Using fastbase64 to encode a file and put it in JSON about fastbase64 HOT 4 CLOSED

The count returned from strlen() doesn't include the terminating NULL char.
Therefore you didn't include the NULL char in the encoded stream.

After decoding, printf() runs until it encounters a NULL char...

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Thank you @aqrit.

@jcidaragones: base64 is meant to encode arbitrary binary data. In C, a string must be NULL terminated. So if you see "abc", it actually spans 4 bytes, even if strlen tells you that there are 3 bytes.

You have two ways around your issue:

1. Instead of printf("%s", string), do printf("%.*s", numberOfBytes, string).

2. Or else, replace strlen(string) by strlen(string) + 1 to account for the fact that you want to preserve the NULL character.

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I'm coding a program that should transfer a 160Mb file through JSON for an API and I wanted to test this AVX2 approach to encode the content of the file, paste the encoded string into the JSON and send it to the API.

You know about simdjson?

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I'm coding a program that should transfer a 160Mb file through JSON for an API and I wanted to test this AVX2 approach to encode the content of the file, paste the encoded string into the JSON and send it to the API.

You know about simdjson?

Nope, but I'll check it out!

@aqrit @lemire Thanks for your answers now everything make sense!

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