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/*
* rmalloc.c
*/
#include "csf.h"
#include "csfimpl.h"
/* allocate dynamic memory large enough to hold in-file and app cells
* Rmalloc allocates memory to hold nrOfCells
* cells in both the in-file and app cell representation. Allocation
* is done by malloc for other users. Our own (utrecht university) applications
* calls ChkMalloc. Freeing memory allocated by Rmalloc is done by free (or Free).
*
* NOTE
* Note that a possible RuseAs call must be done BEFORE Rmalloc.
*
* returns
* a pointer the allocated memory or
* NULL
* if the request fails
*
* example
* .so examples/_row.tr
*/
void *Rmalloc(
const MAP *m, /* map handle */
size_t nrOfCells) /* number of cells allocated memory must hold */
{
CSF_CR inFileCR = RgetCellRepr(m);
CSF_CR largestCellRepr =
LOG_CELLSIZE(m->appCR) > LOG_CELLSIZE(inFileCR)
? m->appCR : inFileCR;
return CSF_MALLOC((size_t)CSFSIZEOF(nrOfCells, largestCellRepr));
}
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