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Clean up att_align calculations so that XXXALIGN macros

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need not be bogus.
This commit is contained in:
Tom Lane
1999-03-25 03:49:34 +00:00
parent d471f8073a
commit 6febecc569
5 changed files with 125 additions and 144 deletions
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47
src/include/access/tupmacs.h
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@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: tupmacs.h,v 1.8 1999/02/13 23:20:59 momjian Exp $
* $Id: tupmacs.h,v 1.9 1999/03/25 03:49:26 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -62,43 +62,22 @@
(char *) (T) \
)
/* att_align aligns the given offset as needed for a datum of length attlen
* and alignment requirement attalign. In practice we don't need the length.
* The attalign cases are tested in what is hopefully something like their
* frequency of occurrence.
*/
#define att_align(cur_offset, attlen, attalign) \
( \
((attlen) < sizeof(int32)) ? \
( \
((attlen) == -1) ? \
((attalign) == 'i') ? INTALIGN(cur_offset) : \
(((attalign) == 'c') ? ((long)(cur_offset)) : \
(((attalign) == 'd') ? DOUBLEALIGN(cur_offset) : \
( \
((attalign) == 'd') ? DOUBLEALIGN(cur_offset) : \
INTALIGN(cur_offset) \
) \
: \
( \
((attlen) == sizeof(char)) ? \
( \
(long)(cur_offset) \
) \
: \
( \
AssertMacro((attlen) == sizeof(short)), \
SHORTALIGN(cur_offset) \
) \
) \
) \
: \
( \
((attlen) == sizeof(int32)) ? \
( \
INTALIGN(cur_offset) \
) \
: \
( \
AssertMacro((attlen) > sizeof(int32)), \
((attalign) == 'd') ? DOUBLEALIGN(cur_offset) : \
LONGALIGN(cur_offset) \
) \
) \
AssertMacro((attalign) == 's'), \
SHORTALIGN(cur_offset) \
))) \
)
#define att_addlength(cur_offset, attlen, attval) \
( \
((attlen) != -1) ? \