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* [newlib-cygwin] Optional struct _reent::_new::_unused
@ 2022-05-18  5:58 Sebastian Huber
  0 siblings, 0 replies; only message in thread
From: Sebastian Huber @ 2022-05-18  5:58 UTC (permalink / raw)
  To: newlib-cvs

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=9035e406cbda2dcab02dde1c6bd7db0a6f6f1563

commit 9035e406cbda2dcab02dde1c6bd7db0a6f6f1563
Author: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date:   Fri May 13 14:56:24 2022 +0200

    Optional struct _reent::_new::_unused
    
    Rename struct _reent::_new::_unused members _nextf and _nmalloc to _reserved_3
    and _reserved_4, respectively.   Rename struct _reent::_new member _unused to
    _reserved_5.  Provide them only if _REENT_BACKWARD_BINARY_COMPAT is defined.
    
    Remove unused _N_LISTS define.

Diff:
---
 newlib/libc/include/sys/reent.h | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/newlib/libc/include/sys/reent.h b/newlib/libc/include/sys/reent.h
index 6d6796ed3..b99cfe099 100644
--- a/newlib/libc/include/sys/reent.h
+++ b/newlib/libc/include/sys/reent.h
@@ -685,15 +685,13 @@ struct _reent
           _mbstate_t _wcsrtombs_state;
 	  int _h_errno;
         } _reent;
-  /* Two next two fields were once used by malloc.  They are no longer
-     used. They are used to preserve the space used before so as to
-     allow addition of new reent fields and keep binary compatibility.   */
+#ifdef _REENT_BACKWARD_BINARY_COMPAT
       struct
         {
-#define _N_LISTS 30
-          unsigned char * _nextf[_N_LISTS];
-          unsigned int _nmalloc[_N_LISTS];
-        } _unused;
+          unsigned char * _reserved_3[30];
+          unsigned int _reserved_4[30];
+        } _reserved_5;
+#endif
     } _new;
 
 # ifndef _REENT_GLOBAL_ATEXIT


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