/* advertise.c - the heart of adios */ #ifndef lint static char ident[] = "@(#)$Id: advertise.c,v 1.3 1992/12/15 00:20:22 jromine Exp $"; #endif /* lint */ #include "../h/mh.h" #include <stdio.h> #ifdef BSD42 #include <sys/types.h> #include <sys/uio.h> #endif /* BSD42 */ /* For 4.2BSD systems, use writev() for slightly better performance. Why? Well, there are a couple of reasons. Primarily, it gives a smoother output... More importantly though, it's a sexy syscall()... */ extern int errno; #ifndef BSD44 /* in <stdio.h> */ extern int sys_nerr; extern char *sys_errlist[]; #endif /* */ /* VARARGS3 */ void advertise (what, tail, fmt, a, b, c, d, e, f) char *what, *tail, *fmt, *a, *b, *c, *d, *e, *f; { int eindex = errno; #ifdef BSD42 char buffer[BUFSIZ], err[BUFSIZ]; struct iovec iob[20]; register struct iovec *iov = iob; #endif /* BSD42 */ (void) fflush (stdout); #ifndef BSD42 if (invo_name && *invo_name) fprintf (stderr, "%s: ", invo_name); fprintf (stderr, fmt, a, b, c, d, e, f); if (what) { if (*what) fprintf (stderr, " %s: ", what); if (eindex > 0 && eindex < sys_nerr) fprintf (stderr, "%s", sys_errlist[eindex]); else fprintf (stderr, "Error %d", eindex); } if (tail) fprintf (stderr, ", %s", tail); (void) fputc ('\n', stderr); #else /* BSD42 */ (void) fflush (stderr); if (invo_name && *invo_name) { iov -> iov_len = strlen (iov -> iov_base = invo_name); iov++; iov -> iov_len = strlen (iov -> iov_base = ": "); iov++; } (void) sprintf (buffer, fmt, a, b, c, d, e, f); iov -> iov_len = strlen (iov -> iov_base = buffer); iov++; if (what) { if (*what) { iov -> iov_len = strlen (iov -> iov_base = " "); iov++; iov -> iov_len = strlen (iov -> iov_base = what); iov++; iov -> iov_len = strlen (iov -> iov_base = ": "); iov++; } if (eindex > 0 && eindex < sys_nerr) iov -> iov_len = strlen (iov -> iov_base = sys_errlist[eindex]); else { (void) sprintf (err, "Error %d", eindex); iov -> iov_len = strlen (iov -> iov_base = err); } iov++; } if (tail && *tail) { iov -> iov_len = strlen (iov -> iov_base = ", "); iov++; iov -> iov_len = strlen (iov -> iov_base = tail); iov++; } iov -> iov_len = strlen (iov -> iov_base = "\n"); iov++; (void) writev (fileno (stderr), iob, iov - iob); #endif /* BSD42 */ }