29 lines
969 B
C
29 lines
969 B
C
// intellectual property is bullshit bgdc
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#ifndef BASE64_H
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#define BASE64_H
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#include <stdbool.h>
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#include <stddef.h>
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#include <inttypes.h>
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// Encode a block to base64. The destination buffer must contain at least
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// (4/3) * rounded_up(len, 3) bytes (that is, enough bytes to encode src
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// including padding bytes).
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//
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// Returns the total number of bytes used.
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size_t base64_encode(uint8_t * dest, uint8_t const * src, size_t len);
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// Decode a block from base64. The destination buffer must contain at least
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// (3/4) * rounded_up(len, 4) bytes (that is, enough bytes to encode src
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// including possible padding bytes).
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//
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// This is a "dirty" decode -- embedded whitespace is not tolerated, and out-
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// of-range characters result in corrupted results (though they will not cause
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// any UB, out-of-bounds access, etc).
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//
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// Returns the total number of bytes used.
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size_t base64_decode(uint8_t * dest, uint8_t const * src, size_t len);
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#endif // !defined(BASE64_H)
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