1 files changed, 51 insertions, 0 deletions
diff --git a/wsutil/cmdarg_err.h b/wsutil/cmdarg_err.h
new file mode 100644
index 00000000..daa50524
--- /dev/null
+++ b/wsutil/cmdarg_err.h
@@ -0,0 +1,51 @@
+/** @file
+ *
+ * Declarations of routines to report command-line argument errors.
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef __CMDARG_ERR_H__
+#define __CMDARG_ERR_H__
+
+#include <wireshark.h>
+#include <stdarg.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/*
+ * Set the reporting functions for error messages.
+ */
+WS_DLL_PUBLIC void
+cmdarg_err_init(void (*err)(const char *, va_list),
+                void (*err_cont)(const char *, va_list));
+
+/*
+ * Report an error in command-line arguments.
+ */
+WS_DLL_PUBLIC void
+vcmdarg_err(const char *fmt, va_list ap)
+    G_GNUC_PRINTF(1, 0);
+
+WS_DLL_PUBLIC void
+cmdarg_err(const char *fmt, ...)
+    G_GNUC_PRINTF(1, 2);
+
+/*
+ * Report additional information for an error in command-line arguments.
+ */
+WS_DLL_PUBLIC void
+cmdarg_err_cont(const char *fmt, ...)
+    G_GNUC_PRINTF(1, 2);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __CMDARG_ERR_H__ */