1 files changed, 46 insertions, 0 deletions
diff --git a/libbb/verror_msg.c b/libbb/verror_msg.c
new file mode 100644
index 0000000..0f018c5
--- /dev/null
+++ b/libbb/verror_msg.c
@@ -0,0 +1,46 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+#include "libbb.h"
+#include <syslog.h>
+
+int logmode = LOGMODE_STDIO;
+const char *msg_eol = "\n";
+
+void bb_verror_msg(const char *s, va_list p, const char* strerr)
+{
+	/* va_copy is used because it is not portable
+	 * to use va_list p twice */
+	va_list p2;
+	va_copy(p2, p);
+
+	if (logmode & LOGMODE_STDIO) {
+		fflush(stdout);
+		fprintf(stderr, "%s: ", applet_name);
+		vfprintf(stderr, s, p);
+		if (!strerr)
+			fputs(msg_eol, stderr);
+		else
+			fprintf(stderr, "%s%s%s",
+					s ? ": " : "",
+					strerr, msg_eol);
+	}
+	if (ENABLE_FEATURE_SYSLOG && (logmode & LOGMODE_SYSLOG)) {
+		if (!strerr)
+			vsyslog(LOG_ERR, s, p2);
+		else  {
+			char *msg;
+			if (vasprintf(&msg, s, p2) < 0)
+				bb_error_msg_and_die(bb_msg_memory_exhausted);
+			syslog(LOG_ERR, "%s: %s", msg, strerr);
+			free(msg);
+		}
+	}
+	va_end(p2);
+}