- fprintf(log_f, "<%d>%s ", priority, timebuf);
- if (log_ident) fprintf(log_f, "%s", log_ident);
- if (log_opt & LOG_PID) fprintf(log_f, "[%d]", getpid());
- if (log_ident) fprintf(log_f, ": ");
+ pid = (log_opt & LOG_PID) ? getpid() : 0;
+ l = snprintf(buf, sizeof buf, "<%d>%s %s%s%.0d%s: ",
+ priority, timebuf, log_ident, "["+!pid, pid, "]"+!pid);
+ l2 = vsnprintf(buf+l, sizeof buf - l, message, ap);
+ if (l2 >= 0) {
+ if (l2 >= sizeof buf - l) l = sizeof buf - 1;
+ else l += l2;
+ if (buf[l-1] != '\n') buf[l++] = '\n';
+ send(log_fd, buf, l, 0);
+ }
+}