newlib/libgloss/libnosys/sbrk.c

22 lines
366 B
C

/* Version of sbrk for no operating system. */
#include "config.h"
#include <_syslist.h>
void *
_sbrk (incr)
int incr;
{
extern char end; /* Set by linker. */
static char * heap_end;
char * prev_heap_end;
if (heap_end == 0)
heap_end = & end;
prev_heap_end = heap_end;
heap_end += incr;
return (void *) prev_heap_end;
}