source: trunk/third/sendmail/src/trace.c @ 12554

/*
 * Copyright (c) 1998 Sendmail, Inc.  All rights reserved.
 * Copyright (c) 1983, 1995-1997 Eric P. Allman.  All rights reserved.
 * Copyright (c) 1988, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * By using this file, you agree to the terms and conditions set
 * forth in the LICENSE file which can be found at the top level of
 * the sendmail distribution.
 *
 */

#ifndef lint
static char sccsid[] = "@(#)trace.c     8.12 (Berkeley) 5/19/1998";
#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;

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

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

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

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

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

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