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//------------------------------------------------------------------------------
// GB_user_name_set: set the user_name of an object
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#include "get_set/GB_get_set.h"
GrB_Info GB_user_name_set
(
// input/output
char **object_user_name, // user_name of the object
size_t *object_user_name_size, // user_name_size of the object
// input
const char *new_name, // new name for the object
const bool only_once // if true, the name of the object can
// only be set once
)
{
if (only_once && (*object_user_name) != NULL)
{
// types, operators, monoids, and semirings can have their GrB_NAME
// set at most once
return (GrB_ALREADY_SET) ;
}
// free the object user_name, if it already exists
GB_FREE_MEMORY (object_user_name, (*object_user_name_size)) ;
(*object_user_name_size) = 0 ;
// get the length of the new name
size_t len = strlen (new_name) ;
if (len == 0)
{
// no new name; leave the object unnamed
return (GrB_SUCCESS) ;
}
// allocate the new name
size_t user_name_size ;
char *user_name = GB_MALLOC_MEMORY (len + 1, sizeof (char),
&user_name_size) ;
if (user_name == NULL)
{
// out of memory
return (GrB_OUT_OF_MEMORY) ;
}
// set the new user_name
strcpy (user_name, new_name) ;
(*object_user_name) = user_name ;
(*object_user_name_size) = user_name_size ;
return (GrB_SUCCESS) ;
}
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