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Annotation of 43BSDTahoe/usr.lib/sendmail/src/convtime.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1983 Eric P. Allman
        !             3:  * Copyright (c) 1988 Regents of the University of California.
        !             4:  * All rights reserved.
        !             5:  *
        !             6:  * Redistribution and use in source and binary forms are permitted
        !             7:  * provided that the above copyright notice and this paragraph are
        !             8:  * duplicated in all such forms and that any documentation,
        !             9:  * advertising materials, and other materials related to such
        !            10:  * distribution and use acknowledge that the software was developed
        !            11:  * by the University of California, Berkeley.  The name of the
        !            12:  * University may not be used to endorse or promote products derived
        !            13:  * from this software without specific prior written permission.
        !            14:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            15:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            16:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            17:  */
        !            18: 
        !            19: #ifndef lint
        !            20: static char sccsid[] = "@(#)convtime.c 5.3 (Berkeley) 6/30/88";
        !            21: #endif /* not lint */
        !            22: 
        !            23: # include <ctype.h>
        !            24: # include "useful.h"
        !            25: 
        !            26: /*
        !            27: **  CONVTIME -- convert time
        !            28: **
        !            29: **     Takes a time as an ascii string with a trailing character
        !            30: **     giving units:
        !            31: **       s -- seconds
        !            32: **       m -- minutes
        !            33: **       h -- hours
        !            34: **       d -- days (default)
        !            35: **       w -- weeks
        !            36: **     For example, "3d12h" is three and a half days.
        !            37: **
        !            38: **     Parameters:
        !            39: **             p -- pointer to ascii time.
        !            40: **
        !            41: **     Returns:
        !            42: **             time in seconds.
        !            43: **
        !            44: **     Side Effects:
        !            45: **             none.
        !            46: */
        !            47: 
        !            48: time_t
        !            49: convtime(p)
        !            50:        char *p;
        !            51: {
        !            52:        register time_t t, r;
        !            53:        register char c;
        !            54: 
        !            55:        r = 0;
        !            56:        while (*p != '\0')
        !            57:        {
        !            58:                t = 0;
        !            59:                while (isdigit(c = *p++))
        !            60:                        t = t * 10 + (c - '0');
        !            61:                if (c == '\0')
        !            62:                        p--;
        !            63:                switch (c)
        !            64:                {
        !            65:                  case 'w':             /* weeks */
        !            66:                        t *= 7;
        !            67: 
        !            68:                  case 'd':             /* days */
        !            69:                  default:
        !            70:                        t *= 24;
        !            71: 
        !            72:                  case 'h':             /* hours */
        !            73:                        t *= 60;
        !            74: 
        !            75:                  case 'm':             /* minutes */
        !            76:                        t *= 60;
        !            77: 
        !            78:                  case 's':             /* seconds */
        !            79:                        break;
        !            80:                }
        !            81:                r += t;
        !            82:        }
        !            83: 
        !            84:        return (r);
        !            85: }
        !            86: /*
        !            87: **  PINTVL -- produce printable version of a time interval
        !            88: **
        !            89: **     Parameters:
        !            90: **             intvl -- the interval to be converted
        !            91: **             brief -- if TRUE, print this in an extremely compact form
        !            92: **                     (basically used for logging).
        !            93: **
        !            94: **     Returns:
        !            95: **             A pointer to a string version of intvl suitable for
        !            96: **                     printing or framing.
        !            97: **
        !            98: **     Side Effects:
        !            99: **             none.
        !           100: **
        !           101: **     Warning:
        !           102: **             The string returned is in a static buffer.
        !           103: */
        !           104: 
        !           105: # define PLURAL(n)     ((n) == 1 ? "" : "s")
        !           106: 
        !           107: char *
        !           108: pintvl(intvl, brief)
        !           109:        time_t intvl;
        !           110:        bool brief;
        !           111: {
        !           112:        static char buf[256];
        !           113:        register char *p;
        !           114:        int wk, dy, hr, mi, se;
        !           115: 
        !           116:        if (intvl == 0 && !brief)
        !           117:                return ("zero seconds");
        !           118: 
        !           119:        /* decode the interval into weeks, days, hours, minutes, seconds */
        !           120:        se = intvl % 60;
        !           121:        intvl /= 60;
        !           122:        mi = intvl % 60;
        !           123:        intvl /= 60;
        !           124:        hr = intvl % 24;
        !           125:        intvl /= 24;
        !           126:        if (brief)
        !           127:                dy = intvl;
        !           128:        else
        !           129:        {
        !           130:                dy = intvl % 7;
        !           131:                intvl /= 7;
        !           132:                wk = intvl;
        !           133:        }
        !           134: 
        !           135:        /* now turn it into a sexy form */
        !           136:        p = buf;
        !           137:        if (brief)
        !           138:        {
        !           139:                if (dy > 0)
        !           140:                {
        !           141:                        (void) sprintf(p, "%d+", dy);
        !           142:                        p += strlen(p);
        !           143:                }
        !           144:                (void) sprintf(p, "%02d:%02d:%02d", hr, mi, se);
        !           145:                return (buf);
        !           146:        }
        !           147: 
        !           148:        /* use the verbose form */
        !           149:        if (wk > 0)
        !           150:        {
        !           151:                (void) sprintf(p, ", %d week%s", wk, PLURAL(wk));
        !           152:                p += strlen(p);
        !           153:        }
        !           154:        if (dy > 0)
        !           155:        {
        !           156:                (void) sprintf(p, ", %d day%s", dy, PLURAL(dy));
        !           157:                p += strlen(p);
        !           158:        }
        !           159:        if (hr > 0)
        !           160:        {
        !           161:                (void) sprintf(p, ", %d hour%s", hr, PLURAL(hr));
        !           162:                p += strlen(p);
        !           163:        }
        !           164:        if (mi > 0)
        !           165:        {
        !           166:                (void) sprintf(p, ", %d minute%s", mi, PLURAL(mi));
        !           167:                p += strlen(p);
        !           168:        }
        !           169:        if (se > 0)
        !           170:        {
        !           171:                (void) sprintf(p, ", %d second%s", se, PLURAL(se));
        !           172:                p += strlen(p);
        !           173:        }
        !           174: 
        !           175:        return (buf + 2);
        !           176: }

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