diff options
Diffstat (limited to 'libgloss/xstormy16/sbrk.c')
-rw-r--r-- | libgloss/xstormy16/sbrk.c | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/libgloss/xstormy16/sbrk.c b/libgloss/xstormy16/sbrk.c deleted file mode 100644 index cb18d68bf..000000000 --- a/libgloss/xstormy16/sbrk.c +++ /dev/null @@ -1,55 +0,0 @@ -/* sbrk.c -- allocate memory dynamically. - * - * Copyright (c) 1995,1996 Cygnus Support - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ -#include <errno.h> -#include "glue.h" - -/* just in case, most boards have at least some memory */ -#ifndef RAMSIZE -# define RAMSIZE (caddr_t)0x100000 -#endif - -char *heap_ptr; - -/* - * sbrk -- changes heap size size. Get nbytes more - * RAM. We just increment a pointer in what's - * left of memory on the board. - */ -char * -_sbrk (nbytes) - int nbytes; -{ - char *base; - - if (!heap_ptr) - heap_ptr = (char *)&_end; - base = heap_ptr; - heap_ptr += nbytes; - - return base; -/* FIXME: We really want to make sure we don't run out of RAM, but this - * isn't very portable. - */ -#if 0 - if ((RAMSIZE - heap_ptr - nbytes) >= 0) { - base = heap_ptr; - heap_ptr += nbytes; - return (base); - } else { - errno = ENOMEM; - return ((char *)-1); - } -#endif -} |