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Annotation of 43BSDReno/usr.sbin/sendmail/src/trace.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 provided
        !             7:  * that: (1) source distributions retain this entire copyright notice and
        !             8:  * comment, and (2) distributions including binaries display the following
        !             9:  * acknowledgement:  ``This product includes software developed by the
        !            10:  * University of California, Berkeley and its contributors'' in the
        !            11:  * documentation or other materials provided with the distribution and in
        !            12:  * all advertising materials mentioning features or use of this software.
        !            13:  * Neither the name of the University nor the names of its contributors may
        !            14:  * be used to endorse or promote products derived from this software without
        !            15:  * specific prior written permission.
        !            16:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            17:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            18:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            19:  */
        !            20: 
        !            21: #ifndef lint
        !            22: static char sccsid[] = "@(#)trace.c    5.6 (Berkeley) 6/1/90";
        !            23: #endif /* not lint */
        !            24: 
        !            25: # include "sendmail.h"
        !            26: 
        !            27: /*
        !            28: **  TtSETUP -- set up for trace package.
        !            29: **
        !            30: **     Parameters:
        !            31: **             vect -- pointer to trace vector.
        !            32: **             size -- number of flags in trace vector.
        !            33: **             defflags -- flags to set if no value given.
        !            34: **
        !            35: **     Returns:
        !            36: **             none
        !            37: **
        !            38: **     Side Effects:
        !            39: **             environment is set up.
        !            40: */
        !            41: 
        !            42: u_char         *tTvect;
        !            43: int            tTsize;
        !            44: static char    *DefFlags;
        !            45: 
        !            46: tTsetup(vect, size, defflags)
        !            47:        u_char *vect;
        !            48:        int size;
        !            49:        char *defflags;
        !            50: {
        !            51:        tTvect = vect;
        !            52:        tTsize = size;
        !            53:        DefFlags = defflags;
        !            54: }
        !            55: /*
        !            56: **  TtFLAG -- process an external trace flag description.
        !            57: **
        !            58: **     Parameters:
        !            59: **             s -- the trace flag.
        !            60: **
        !            61: **     Returns:
        !            62: **             none.
        !            63: **
        !            64: **     Side Effects:
        !            65: **             sets/clears trace flags.
        !            66: */
        !            67: 
        !            68: tTflag(s)
        !            69:        register char *s;
        !            70: {
        !            71:        int first, last;
        !            72:        register int i;
        !            73: 
        !            74:        if (*s == '\0')
        !            75:                s = DefFlags;
        !            76: 
        !            77:        for (;;)
        !            78:        {
        !            79:                /* find first flag to set */
        !            80:                i = 0;
        !            81:                while (isdigit(*s))
        !            82:                        i = i * 10 + (*s++ - '0');
        !            83:                first = i;
        !            84: 
        !            85:                /* find last flag to set */
        !            86:                if (*s == '-')
        !            87:                {
        !            88:                        i = 0;
        !            89:                        while (isdigit(*++s))
        !            90:                                i = i * 10 + (*s - '0');
        !            91:                }
        !            92:                last = i;
        !            93: 
        !            94:                /* find the level to set it to */
        !            95:                i = 1;
        !            96:                if (*s == '.')
        !            97:                {
        !            98:                        i = 0;
        !            99:                        while (isdigit(*++s))
        !           100:                                i = i * 10 + (*s - '0');
        !           101:                }
        !           102: 
        !           103:                /* clean up args */
        !           104:                if (first >= tTsize)
        !           105:                        first = tTsize - 1;
        !           106:                if (last >= tTsize)
        !           107:                        last = tTsize - 1;
        !           108: 
        !           109:                /* set the flags */
        !           110:                while (first <= last)
        !           111:                        tTvect[first++] = i;
        !           112: 
        !           113:                /* more arguments? */
        !           114:                if (*s++ == '\0')
        !           115:                        return;
        !           116:        }
        !           117: }

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