ceph/src/common/errno.cc

   1 #include "common/errno.h"
   2 #include "acconfig.h"
   3
   4 #include <sstream>
   5 #include <string>
   6
   7 #include <string.h>
   8
   9 std::string cpp_strerror(int err)
  10 {
  11   char buf[128];
  12   char *errmsg;
  13
  14   if (err < 0)
  15     err = -err;
  16   std::ostringstream oss;
  17   buf[0] = '\0';
  18
  19   // strerror_r returns char * on Linux, and does not always fill buf
  20 #ifdef STRERROR_R_CHAR_P
  21   errmsg = strerror_r(err, buf, sizeof(buf));
  22 #else
  23   strerror_r(err, buf, sizeof(buf));
  24   errmsg = buf;
  25 #endif
  26
  27   oss << "(" << err << ") " << errmsg;
  28
  29   return oss.str();
  30 }