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2010-05-31 Kazu Hirata <kazu@codesourcery.com> 

* libc/stdlib/mallocr.c (malloc_extend_top): Backport the
        difference between versions 2.6.4 and 2.6.5.
This commit is contained in:
Jeff Johnston 2010-05-31 19:15:41 +00:00
parent 685e55e254
commit 4f5feab5ea
2 changed files with 15 additions and 2 deletions
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5
newlib/ChangeLog
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@ -1,3 +1,8 @@
2010-05-31 Kazu Hirata <kazu@codesourcery.com>
* libc/stdlib/mallocr.c (malloc_extend_top): Backport the
difference between versions 2.6.4 and 2.6.5.
2010-05-18 Christopher Faylor <me+cygwin@cgf.cx>
* libc/string/strsignal.c (strsignal): Avoid duplicate case statement

12
newlib/libc/stdlib/mallocr.c
View File

@ -8,12 +8,17 @@ int _dummy_mallocr = 1;
public domain. Send questions/comments/complaints/performance data
to dl@cs.oswego.edu
* VERSION 2.6.4 Thu Nov 28 07:54:55 1996 Doug Lea (dl at gee)
* VERSION 2.6.5 Wed Jun 17 15:55:16 1998 Doug Lea (dl at gee)
Note: There may be an updated version of this malloc obtainable at
ftp://g.oswego.edu/pub/misc/malloc.c
Check before installing!
Note: This version differs from 2.6.4 only by correcting a
statement ordering error that could cause failures only
when calls to this malloc are interposed with calls to
other memory allocators.
* Why use this malloc?
This is not the fastest, most space-conserving, most portable, or
@ -2223,11 +2228,11 @@ static void malloc_extend_top(RARG nb) RDECL INTERNAL_SIZE_T nb;
/* Also keep size a multiple of MALLOC_ALIGNMENT */
old_top_size = (old_top_size - 3*SIZE_SZ) & ~MALLOC_ALIGN_MASK;
set_head_size(old_top, old_top_size);
chunk_at_offset(old_top, old_top_size )->size =
SIZE_SZ|PREV_INUSE;
chunk_at_offset(old_top, old_top_size + SIZE_SZ)->size =
SIZE_SZ|PREV_INUSE;
set_head_size(old_top, old_top_size);
/* If possible, release the rest. */
if (old_top_size >= MINSIZE)
fREe(RCALL chunk2mem(old_top));
@ -3606,6 +3611,9 @@ int mALLOPt(RARG param_number, value) RDECL int param_number; int value;
History:
V2.6.5 Wed Jun 17 15:57:31 1998 Doug Lea (dl at gee)
* Fixed ordering problem with boundary-stamping
V2.6.3 Sun May 19 08:17:58 1996 Doug Lea (dl at gee)
* Added pvalloc, as recommended by H.J. Liu
* Added 64bit pointer support mainly from Wolfram Gloger