text: /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
  /*
   *
   *  (C) 2001 by Argonne National Laboratory.
   *      See COPYRIGHT in top-level directory.
   */
  
  #include "mpiimpl.h"
  
  /* -- Begin Profiling Symbol Block for routine MPI_Comm_get_name */
  #if defined(HAVE_PRAGMA_WEAK)
  #pragma weak MPI_Comm_get_name = PMPI_Comm_get_name
  #elif defined(HAVE_PRAGMA_HP_SEC_DEF)
  #pragma _HP_SECONDARY_DEF PMPI_Comm_get_name  MPI_Comm_get_name
  #elif defined(HAVE_PRAGMA_CRI_DUP)
  #pragma _CRI duplicate MPI_Comm_get_name as PMPI_Comm_get_name
  #elif defined(HAVE_WEAK_ATTRIBUTE)
  int MPI_Comm_get_name(MPI_Comm comm, char *comm_name, int *resultlen)
      __attribute__ ((weak, alias("PMPI_Comm_get_name")));
  #endif
  /* -- End Profiling Symbol Block */
  
  /* Define MPICH_MPI_FROM_PMPI if weak symbols are not supported to build
     the MPI routines */
  #ifndef MPICH_MPI_FROM_PMPI
  #undef MPI_Comm_get_name
  #define MPI_Comm_get_name PMPI_Comm_get_name
  
  void MPIR_Comm_get_name_impl(MPIR_Comm * comm_ptr, char *comm_name, int *resultlen)
  {
      /* The user must allocate a large enough section of memory */
      MPL_strncpy(comm_name, comm_ptr->name, MPI_MAX_OBJECT_NAME);
      *resultlen = (int) strlen(comm_name);
      return;
  }
  
  #endif
  
  #undef FUNCNAME
  #define FUNCNAME MPI_Comm_get_name
  #undef FCNAME
  #define FCNAME "MPI_Comm_get_name"
  
  /*@
    MPI_Comm_get_name - Return the print name from the communicator
  
  Input Parameters:
  . comm - Communicator to get name of (handle)
  
  Output Parameters:
  + comm_name - On output, contains the name of the communicator.  It must
    be an array of size at least 'MPI_MAX_OBJECT_NAME'.
  - resultlen - Number of characters in name
  
   Notes:
  
  .N COMMNULL
  
  .N ThreadSafeNoUpdate
  
  .N Fortran
  
  .N Errors
  .N MPI_SUCCESS
  .N MPI_ERR_COMM
  @*/
  int MPI_Comm_get_name(MPI_Comm comm, char *comm_name, int *resultlen)
  {
      int mpi_errno = MPI_SUCCESS;
      MPIR_Comm *comm_ptr = NULL;
      MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_COMM_GET_NAME);
  
      MPIR_ERRTEST_INITIALIZED_ORDIE();
  
      MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_COMM_GET_NAME);
  
      /* Validate parameters, especially handles needing to be converted */
  #ifdef HAVE_ERROR_CHECKING
      {
          MPID_BEGIN_ERROR_CHECKS;
          {
              MPIR_ERRTEST_COMM(comm, mpi_errno);
          }
          MPID_END_ERROR_CHECKS;
      }
  #endif /* HAVE_ERROR_CHECKING */
  
      /* Validate parameters and objects (post conversion) */
      MPIR_Comm_get_ptr(comm, comm_ptr);
  
      /* Validate parameters and objects (post conversion) */
  #ifdef HAVE_ERROR_CHECKING
      {
          MPID_BEGIN_ERROR_CHECKS;
          {
              MPIR_Comm_valid_ptr(comm_ptr, mpi_errno, TRUE);
              if (mpi_errno)
                  goto fn_fail;
  
              /* If comm_ptr is not valid, it will be reset to null */
              MPIR_ERRTEST_ARGNULL(comm_name, "comm_name", mpi_errno);
              MPIR_ERRTEST_ARGNULL(resultlen, "resultlen", mpi_errno);
          }
          MPID_END_ERROR_CHECKS;
      }
  #endif /* HAVE_ERROR_CHECKING */
  
      /* ... body of routine ...  */
  
      MPIR_Comm_get_name_impl(comm_ptr, comm_name, resultlen);
  
      /* ... end of body of routine ... */
  
  #ifdef HAVE_ERROR_CHECKING
    fn_exit:
  #endif
      MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_COMM_GET_NAME);
      return mpi_errno;
  
      /* --BEGIN ERROR HANDLING-- */
  #ifdef HAVE_ERROR_CHECKING
    fn_fail:
      {
          mpi_errno =
              MPIR_Err_create_code(mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER,
                                   "**mpi_comm_get_name", "**mpi_comm_get_name %C %p %p", comm,
                                   comm_name, resultlen);
      }
      mpi_errno = MPIR_Err_return_comm(comm_ptr, FCNAME, mpi_errno);
      goto fn_exit;
  #endif
      /* --END ERROR HANDLING-- */
  }
  