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cuberite-2a
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Fixed Integer pasing warnings in CraftingRecipies.cpp

This commit is contained in:
Tycho 2014-08-13 13:03:56 +01:00
parent c3c3d3a72d
commit 781e1e6264
2 changed files with 64 additions and 4 deletions
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6
src/CraftingRecipes.cpp
View File

@ -392,8 +392,7 @@ void cCraftingRecipes::AddRecipeLine(int a_LineNum, const AString & a_RecipeLine
}
if (ResultSplit.size() > 1)
{
Recipe->m_Result.m_ItemCount = atoi(ResultSplit[1].c_str());
if (Recipe->m_Result.m_ItemCount == 0)
if (!StringToInteger<char>(ResultSplit[1].c_str(), Recipe->m_Result.m_ItemCount))
{
LOGWARNING("crafting.txt: line %d: Cannot parse result count, ignoring the recipe.", a_LineNum);
LOGINFO("Offending line: \"%s\"", a_RecipeLine.c_str());
@ -445,8 +444,7 @@ bool cCraftingRecipes::ParseItem(const AString & a_String, cItem & a_Item)
if (Split.size() > 1)
{
AString Damage = TrimString(Split[1]);
a_Item.m_ItemDamage = atoi(Damage.c_str());
if ((a_Item.m_ItemDamage == 0) && (Damage.compare("0") != 0))
if (!StringToInteger<short>(Damage.c_str(), a_Item.m_ItemDamage))
{
// Parsing the number failed
return false;

62
src/StringUtils.h
View File

@ -99,6 +99,68 @@ extern int GetBEInt(const char * a_Mem);
/// Writes four bytes to the specified memory location so that they interpret as BigEndian int
extern void SetBEInt(char * a_Mem, Int32 a_Value);
/// Parses any integer type. Checks bounds and
template<class T>
bool StringToInteger(AString a_str, T& a_Num)
{
size_t i = 0;
T positive = true;
T result = 0;
if (a_str[0] == '+')
{
i++;
}
else if (a_str[0] == '-')
{
i++;
positive = false;
}
if (positive)
{
for(; i <= a_str.size(); i++)
{
if ((a_str[i] <= '0') || (a_str[i] >= '9'))
{
return false;
}
if (std::numeric_limits<T>::max() / 10 < result)
{
return false;
}
result *= 10;
T digit = a_str[i] - '0';
if (std::numeric_limits<T>::max() - digit < result)
{
return false;
}
result += digit;
}
}
else
{
for(; i <= a_str.size(); i++)
{
if ((a_str[i] <= '0') || (a_str[i] >= '9'))
{
return false;
}
if (std::numeric_limits<T>::min() / 10 > result)
{
return false;
}
result *= 10;
T digit = a_str[i] - '0';
if (std::numeric_limits<T>::min() + digit > result)
{
return false;
}
result -= digit;
}
}
a_Num = result;
return true;
}
// If you have any other string helper functions, declare them here