1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85
|
//------------------------------------------------------------------------------
// GB_Pending_realloc: reallocate a list of pending tuples
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// Reallocate a list of pending tuples. If it fails, the list is freed.
#include "GB_Pending.h"
bool GB_Pending_realloc // reallocate a list of pending tuples
(
GB_Pending *PHandle, // Pending tuple list to reallocate
int64_t nnew, // # of new tuples to accomodate
GB_Context Context
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
ASSERT (PHandle != NULL) ;
GB_Pending Pending = (*PHandle) ;
//--------------------------------------------------------------------------
// ensure the list can hold at least nnew more tuples
//--------------------------------------------------------------------------
int64_t newsize = nnew + Pending->n ;
if (newsize > Pending->nmax)
{
//----------------------------------------------------------------------
// double the size if the list is not large enough
//----------------------------------------------------------------------
newsize = GB_IMAX (newsize, 2 * Pending->nmax) ;
//----------------------------------------------------------------------
// reallocate the i,j,x arrays
//----------------------------------------------------------------------
bool ok1 = true ;
bool ok2 = true ;
bool ok3 = true ;
GB_REALLOC (Pending->i, newsize, int64_t, &(Pending->i_size), &ok1,
Context) ;
if (Pending->j != NULL)
{
GB_REALLOC (Pending->j, newsize, int64_t, &(Pending->j_size), &ok2,
Context) ;
}
size_t s = Pending->size ;
if (Pending->x != NULL)
{
GB_REALLOC (Pending->x, newsize*s, GB_void, &(Pending->x_size),
&ok3, Context) ;
}
if (!ok1 || !ok2 || !ok3)
{
// out of memory
GB_Pending_free (PHandle) ;
return (false) ;
}
//----------------------------------------------------------------------
// record the new size of the Pending tuple list
//----------------------------------------------------------------------
Pending->nmax = newsize ;
}
//--------------------------------------------------------------------------
// return result
//--------------------------------------------------------------------------
return (true) ;
}
|