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//------------------------------------------------------------------------------
// GrB_Monoid_free: free a monoid
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#include "GB.h"
GrB_Info GrB_Monoid_free // free a user-created monoid
(
GrB_Monoid *monoid // handle of monoid to free
)
{
if (monoid != NULL)
{
// only free a dynamically-allocated monoid
GrB_Monoid mon = *monoid ;
if (mon != NULL)
{
size_t header_size = mon->header_size ;
if (header_size > 0)
{
mon->magic = GB_FREED ; // to help detect dangling pointers
mon->header_size = 0 ;
GB_FREE (&(mon->identity), mon->identity_size) ;
GB_FREE (&(mon->terminal), mon->terminal_size) ;
GB_FREE (monoid, header_size) ;
}
}
}
return (GrB_SUCCESS) ;
}
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