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In the original ast code base, src/{cmd/nmake,lib/libast}/Makefile

Browse source 
(nmake makefiles) defined this macro:

	__OBSOLETE__ == $("6 months ago":@F=%(%Y0101)T)

This was used to automatically disable code after a period between
6 and 18 months, on 1st Jan of each year, in preprocessor
directives like:

	#if __OBSOLETE__ < 20080101
	// obsolete code here
	#endif

However, when compiling without nmake (as we do), this __OBSOLETE__
macro is not defined at all. And undefined macros evaluate to zero
in arithmetic comparisons, so all that obsolete code has been
getting compiled. Thankfully it doesn't seem to have done any harm,
but all that code was supposed to expire between 2008 and 2014.

src/lib/libast/disc/sfstrtmp.c:
- Removed. Was supposed to be a stub #if __OBSOLETE__ >= 20070101.

src/lib/libast/include/ast.h:
- Remove unused fmtbasell() macro (/* until 2014-01-01 */).

Other changed files:
- Remove __OBSOLETE__d code.
This commit is contained in:
Martijn Dekker 2022-01-04 08:24:40 +00:00
parent aee917f666
commit 01da863154
9 changed files with 1 additions and 151 deletions
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62
src/lib/libast/disc/sfstrtmp.c
View file

@ -1,62 +0,0 @@
/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2011 AT&T Intellectual Property *
* Copyright (c) 2020-2021 Contributors to ksh 93u+m *
* and is licensed under the *
* Eclipse Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.eclipse.org/org/documents/epl-v10.html *
* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
/*
* Glenn Fowler
* AT&T Research
*
* sfio tmp string buffer support
*/
#include <sfio_t.h>
#include <ast.h>
#if __OBSOLETE__ >= 20070101 /* sfstr* macros now use sfsetbuf() */
NoN(sfstrtmp)
#else
#if defined(__EXPORT__)
#define extern __EXPORT__
#endif
/*
* replace buffer in string stream f for either SF_READ or SF_WRITE
*/
extern int
sfstrtmp(register Sfio_t* f, int mode, void* buf, size_t siz)
{
if (!(f->_flags & SF_STRING))
return -1;
if (f->_flags & SF_MALLOC)
free(f->_data);
f->_flags &= ~(SF_ERROR|SF_MALLOC);
f->mode = mode;
f->_next = f->_data = (unsigned char*)buf;
f->_endw = f->_endr = f->_endb = f->_data + siz;
f->_size = siz;
return 0;
}
#endif