From 0cea64a632167e497a8a56757b1e4a70e9202e3b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Valverde?= <j@v6e.pt>
Date: Mon, 6 Feb 2023 22:46:45 +0000
Subject: Move ui/cmdarg_err.[ch] to wsutil

---
 wsutil/CMakeLists.txt |  2 ++
 wsutil/cmdarg_err.c   | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++
 wsutil/cmdarg_err.h   | 51 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 112 insertions(+)
 create mode 100644 wsutil/cmdarg_err.c
 create mode 100644 wsutil/cmdarg_err.h

(limited to 'wsutil')

diff --git a/wsutil/CMakeLists.txt b/wsutil/CMakeLists.txt
index 0935fcaba7..b72bbb54df 100644
--- a/wsutil/CMakeLists.txt
+++ b/wsutil/CMakeLists.txt
@@ -32,6 +32,7 @@ set(WSUTIL_PUBLIC_HEADERS
 	bits_ctz.h
 	bitswap.h
 	buffer.h
+	cmdarg_err.h
 	codecs.h
 	color.h
 	cpu_info.h
@@ -103,6 +104,7 @@ set(WSUTIL_COMMON_FILES
 	base32.c
 	bitswap.c
 	buffer.c
+	cmdarg_err.c
 	codecs.c
 	crash_info.c
 	crc10.c
diff --git a/wsutil/cmdarg_err.c b/wsutil/cmdarg_err.c
new file mode 100644
index 0000000000..85a4d8d45c
--- /dev/null
+++ b/wsutil/cmdarg_err.c
@@ -0,0 +1,59 @@
+/* cmdarg_err.c
+ * 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
+ */
+
+#include "config.h"
+
+#include "cmdarg_err.h"
+
+static void (*print_err)(const char *, va_list ap);
+static void (*print_err_cont)(const char *, va_list ap);
+
+/*
+ * Set the reporting functions for error messages.
+ */
+void
+cmdarg_err_init(void (*err)(const char *, va_list),
+                void (*err_cont)(const char *, va_list))
+{
+    print_err = err;
+    print_err_cont = err_cont;
+}
+
+/*
+ * Report an error in command-line arguments.
+ */
+void
+vcmdarg_err(const char *fmt, va_list ap)
+{
+    print_err(fmt, ap);
+}
+
+void
+cmdarg_err(const char *fmt, ...)
+{
+    va_list ap;
+
+    va_start(ap, fmt);
+    print_err(fmt, ap);
+    va_end(ap);
+}
+
+/*
+ * Report additional information for an error in command-line arguments.
+ */
+void
+cmdarg_err_cont(const char *fmt, ...)
+{
+    va_list ap;
+
+    va_start(ap, fmt);
+    print_err_cont(fmt, ap);
+    va_end(ap);
+}
diff --git a/wsutil/cmdarg_err.h b/wsutil/cmdarg_err.h
new file mode 100644
index 0000000000..daa50524e7
--- /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__ */
-- 
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