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Code Issues Activity Actions

Calculator: Use Checked to ensure entered values do not overflow

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This replaces the types of m_int_value and m_frac_value with
Checked<u64> which makes it possible to check if the value overflowed
when entering a digit. If that happens, the digit will just be ignored.

This fixes #1263.
This commit is contained in:
Max Wipfli 2021-05-23 21:23:07 +02:00 • committed by Linus Groh
parent 7a5407982f
commit 7b53ca5309
2 changed files with 23 additions and 17 deletions
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6
Userland/Applications/Calculator/Keypad.h
View file

@ -30,9 +30,9 @@ public:
private:
// Internal representation of the current decimal value.
bool m_negative { false };
long m_int_value { 0 };
long m_frac_value { 0 };
int m_frac_length { 0 };
Checked<u64> m_int_value { 0 };
Checked<u64> m_frac_value { 0 };
u8 m_frac_length { 0 };
// E.g. for -35.004200,
// m_negative = true
// m_int_value = 35