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-rw-r--r--src/error.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/error.h b/src/error.h
index 597b62efb..fe1ed659e 100644
--- a/src/error.h
+++ b/src/error.h
@@ -43,7 +43,7 @@ protected:
public:
ErrorMessageData(const ErrorMessageData &data);
~ErrorMessageData();
- ErrorMessageData(StringID summary_msg, StringID detailed_msg, uint duration = 0, int x = 0, int y = 0, const GRFFile *textref_stack_grffile = NULL, uint textref_stack_size = 0, const uint32 *textref_stack = NULL);
+ ErrorMessageData(StringID summary_msg, StringID detailed_msg, uint duration = 0, int x = 0, int y = 0, const GRFFile *textref_stack_grffile = nullptr, uint textref_stack_size = 0, const uint32 *textref_stack = nullptr);
/** Check whether error window shall display a company manager face */
bool HasFace() const { return face != INVALID_COMPANY; }
@@ -56,7 +56,7 @@ public:
void ScheduleErrorMessage(const ErrorMessageData &data);
-void ShowErrorMessage(StringID summary_msg, StringID detailed_msg, WarningLevel wl, int x = 0, int y = 0, const GRFFile *textref_stack_grffile = NULL, uint textref_stack_size = 0, const uint32 *textref_stack = NULL);
+void ShowErrorMessage(StringID summary_msg, StringID detailed_msg, WarningLevel wl, int x = 0, int y = 0, const GRFFile *textref_stack_grffile = nullptr, uint textref_stack_size = 0, const uint32 *textref_stack = nullptr);
void ClearErrorMessages();
void ShowFirstError();
void UnshowCriticalError();