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base64: fixes the error message for an invalid base64 input character [backport:1.2]

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This commit is contained in:
Andreas Rumpf 2020-09-20 00:05:41 +02:00
commit cbdda631db
1 changed files with 1 additions and 1 deletions
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lib/pure/base64.nim
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@ -230,11 +230,11 @@ proc decode*(s: string): string =
template inputChar(x: untyped) = template inputChar(x: untyped) =
let x = int decodeTable[ord(s[inputIndex])] let x = int decodeTable[ord(s[inputIndex])]
inc inputIndex
if x == invalidChar: if x == invalidChar:
raise newException(ValueError, raise newException(ValueError,
"Invalid base64 format character `" & s[inputIndex] & "Invalid base64 format character `" & s[inputIndex] &
"` (ord " & $s[inputIndex].ord & ") at location " & $inputIndex & ".") "` (ord " & $s[inputIndex].ord & ") at location " & $inputIndex & ".")
inc inputIndex
template outputChar(x: untyped) = template outputChar(x: untyped) =
result[outputIndex] = char(x and 255) result[outputIndex] = char(x and 255)