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author | Ulrich Drepper <drepper@redhat.com> | 2005-12-14 15:06:39 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2005-12-14 15:06:39 +0000 |
commit | 9d13fb2413921c713f83efe331e8e4d219c62c6b (patch) | |
tree | 2d44d7ac45ab2d147eb8361bbff880c365aa8ad5 /malloc | |
parent | b6ab06cef4670e02756bcdd4d2c33a49369a4346 (diff) | |
download | glibc-9d13fb2413921c713f83efe331e8e4d219c62c6b.tar.gz glibc-9d13fb2413921c713f83efe331e8e4d219c62c6b.tar.xz glibc-9d13fb2413921c713f83efe331e8e4d219c62c6b.zip |
Moved to csu/errno-loc.c.
Diffstat (limited to 'malloc')
-rw-r--r-- | malloc/morecore.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/malloc/morecore.c b/malloc/morecore.c new file mode 100644 index 0000000000..0a66ef5a85 --- /dev/null +++ b/malloc/morecore.c @@ -0,0 +1,54 @@ +/* Copyright (C) 1991,92,93,94,95,97,2002,2004 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. */ + +#ifndef _MALLOC_INTERNAL +#define _MALLOC_INTERNAL +#include <malloc.h> +#endif + +#ifndef __GNU_LIBRARY__ +#define __sbrk sbrk +#endif + +#ifdef __GNU_LIBRARY__ +/* It is best not to declare this and cast its result on foreign operating + systems with potentially hostile include files. */ + +#include <stddef.h> +#include <stdlib.h> +extern __malloc_ptr_t __sbrk (ptrdiff_t increment) __THROW; +libc_hidden_proto (__sbrk) +#endif + +#ifndef NULL +#define NULL 0 +#endif + +/* Allocate INCREMENT more bytes of data space, + and return the start of data space, or NULL on errors. + If INCREMENT is negative, shrink data space. */ +__malloc_ptr_t +__default_morecore (increment) + __malloc_ptrdiff_t increment; +{ + __malloc_ptr_t result = (__malloc_ptr_t) __sbrk (increment); + if (result == (__malloc_ptr_t) -1) + return NULL; + return result; +} +libc_hidden_def (__default_morecore) |