RolandWH/caesarcrypt
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explicitly cast int maths to char

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This commit is contained in:
Roland W-H 2022-11-05 10:50:42 +00:00
parent c6b5f1bad7
commit cb01b27501
1 changed files with 3 additions and 3 deletions
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6
src/crypt.c
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@ -38,7 +38,7 @@ void caesar_encrypt(char* str, int size, int key)
if (str[i] != ' ') if (str[i] != ' ')
{ {
bool upper = isupper(str[i]); bool upper = isupper(str[i]);
str[i] += key - (upper ? 65 : 97); str[i] += (char)key - (upper ? 65 : 97);
str[i] %= 26; str[i] %= 26;
str[i] += (upper ? 65 : 97); str[i] += (upper ? 65 : 97);
} }
@ -51,8 +51,8 @@ void caesar_decrypt(char* str, int size, int key)
if (str[i] != ' ') if (str[i] != ' ')
{ {
bool upper = isupper(str[i]); bool upper = isupper(str[i]);
str[i] = str[i] - key - (upper ? 65 : 97); str[i] = str[i] - (char)key - (upper ? 65 : 97);
str[i] = mod(str[i], 26); str[i] = (char)mod(str[i], 26);
str[i] += (upper ? 65 : 97); str[i] += (upper ? 65 : 97);
} }
} }