Converts a src string encoded in "web safe" Base64 (RFC 4648 section 5) to its binary equivalent, writing it to a dest buffer, returning true on success. If src contains invalid characters, dest is cleared and returns false. If padding is included (note that WebSafeBase64Escape() does not produce it), it must be correct. In the padding, '=' and '.' are treated identically.

Synopsis

Declared in <absl/strings/escaping.h>

bool
WebSafeBase64Unescape(
    std::string_view src,
    std::string* dest);

Return Value

true on success, false if src contains invalid characters.

Parameters

Name

Description

src

The web‐safe base64‐encoded string to decode.

dest

The output string that receives the decoded bytes.

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