LINT

[unix-history] / usr / src / usr.sbin / sendmail / src / err.c

# include "sendmail.h"
# ifdef LOG
# include <syslog.h>
# endif LOG

static char     SccsId[] = "@(#)err.c   3.16    %G%";

/*
**  SYSERR -- Print error message.
**
**      Prints an error message via printf to the diagnostic
**      output.  If LOG is defined, it logs it also.
**
**      Parameters:
**              f -- the format string
**              a, b, c, d, e -- parameters
**
**      Returns:
**              none
**
**      Side Effects:
**              increments Errors.
**              sets ExitStat.
*/

# ifdef lint
int     sys_nerr;
char    *sys_errlist[];
# endif lint

/*VARARGS1*/
syserr(fmt, a, b, c, d, e)
       char *fmt;
{
       static char errbuf[MAXLINE+1];
       extern char Arpa_Syserr[];

       /* format the error message */
       fmtmsg(errbuf, (char *) NULL, Arpa_Syserr, fmt, a, b, c, d, e);

       /* output error message to transcript */
       fprintf(Xscript, "%s\n", errbuf);

       /* output error message to output channel if appropriate */
       if (!HoldErrs)
       {
               if (ArpaMode)
                       fprintf(OutChannel, "%s\r\n", errbuf);
               else
                       fprintf(OutChannel, "sendmail: %s\n", &errbuf[4]);
               (void) fflush(OutChannel);
       }

       Errors++;

       /* determine exit status if not already set */
       if (ExitStat == EX_OK)
       {
               if (errno == 0)
                       ExitStat = EX_SOFTWARE;
               else
                       ExitStat = EX_OSERR;
       }

# ifdef LOG
       syslog(LOG_ERR, "%s->%s: %s", From.q_paddr, To, &errbuf[4]);
# endif LOG
       errno = 0;
}
\f/*
**  USRERR -- Signal user error.
**
**      This is much like syserr except it is for user errors.
**
**      Parameters:
**              fmt, a, b, c, d -- printf strings
**
**      Returns:
**              none
**
**      Side Effects:
**              increments Errors.
*/

/*VARARGS1*/
usrerr(fmt, a, b, c, d, e)
       char *fmt;
{
       extern char SuprErrs;
       extern char Arpa_Usrerr[];

       if (SuprErrs)
               return;
       Errors++;

       message(Arpa_Usrerr, fmt, a, b, c, d, e);
}
\f/*
**  MESSAGE -- print message (not necessarily an error)
**
**      Parameters:
**              num -- the default ARPANET error number (in ascii)
**              msg -- the message (printf fmt) -- if it begins
**                      with a digit, this number overrides num.
**              a, b, c, d, e -- printf arguments
**
**      Returns:
**              none
**
**      Side Effects:
**              none.
*/

/*VARARGS2*/
message(num, msg, a, b, c, d, e)
       register char *num;
       register char *msg;
{
       char errbuf[MAXLINE];

       errno = 0;
       fmtmsg(errbuf, To, num, msg, a, b, c, d, e);

       /* output to transcript */
       fprintf(Xscript, "%s\n", errbuf);

       /* output to channel if appropriate */
       if (!HoldErrs)
       {
               if (ArpaMode)
                       fprintf(OutChannel, "%s\r\n", errbuf);
               else
                       fprintf(OutChannel, "%s\n", &errbuf[4]);
               (void) fflush(OutChannel);
       }
}
\f/*
**  FMTMSG -- format a message into buffer.
**
**      Parameters:
**              eb -- error buffer to get result.
**              to -- the recipient tag for this message.
**              num -- arpanet error number.
**              fmt -- format of string.
**              a, b, c, d, e -- arguments.
**
**      Returns:
**              none.
**
**      Side Effects:
**              none.
*/

/*VARARGS4*/
static
fmtmsg(eb, to, num, fmt, a, b, c, d, e)
       register char *eb;
       char *to;
       char *num;
       char *fmt;
{
       char del;

       /* output the reply code */
       if (isdigit(*fmt))
       {
               num = fmt;
               fmt += 4;
       }
       if (num[3] == '-')
               del = '-';
       else
               del = ' ';
       (void) sprintf(eb, "%3.3s%c", num, del);
       eb += 4;

       /* output the "to" person */
       if (to != NULL && to[0] != '\0')
       {
               (void) sprintf(eb, "%s... ", to);
               eb += strlen(eb);
       }

       /* output the message */
       (void) sprintf(eb, fmt, a, b, c, d, e);
       eb += strlen(eb);

       /* output the error code, if any */
       if (errno != 0)
       {
               extern int sys_nerr;
               extern char *sys_errlist[];
               if (errno < sys_nerr && errno > 0)
                       (void) sprintf(eb, ": %s", sys_errlist[errno]);
               else
                       (void) sprintf(eb, ": error %d", errno);
               eb += strlen(eb);
       }
}