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\section{Wrappers around malloc}
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Routines that deal with memory allocation:

A LONG-AGO WISH: All dynamic allocation must be done before the stacks
and heap are allocated. This allows us to use the lower level sbrk
routines if required.

ANOTHER ONE: Should allow use of valloc to align on page boundary.

\begin{code}
#include "rtsdefs.h"

char *
stgMallocBytes(n, msg)
  I_   n;
  char *msg;
{
    char *space;

    if ((space = (char *) malloc((size_t) n)) == NULL) {
	fflush(stdout);
	MallocFailHook((W_) n, msg); /*msg*/
	EXIT(EXIT_FAILURE);
    }
    return space;
}

char *
stgMallocWords(n, msg)
  I_   n;
  char *msg;
{
  return(stgMallocBytes(n * sizeof(W_), msg));
}
\end{code}