From 4eaa558ca119936483c55daf232ece37496eddb4 Mon Sep 17 00:00:00 2001
From: smatz <smatz@openttd.org>
Date: Tue, 17 Nov 2009 23:08:55 +0000
Subject: (svn r18155) -Codechange: in MakeScreenshotName(), don't return
 pointer to local static variable - use global one instead

---
 src/console_cmds.cpp |  2 +-
 src/screenshot.cpp   | 10 +++++-----
 src/screenshot.h     | 10 ++++++----
 3 files changed, 12 insertions(+), 10 deletions(-)

(limited to 'src')

diff --git a/src/console_cmds.cpp b/src/console_cmds.cpp
index 85cfe6199..80a0d557e 100644
--- a/src/console_cmds.cpp
+++ b/src/console_cmds.cpp
@@ -1232,7 +1232,7 @@ DEF_CONSOLE_CMD(ConScreenShot)
 			/* screenshot filename */
 			name = argv[1];
 		} else {
-			/* screenshot argv[1] argv[2] - invalid*/
+			/* screenshot argv[1] argv[2] - invalid */
 			return false;
 		}
 	}
diff --git a/src/screenshot.cpp b/src/screenshot.cpp
index 542406a0d..995fb1acf 100644
--- a/src/screenshot.cpp
+++ b/src/screenshot.cpp
@@ -27,6 +27,7 @@ char _screenshot_format_name[8];
 uint _num_screenshot_formats;
 uint _cur_screenshot_format;
 char _screenshot_name[128];
+char _full_screenshot_name[MAX_PATH];
 static ScreenshotType _screenshot_type;
 
 /* called by the ScreenShot proc to generate screenshot lines. */
@@ -585,20 +586,19 @@ static const char *MakeScreenshotName(const char *ext)
 	size_t len = strlen(_screenshot_name);
 	snprintf(&_screenshot_name[len], lengthof(_screenshot_name) - len, ".%s", ext);
 
-	static char filename[MAX_PATH];
 	for (uint serial = 1;; serial++) {
-		if (snprintf(filename, lengthof(filename), "%s%s", _personal_dir, _screenshot_name) >= (int)lengthof(filename)) {
+		if (snprintf(_full_screenshot_name, lengthof(_full_screenshot_name), "%s%s", _personal_dir, _screenshot_name) >= (int)lengthof(_full_screenshot_name)) {
 			/* We need more characters than MAX_PATH -> end with error */
-			filename[0] = '\0';
+			_full_screenshot_name[0] = '\0';
 			break;
 		}
 		if (!generate) break; // allow overwriting of non-automatic filenames
-		if (!FileExists(filename)) break;
+		if (!FileExists(_full_screenshot_name)) break;
 		/* If file exists try another one with same name, but just with a higher index */
 		snprintf(&_screenshot_name[len], lengthof(_screenshot_name) - len, "#%u.%s", serial, ext);
 	}
 
-	return filename;
+	return _full_screenshot_name;
 }
 
 void RequestScreenshot(ScreenshotType t, const char *name)
diff --git a/src/screenshot.h b/src/screenshot.h
index f97be75c9..410ca59a0 100644
--- a/src/screenshot.h
+++ b/src/screenshot.h
@@ -17,10 +17,11 @@ void InitializeScreenshotFormats();
 const char *GetScreenshotFormatDesc(int i);
 void SetScreenshotFormat(int i);
 
+/** Type of requested screenshot */
 enum ScreenshotType {
-	SC_NONE,
-	SC_VIEWPORT,
-	SC_WORLD
+	SC_NONE,     ///< No screenshot requested
+	SC_VIEWPORT, ///< Screenshot of viewport
+	SC_WORLD,    ///< World screenshot
 };
 
 bool MakeScreenshot();
@@ -30,6 +31,7 @@ bool IsScreenshotRequested();
 extern char _screenshot_format_name[8];
 extern uint _num_screenshot_formats;
 extern uint _cur_screenshot_format;
-extern char _screenshot_name[];
+extern char _screenshot_name[128];
+extern char _full_screenshot_name[MAX_PATH];
 
 #endif /* SCREENSHOT_H */
-- 
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