fmtversion.c revision da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968
/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2007 AT&T Knowledge Ventures *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Knowledge Ventures *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* 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> *
* *
***********************************************************************/
#pragma prototyped
/*
* Glenn Fowler
* AT&T Bell Laboratories
*
* return formatted <magicid.h> version string
*/
#include <ast.h>
char*
fmtversion(register unsigned long v)
{
register char* cur;
register char* end;
char* buf;
int n;
buf = cur = fmtbuf(n = 18);
end = cur + n;
if (v >= 19700101L)
sfsprintf(cur, end - cur, "%04lu-%02lu-%02lu", (v / 10000) % 10000, (v / 100) % 100, v % 100);
else
{
if (n = (v >> 24) & 0xff)
cur += sfsprintf(cur, end - cur, "%d.", n);
if (n = (v >> 16) & 0xff)
cur += sfsprintf(cur, end - cur, "%d.", n);
sfsprintf(cur, end - cur, "%ld.%ld", (v >> 8) & 0xff, v & 0xff);
}
return buf;
}