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Annotation of 43BSDTahoe/usr.lib/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
        !             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[] = "@(#)trace.c    5.5 (Berkeley) 6/30/88";
        !            21: #endif /* not lint */
        !            22: 
        !            23: # include "sendmail.h"
        !            24: 
        !            25: /*
        !            26: **  TtSETUP -- set up for trace package.
        !            27: **
        !            28: **     Parameters:
        !            29: **             vect -- pointer to trace vector.
        !            30: **             size -- number of flags in trace vector.
        !            31: **             defflags -- flags to set if no value given.
        !            32: **
        !            33: **     Returns:
        !            34: **             none
        !            35: **
        !            36: **     Side Effects:
        !            37: **             environment is set up.
        !            38: */
        !            39: 
        !            40: u_char         *tTvect;
        !            41: int            tTsize;
        !            42: static char    *DefFlags;
        !            43: 
        !            44: tTsetup(vect, size, defflags)
        !            45:        u_char *vect;
        !            46:        int size;
        !            47:        char *defflags;
        !            48: {
        !            49:        tTvect = vect;
        !            50:        tTsize = size;
        !            51:        DefFlags = defflags;
        !            52: }
        !            53: /*
        !            54: **  TtFLAG -- process an external trace flag description.
        !            55: **
        !            56: **     Parameters:
        !            57: **             s -- the trace flag.
        !            58: **
        !            59: **     Returns:
        !            60: **             none.
        !            61: **
        !            62: **     Side Effects:
        !            63: **             sets/clears trace flags.
        !            64: */
        !            65: 
        !            66: tTflag(s)
        !            67:        register char *s;
        !            68: {
        !            69:        int first, last;
        !            70:        register int i;
        !            71: 
        !            72:        if (*s == '\0')
        !            73:                s = DefFlags;
        !            74: 
        !            75:        for (;;)
        !            76:        {
        !            77:                /* find first flag to set */
        !            78:                i = 0;
        !            79:                while (isdigit(*s))
        !            80:                        i = i * 10 + (*s++ - '0');
        !            81:                first = i;
        !            82: 
        !            83:                /* find last flag to set */
        !            84:                if (*s == '-')
        !            85:                {
        !            86:                        i = 0;
        !            87:                        while (isdigit(*++s))
        !            88:                                i = i * 10 + (*s - '0');
        !            89:                }
        !            90:                last = i;
        !            91: 
        !            92:                /* find the level to set it to */
        !            93:                i = 1;
        !            94:                if (*s == '.')
        !            95:                {
        !            96:                        i = 0;
        !            97:                        while (isdigit(*++s))
        !            98:                                i = i * 10 + (*s - '0');
        !            99:                }
        !           100: 
        !           101:                /* clean up args */
        !           102:                if (first >= tTsize)
        !           103:                        first = tTsize - 1;
        !           104:                if (last >= tTsize)
        !           105:                        last = tTsize - 1;
        !           106: 
        !           107:                /* set the flags */
        !           108:                while (first <= last)
        !           109:                        tTvect[first++] = i;
        !           110: 
        !           111:                /* more arguments? */
        !           112:                if (*s++ == '\0')
        !           113:                        return;
        !           114:        }
        !           115: }

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