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// CXSparse/Source/cs_malloc: wrappers for malloc/calloc/realloc/free
// CXSparse, Copyright (c) 2006-2022, Timothy A. Davis. All Rights Reserved.
// SPDX-License-Identifier: LGPL-2.1+
#include "cs.h"
/* wrapper for malloc */
void *cs_malloc (CS_INT n, size_t size)
{
return (SuiteSparse_config_malloc (CS_MAX (n,1) * size)) ;
}
/* wrapper for calloc */
void *cs_calloc (CS_INT n, size_t size)
{
return (SuiteSparse_config_calloc (CS_MAX (n,1), size)) ;
}
/* wrapper for free */
void *cs_free (void *p)
{
if (p)
{
/* free p if it is not already NULL */
SuiteSparse_config_free (p) ;
}
return (NULL) ; /* return NULL to simplify the use of cs_free */
}
/* wrapper for realloc */
void *cs_realloc (void *p, CS_INT n, size_t size, CS_INT *ok)
{
void *pnew ;
/* realloc the block */
pnew = SuiteSparse_config_realloc (p, CS_MAX (n,1) * size) ;
*ok = (pnew != NULL) ; /* realloc fails if pnew is NULL */
return ((*ok) ? pnew : p) ; /* return original p if failure */
}
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