diff options
Diffstat (limited to 'libc/sysdeps/linux/common/sbrk.c')
| -rw-r--r-- | libc/sysdeps/linux/common/sbrk.c | 37 |
1 files changed, 14 insertions, 23 deletions
diff --git a/libc/sysdeps/linux/common/sbrk.c b/libc/sysdeps/linux/common/sbrk.c index d8507335b..d9a4d6899 100644 --- a/libc/sysdeps/linux/common/sbrk.c +++ b/libc/sysdeps/linux/common/sbrk.c @@ -1,47 +1,38 @@ -/* 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. */ +/* + * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ #include <unistd.h> #include <errno.h> +libc_hidden_proto(sbrk) + +libc_hidden_proto(brk) + /* Defined in brk.c. */ extern void *__curbrk; -extern int __brk (void *addr) attribute_hidden; - +libc_hidden_proto(__curbrk) /* 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 attribute_hidden * __sbrk (intptr_t increment) +void * sbrk (intptr_t increment) { void *oldbrk; if (__curbrk == NULL) - if (__brk (0) < 0) /* Initialize the break. */ + if (brk (0) < 0) /* Initialize the break. */ return (void *) -1; if (increment == 0) return __curbrk; oldbrk = __curbrk; - if (__brk (oldbrk + increment) < 0) + if (brk (oldbrk + increment) < 0) return (void *) -1; return oldbrk; } -strong_alias(__sbrk,sbrk) +libc_hidden_def(sbrk) |