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Short circuit empty inputs.

This commit is contained in:
Chris Ross 2015-04-06 11:56:27 -07:00
parent c24a40517f
commit 31dae81405
1 changed files with 6 additions and 0 deletions
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6
src/Microsoft.AspNet.WebUtilities/WebEncoders.cs
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@ -41,6 +41,12 @@ namespace Microsoft.AspNet.WebUtilities
{ {
ValidateParameters(input.Length, offset, count); ValidateParameters(input.Length, offset, count);
// Special-case empty input
if (count == 0)
{
return new byte[0];
}
// Assumption: input is base64url encoded without padding and contains no whitespace. // Assumption: input is base64url encoded without padding and contains no whitespace.
// First, we need to add the padding characters back. // First, we need to add the padding characters back.