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Annotation of 43BSDTahoe/usr.lib/sendmail/src/trace.c, revision 1.1.1.1

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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