usr/src/usr.sbin/sendmail/src/trace.c

/*
 * Copyright (c) 1983 Eric P. Allman
 * Copyright (c) 1988 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef lint
static char sccsid[] = "@(#)trace.c     5.6 (Berkeley) 6/1/90";
#endif /* not lint */

# include "sendmail.h"

/*
**  TtSETUP -- set up for trace package.
**
**      Parameters:
**              vect -- pointer to trace vector.
**              size -- number of flags in trace vector.
**              defflags -- flags to set if no value given.
**
**      Returns:
**              none
**
**      Side Effects:
**              environment is set up.
*/

u_char          *tTvect;
int             tTsize;
static char     *DefFlags;

tTsetup(vect, size, defflags)
        u_char *vect;
        int size;
        char *defflags;
{
        tTvect = vect;
        tTsize = size;
        DefFlags = defflags;
}
\f/*
**  TtFLAG -- process an external trace flag description.
**
**      Parameters:
**              s -- the trace flag.
**
**      Returns:
**              none.
**
**      Side Effects:
**              sets/clears trace flags.
*/

tTflag(s)
        register char *s;
{
        int first, last;
        register int i;

        if (*s == '\0')
                s = DefFlags;

        for (;;)
        {
                /* find first flag to set */
                i = 0;
                while (isdigit(*s))
                        i = i * 10 + (*s++ - '0');
                first = i;

                /* find last flag to set */
                if (*s == '-')
                {
                        i = 0;
                        while (isdigit(*++s))
                                i = i * 10 + (*s - '0');
                }
                last = i;

                /* find the level to set it to */
                i = 1;
                if (*s == '.')
                {
                        i = 0;
                        while (isdigit(*++s))
                                i = i * 10 + (*s - '0');
                }

                /* clean up args */
                if (first >= tTsize)
                        first = tTsize - 1;
                if (last >= tTsize)
                        last = tTsize - 1;

                /* set the flags */
                while (first <= last)
                        tTvect[first++] = i;

                /* more arguments? */
                if (*s++ == '\0')
                        return;
        }
}