xref: /onnv-gate/usr/src/lib/libast/common/string/fmtversion.c (revision 12068:08a39a083754)
14887Schin /***********************************************************************
24887Schin *                                                                      *
34887Schin *               This software is part of the ast package               *
4*12068SRoger.Faulkner@Oracle.COM *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
54887Schin *                      and is licensed under the                       *
64887Schin *                  Common Public License, Version 1.0                  *
78462SApril.Chin@Sun.COM *                    by AT&T Intellectual Property                     *
84887Schin *                                                                      *
94887Schin *                A copy of the License is available at                 *
104887Schin *            http://www.opensource.org/licenses/cpl1.0.txt             *
114887Schin *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
124887Schin *                                                                      *
134887Schin *              Information and Software Systems Research               *
144887Schin *                            AT&T Research                             *
154887Schin *                           Florham Park NJ                            *
164887Schin *                                                                      *
174887Schin *                 Glenn Fowler <gsf@research.att.com>                  *
184887Schin *                  David Korn <dgk@research.att.com>                   *
194887Schin *                   Phong Vo <kpv@research.att.com>                    *
204887Schin *                                                                      *
214887Schin ***********************************************************************/
224887Schin #pragma prototyped
234887Schin /*
244887Schin  * Glenn Fowler
254887Schin  * AT&T Bell Laboratories
264887Schin  *
274887Schin  * return formatted <magicid.h> version string
284887Schin  */
294887Schin 
304887Schin #include <ast.h>
314887Schin 
324887Schin char*
fmtversion(register unsigned long v)334887Schin fmtversion(register unsigned long v)
344887Schin {
354887Schin 	register char*	cur;
364887Schin 	register char*	end;
374887Schin 	char*		buf;
384887Schin 	int		n;
394887Schin 
404887Schin 	buf = cur = fmtbuf(n = 18);
414887Schin 	end = cur + n;
424887Schin 	if (v >= 19700101L)
434887Schin 		sfsprintf(cur, end - cur, "%04lu-%02lu-%02lu", (v / 10000) % 10000, (v / 100) % 100, v % 100);
444887Schin 	else
454887Schin 	{
464887Schin 		if (n = (v >> 24) & 0xff)
474887Schin 			cur += sfsprintf(cur, end - cur, "%d.", n);
484887Schin 		if (n = (v >> 16) & 0xff)
494887Schin 			cur += sfsprintf(cur, end - cur, "%d.", n);
504887Schin 		sfsprintf(cur, end - cur, "%ld.%ld", (v >> 8) & 0xff, v & 0xff);
514887Schin 	}
524887Schin 	return buf;
534887Schin }
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