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(svn r11026) -Fix: the name of a sign could sometimes be NULL causing crashes.

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This commit is contained in:
rubidium 2007-08-31 20:50:59 +00:00
parent c720d9d83a
commit 10475e88c6
1 changed files with 2 additions and 1 deletions
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3
src/signs.cpp
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@ -13,6 +13,7 @@
#include "saveload.h"
#include "command.h"
#include "variables.h"
#include "string.h"
#include "misc/autoptr.hpp"
SignID _new_sign_id;
@ -128,7 +129,7 @@ CommandCost CmdRenameSign(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
/* If _cmd_text 0 means the new text for the sign is non-empty.
* So rename the sign. If it is empty, it has no name, so delete it */
if (_cmd_text[0] != '\0') {
if (!StrEmpty(_cmd_text)) {
/* Create the name */
StringID str = AllocateName(_cmd_text, 0);
if (str == 0) return CMD_ERROR;