ceph/src/common/errno.cc

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