diff options
author | Eric Andersen <andersen@codepoet.org> | 2002-01-21 02:39:29 +0000 |
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committer | Eric Andersen <andersen@codepoet.org> | 2002-01-21 02:39:29 +0000 |
commit | 55497563115712ac1ec2c70713357a7489291037 (patch) | |
tree | 725de76ccf89cc82389dae206db3a77f8f86c9cf /libc/sysdeps/linux/i386/sbrk.c | |
parent | 84fd661079f473310ea6f05771d5deea6d3c8e9c (diff) |
Make sbrk common, add arm/brk.c, cleanup leftover damage
Diffstat (limited to 'libc/sysdeps/linux/i386/sbrk.c')
-rw-r--r-- | libc/sysdeps/linux/i386/sbrk.c | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/libc/sysdeps/linux/i386/sbrk.c b/libc/sysdeps/linux/i386/sbrk.c deleted file mode 100644 index a3b1c07b5..000000000 --- a/libc/sysdeps/linux/i386/sbrk.c +++ /dev/null @@ -1,45 +0,0 @@ -/* Copyright (C) 1991, 1995, 1996, 1997, 2000 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 <unistd.h> -#include <errno.h> - -/* Defined in brk.c. */ -extern void *___brk_addr; -extern int brk (void *addr); - -/* 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 (___brk_addr == NULL) - if (brk (0) < 0) /* Initialize the break. */ - return (void *) -1; - - if (increment == 0) - return ___brk_addr; - - oldbrk = ___brk_addr; - if (brk (oldbrk + increment) < 0) - return (void *) -1; - - return oldbrk; -} |