logger: "clean up" a dirty hack a bit

sysklogd/syslogd_and_logger.c

@@ -0,0 +1,51 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * prioritynames[] and facilitynames[]
+ *
+ * Copyright (C) 2008 by Denys Vlasenko <vda.linux@gmail.com>
+ *
+ * Licensed under GPLv2, see file LICENSE in this tarball for details.
+ */
+
+#include "libbb.h"
+#define SYSLOG_NAMES
+#define SYSLOG_NAMES_CONST
+#include <syslog.h>
+
+#if 0
+/* For the record: with SYSLOG_NAMES <syslog.h> defines
+ * (not declares) the following:
+ */
+typedef struct _code {
+	/*const*/ char *c_name;
+	int c_val;
+} CODE;
+/*const*/ CODE prioritynames[] = {
+    { "alert", LOG_ALERT },
+...
+    { NULL, -1 }
+};
+/* same for facilitynames[] */
+
+/* This MUST occur only once per entire executable,
+ * therefore we can't just do it in syslogd.c and logger.c -
+ * there will be two copies of it.
+ *
+ * We cannot even do it in separate file and then just reference
+ * prioritynames[] from syslogd.c and logger.c - bare <syslog.h>
+ * will not emit extern decls for prioritynames[]! Attempts to
+ * emit "matching" struct _code declaration defeat the whole purpose
+ * of <syslog.h>.
+ *
+ * For now, syslogd.c and logger.c are simply compiled into
+ * one object file.
+ */
+#endif
+
+#if ENABLE_SYSLOGD
+#include "syslogd.c"
+#endif
+
+#if ENABLE_LOGGER
+#include "logger.c"
+#endif