From a334319f6530564d22e775935d9c91663623a1b4 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 22 Dec 2004 20:10:10 +0000 Subject: (CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4. --- misc/sbrk.c | 56 -------------------------------------------------------- 1 file changed, 56 deletions(-) delete mode 100644 misc/sbrk.c (limited to 'misc/sbrk.c') diff --git a/misc/sbrk.c b/misc/sbrk.c deleted file mode 100644 index 0df60076cc..0000000000 --- a/misc/sbrk.c +++ /dev/null @@ -1,56 +0,0 @@ -/* Copyright (C) 1991,1995,1996,1997,2000,2002 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include -#include - -/* Defined in brk.c. */ -extern void *__curbrk; -extern int __brk (void *addr); - -/* Defined in init-first.c. */ -extern int __libc_multiple_libcs attribute_hidden; - -/* Extend the process's data space by INCREMENT. - If INCREMENT is negative, shrink data space by - INCREMENT. - Return start of new space allocated, or -1 for errors. */ -void * -__sbrk (intptr_t increment) -{ - void *oldbrk; - - /* If this is not part of the dynamic library or the library is used - via dynamic loading in a statically linked program update - __curbrk from the kernel's brk value. That way two separate - instances of __brk and __sbrk can share the heap, returning - interleaved pieces of it. */ - if (__curbrk == NULL || __libc_multiple_libcs) - if (__brk (0) < 0) /* Initialize the break. */ - return (void *) -1; - - if (increment == 0) - return __curbrk; - - oldbrk = __curbrk; - if (__brk (oldbrk + increment) < 0) - return (void *) -1; - - return oldbrk; -} -libc_hidden_def (__sbrk) -weak_alias (__sbrk, sbrk) -- cgit 1.4.1