-
/*
- * error.c -- main error handling routines
- *
- * This code is Copyright (c) 2002, by the authors of nmh. See the
- * COPYRIGHT file in the root directory of the nmh distribution for
- * complete copyright information.
- */
+** error.c -- main error handling routines
+**
+** This code is Copyright (c) 2002, by the authors of nmh. See the
+** COPYRIGHT file in the root directory of the nmh distribution for
+** complete copyright information.
+*/
#include <h/mh.h>
/*
- * print out error message
- */
+** print out error message
+*/
void
advise (char *what, char *fmt, ...)
{
- va_list ap;
+ va_list ap;
- va_start(ap, fmt);
- advertise (what, NULL, fmt, ap);
- va_end(ap);
+ va_start(ap, fmt);
+ advertise (what, NULL, fmt, ap);
+ va_end(ap);
}
/*
- * print out error message and exit
- */
+** print out error message and exit
+*/
void
adios (char *what, char *fmt, ...)
{
- va_list ap;
+ va_list ap;
- va_start(ap, fmt);
- advertise (what, NULL, fmt, ap);
- va_end(ap);
- done (1);
+ va_start(ap, fmt);
+ advertise (what, NULL, fmt, ap);
+ va_end(ap);
+ done (1);
}
/*
- * admonish the user
- */
+** admonish the user
+*/
void
admonish (char *what, char *fmt, ...)
{
- va_list ap;
+ va_list ap;
- va_start(ap, fmt);
- advertise (what, "continuing...", fmt, ap);
- va_end(ap);
+ va_start(ap, fmt);
+ advertise (what, "continuing...", fmt, ap);
+ va_end(ap);
}
/*
- * main routine for printing error messages.
- *
- * Use writev() if available, 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()...
- */
+** main routine for printing error messages.
+**
+** Use writev() if available, 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()...
+*/
void
advertise (char *what, char *tail, char *fmt, va_list ap)
{
- int eindex = errno;
+ int eindex = errno;
#ifdef HAVE_WRITEV
- char buffer[BUFSIZ], err[BUFSIZ];
- struct iovec iob[20], *iov;
+ char buffer[BUFSIZ], err[BUFSIZ];
+ struct iovec iob[20], *iov;
#endif
- fflush (stdout);
+ fflush (stdout);
#ifdef HAVE_WRITEV
- fflush (stderr);
- iov = iob;
+ fflush (stderr);
+ iov = iob;
+
+ if (invo_name && *invo_name) {
+ iov->iov_len = strlen (iov->iov_base = invo_name);
+ iov++;
+ iov->iov_len = strlen (iov->iov_base = ": ");
+ iov++;
+ }
- if (invo_name && *invo_name) {
- iov->iov_len = strlen (iov->iov_base = invo_name);
- iov++;
- iov->iov_len = strlen (iov->iov_base = ": ");
+ vsnprintf (buffer, sizeof(buffer), fmt, ap);
+ iov->iov_len = strlen (iov->iov_base = buffer);
iov++;
- }
-
- vsnprintf (buffer, sizeof(buffer), fmt, ap);
- 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 (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 (!(iov->iov_base = strerror (eindex))) {
+ /* this shouldn't happen, but we'll test for it just in case */
+ snprintf (err, sizeof(err), "Error %d", eindex);
+ iov->iov_base = err;
+ }
+ iov->iov_len = strlen (iov->iov_base);
+ iov++;
}
- if (!(iov->iov_base = strerror (eindex))) {
- /* this shouldn't happen, but we'll test for it just in case */
- snprintf (err, sizeof(err), "Error %d", eindex);
- iov->iov_base = err;
+ 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);
+ iov->iov_len = strlen (iov->iov_base = "\n");
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++;
- writev (fileno (stderr), iob, iov - iob);
+ writev (fileno (stderr), iob, iov - iob);
#else
- if (invo_name && *invo_name)
- fprintf (stderr, "%s: ", invo_name);
- vfprintf (stderr, fmt, ap);
-
- if (what) {
- char *s;
-
- if (*what)
- fprintf (stderr, " %s: ", what);
- if ((s = strerror(eindex)))
- fprintf (stderr, "%s", s);
- else
- fprintf (stderr, "Error %d", eindex);
- }
- if (tail)
- fprintf (stderr, ", %s", tail);
- fputc ('\n', stderr);
+ if (invo_name && *invo_name)
+ fprintf (stderr, "%s: ", invo_name);
+ vfprintf (stderr, fmt, ap);
+
+ if (what) {
+ char *s;
+
+ if (*what)
+ fprintf (stderr, " %s: ", what);
+ if ((s = strerror(eindex)))
+ fprintf (stderr, "%s", s);
+ else
+ fprintf (stderr, "Error %d", eindex);
+ }
+ if (tail)
+ fprintf (stderr, ", %s", tail);
+ fputc ('\n', stderr);
#endif
}
projects / mmh / blobdiff