76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
/******************************************************************************
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*
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* util.c - utility functions to print some numerical values in a nice fashion
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* Copyright (C) 2005 Peter Marschall
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*
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* ---
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* ---
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*
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* $Source$
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* $Revision$
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* Checked in by: $Author$
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*
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*******************************************************************************/
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#include "util.h"
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/** print a memory value with the correct unit to a given string */
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char *
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sprintf_memory(char *dst, double value, double roundlimit)
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{
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if (dst != NULL) {
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static char *units[] = { "", "k", "M", "G", "T", "P", "E", "Z", "Y", NULL };
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int offs = 0;
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char *format = "%.1f%s";
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if ((roundlimit <= 0.0) || (roundlimit > 1.0))
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roundlimit = 0.5;
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while (units[offs] != NULL) {
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if (value <= 1024 * roundlimit)
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break;
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offs++;
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value /= 1024;
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}
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if (value < 100)
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format = "%.2f%s";
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if (value < 10)
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format = "%.3f%s";
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sprintf(dst, format, value, units[offs]);
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}
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return dst;
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}
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/** print a percentage value to a given string */
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char *
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sprintf_percent(char *dst, double percent)
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{
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if (dst != NULL) {
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if (percent > 99.9)
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strcpy(dst, "100%");
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else
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sprintf(dst, "%.1f%%", (percent >= 0) ? percent : 0);
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}
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return dst;
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}
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/* EOF */
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