wireshark/Move-even-more-headers-outside-extern-C.patch

From e434d404d0db719440cc911729d225417a49b4f4 Mon Sep 17 00:00:00 2001
From: Guy Harris <gharris@sonic.net>
Date: Tue, 16 Mar 2021 04:33:00 -0700
Subject: [PATCH] Move even more headers outside extern "C".

If a header declares a function, or anything else requiring the extern
"C" decoration, have it wrap the declaration itself; don't rely on the
header itself being included inside extern "C".
---
 wsutil/cpu_info.h      |  2 --
 wsutil/file_util.h     | 12 ++++++------
 wsutil/plugins.h       |  7 +++----
 wsutil/processes.h     | 19 ++++++++++++++-----
 wsutil/time_util.h     |  4 ++--
 wsutil/unicode-utils.h | 10 ++++++----
 6 files changed, 31 insertions(+), 23 deletions(-)

diff --git a/wsutil/cpu_info.h b/wsutil/cpu_info.h
index 3579576..145b1be 100644
--- a/wsutil/cpu_info.h
+++ b/wsutil/cpu_info.h
@@ -17,8 +17,6 @@
 extern "C" {
 #endif /* __cplusplus */
 
-#include "ws_symbol_export.h"
-
 WS_DLL_PUBLIC void get_cpu_info(GString *str);
 
 #ifdef __cplusplus
diff --git a/wsutil/file_util.h b/wsutil/file_util.h
index 5d8f41a..1e8b726 100644
--- a/wsutil/file_util.h
+++ b/wsutil/file_util.h
@@ -15,10 +15,6 @@
 
 #include "ws_symbol_export.h"
 
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
 #ifdef _WIN32
 #include <io.h>		/* for _read(), _write(), etc. */
 #include <gmodule.h>
@@ -36,6 +32,12 @@ extern "C" {
 #include <sys/stat.h>	/* for stat() and struct stat */
 #endif
 
+#include <stdio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
 /*
  * Visual C++ on Win32 systems doesn't define these.  (Old UNIX systems don't
  * define them either.)
@@ -55,8 +57,6 @@ extern "C" {
 #define S_ISDIR(mode)   (((mode) & S_IFMT) == S_IFDIR)
 #endif
 
-#include <stdio.h>
-
 #ifdef _WIN32
 
 /*
diff --git a/wsutil/plugins.h b/wsutil/plugins.h
index 1a76c78..5ab8d0a 100644
--- a/wsutil/plugins.h
+++ b/wsutil/plugins.h
@@ -13,14 +13,13 @@
 
 #include <glib.h>
 
+#include <gmodule.h>
+#include "ws_symbol_export.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif /* __cplusplus */
 
-#include <gmodule.h>
-
-#include "ws_symbol_export.h"
-
 typedef void (*plugin_register_func)(void);
 
 typedef void plugins_t;
diff --git a/wsutil/processes.h b/wsutil/processes.h
index 03c76e8..61655c8 100644
--- a/wsutil/processes.h
+++ b/wsutil/processes.h
@@ -13,6 +13,20 @@
 
 #include "ws_symbol_export.h"
 
+#ifdef _WIN32
+/*
+ * On Windows, a process ID is a HANDLE.
+ * Include <windows.h> to make sure HANDLE is defined.
+ */
+#include <windows.h>
+#else
+/*
+ * On UN*X, a process ID is a pid_t.
+ * Include <sys/types.h> to make sure pid_t is defined.
+ */
+#include <sys/types.h>
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif /* __cplusplus */
@@ -20,9 +34,7 @@ extern "C" {
 #ifdef _WIN32
 /*
  * On Windows, a process ID is a HANDLE.
- * Include <windows.h> to make sure HANDLE is defined.
  */
-#include <windows.h>
 
 typedef HANDLE ws_process_id;
 
@@ -30,10 +42,7 @@ typedef HANDLE ws_process_id;
 #else
 /*
  * On UN*X, a process ID is a pid_t.
- * Include <sys/types.h> to make sure pid_t is defined.
  */
-#include <sys/types.h>
-
 typedef pid_t ws_process_id;
 
 #define WS_INVALID_PID    -1
diff --git a/wsutil/time_util.h b/wsutil/time_util.h
index 1cd430d..045ab6a 100644
--- a/wsutil/time_util.h
+++ b/wsutil/time_util.h
@@ -12,12 +12,12 @@
 
 #include "ws_symbol_export.h"
 
+#include <time.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif /* __cplusplus */
 
-#include <time.h>
-
 WS_DLL_PUBLIC
 time_t mktime_utc(struct tm *tm);
 
diff --git a/wsutil/unicode-utils.h b/wsutil/unicode-utils.h
index 8bb06ee..b7ab394 100644
--- a/wsutil/unicode-utils.h
+++ b/wsutil/unicode-utils.h
@@ -15,6 +15,12 @@
 
 #include <glib.h>
 
+#ifdef _WIN32
+#include <windows.h>
+#include <tchar.h>
+#include <wchar.h>
+#endif
+
 /**
  * @file
  * Unicode convenience routines.
@@ -29,10 +35,6 @@ int ws_utf8_char_len(guint8 ch);
 
 #ifdef _WIN32
 
-#include <windows.h>
-#include <tchar.h>
-#include <wchar.h>
-
 /** Given a UTF-8 string, convert it to UTF-16.  This is meant to be used
  * to convert between GTK+ 2.x (UTF-8) to Windows (UTF-16).
  *
-- 
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