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| author | Igor Pashev <pashev.igor@gmail.com> | 2012-06-24 22:28:35 +0000 |
|---|---|---|
| committer | Igor Pashev <pashev.igor@gmail.com> | 2012-06-24 22:28:35 +0000 |
| commit | 3950ffe2a485479f6561c27364d3d7df5a21d124 (patch) | |
| tree | 468c6e14449d1b1e279222ec32f676b0311917d2 /src/lib/libast/string/fmtelapsed.c | |
| download | ksh-upstream.tar.gz | |
Imported Upstream version 93u+upstream
Diffstat (limited to 'src/lib/libast/string/fmtelapsed.c')
| -rw-r--r-- | src/lib/libast/string/fmtelapsed.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/lib/libast/string/fmtelapsed.c b/src/lib/libast/string/fmtelapsed.c new file mode 100644 index 0000000..a1c5779 --- /dev/null +++ b/src/lib/libast/string/fmtelapsed.c @@ -0,0 +1,61 @@ +/*********************************************************************** +* * +* This software is part of the ast package * +* Copyright (c) 1985-2011 AT&T Intellectual Property * +* 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> * +* * +***********************************************************************/ +#pragma prototyped +/* + * return pointer to formatted elapsed time for u 1/n secs + * compatible with strelapsed() + * return value length is at most 7 + */ + +#include <ast.h> + +char* +fmtelapsed(register unsigned long u, register int n) +{ + register unsigned long t; + char* buf; + int z; + + if (u == 0L) + return "0"; + if (u == ~0L) + return "%"; + buf = fmtbuf(z = 8); + t = u / n; + if (t < 60) + sfsprintf(buf, z, "%lu.%02lus", t, (u * 100 / n) % 100); + else if (t < 60*60) + sfsprintf(buf, z, "%lum%02lus", t / 60, t - (t / 60) * 60); + else if (t < 24*60*60) + sfsprintf(buf, z, "%luh%02lum", t / (60*60), (t - (t / (60*60)) * (60*60)) / 60); + else if (t < 7*24*60*60) + sfsprintf(buf, z, "%lud%02luh", t / (24*60*60), (t - (t / (24*60*60)) * (24*60*60)) / (60*60)); + else if (t < 31*24*60*60) + sfsprintf(buf, z, "%luw%02lud", t / (7*24*60*60), (t - (t / (7*24*60*60)) * (7*24*60*60)) / (24*60*60)); + else if (t < 365*24*60*60) + sfsprintf(buf, z, "%luM%02lud", (t * 12) / (365*24*60*60), ((t * 12) - ((t * 12) / (365*24*60*60)) * (365*24*60*60)) / (12*24*60*60)); + else if (t < (365UL*4UL+1UL)*24UL*60UL*60UL) + sfsprintf(buf, z, "%luY%02luM", t / (365*24*60*60), ((t - (t / (365*24*60*60)) * (365*24*60*60)) * 5) / (152 * 24 * 60 * 60)); + else + sfsprintf(buf, z, "%luY%02luM", (t * 4) / ((365UL*4UL+1UL)*24UL*60UL*60UL), (((t * 4) - ((t * 4) / ((365UL*4UL+1UL)*24UL*60UL*60UL)) * ((365UL*4UL+1UL)*24UL*60UL*60UL)) * 5) / ((4 * 152 + 1) * 24 * 60 * 60)); + return buf; +} |