# HG changeset patch
# User rubidium <rubidium@openttd.org>
# Date 2008-09-28 13:50:11
# Node ID a65cfa37d4ad3d1063a2e6129e92abe8e385dd33
# Parent  bb8f88b66ccb13a5b56a34e3832b84f4047d1914

(svn r14410) -Codechange: one can't inject a negative number of parameters, so enforce this by using a uint.

diff --git a/src/strings.cpp b/src/strings.cpp
--- a/src/strings.cpp
+++ b/src/strings.cpp
@@ -191,8 +191,9 @@ void SetDParamStr(uint n, const char *st
 	SetDParam(n, (uint64)(size_t)str);
 }
 
-void InjectDParam(int amount)
+void InjectDParam(uint amount)
 {
+	assert((uint)amount < lengthof(_decode_parameters));
 	memmove(_decode_parameters + amount, _decode_parameters, sizeof(_decode_parameters) - amount * sizeof(uint64));
 }
 
diff --git a/src/strings_func.h b/src/strings_func.h
--- a/src/strings_func.h
+++ b/src/strings_func.h
@@ -11,7 +11,7 @@ char *InlineString(char *buf, StringID s
 char *GetString(char *buffr, StringID string, const char *last);
 const char *GetStringPtr(StringID string);
 
-void InjectDParam(int amount);
+void InjectDParam(uint amount);
 
 static inline void SetDParamX(uint64 *s, uint n, uint64 v)
 {