buf_ buffer).
class SafeStrError {
public:
  explicit ATTRIBUTE_VISIBILITY_HIDDEN SafeStrError(int errnum);
  const char* c_str() { return result_; }
private:
  const char* result_;
  char buf_[32];
};

}  // namespace tcmalloc


#endif  // SAFE_STRERROR_H