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| author | Sara Golemon <sara.golemon@mongodb.com> | 2018-01-28 17:28:22 -0500 |
|---|---|---|
| committer | Sara Golemon <sara.golemon@mongodb.com> | 2018-02-01 19:06:12 -0500 |
| commit | 48152225232972473a420ac86100b0d870a5b875 (patch) | |
| tree | 8a1b96f6ef3ff4b03a62cc0683b86f3e8450bb75 /src/mongo/util/base64.h | |
| parent | 8bd1b06964b7721d194bdf63b8b1c402feb99388 (diff) | |
| download | mongo-48152225232972473a420ac86100b0d870a5b875.tar.gz | |
SERVER-33019 Update User object and DocumentParser to handle SCRAM-SHA-256
Diffstat (limited to 'src/mongo/util/base64.h')
| -rw-r--r-- | src/mongo/util/base64.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mongo/util/base64.h b/src/mongo/util/base64.h index a9f3ea93b57..b7fd8220f0f 100644 --- a/src/mongo/util/base64.h +++ b/src/mongo/util/base64.h @@ -46,5 +46,13 @@ std::string decode(const std::string& s); bool validate(StringData); +/** + * Calculate how large a given input would expand to. + * Effectively: ceil(inLen * 4 / 3) + */ +constexpr size_t encodedLength(size_t inLen) { + return static_cast<size_t>((inLen + 2.5) / 3) * 4; +} + } // namespace base64 } // namespace mongo |