34 lines
1.3 KiB
C
34 lines
1.3 KiB
C
/*
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base64.c - by Joe DF (joedf@ahkscript.org)
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Released under the MIT License
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Revision: 2015-06-12 01:26:51
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Thank you for inspiration:
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http://www.codeproject.com/Tips/813146/Fast-base-functions-for-encode-decode
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*/
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//Base64 char table function - used internally for decoding
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unsigned int b64_int(unsigned int ch);
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// in_size : the number bytes to be encoded.
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// Returns the recommended memory size to be allocated for the output buffer excluding the null byte
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unsigned int b64e_size(unsigned int in_size);
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// in_size : the number bytes to be decoded.
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// Returns the recommended memory size to be allocated for the output buffer
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unsigned int b64d_size(unsigned int in_size);
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// in : buffer of "raw" binary to be encoded.
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// in_len : number of bytes to be encoded.
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// out : pointer to buffer with enough memory, user is responsible for memory allocation, receives null-terminated string
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// returns size of output including null byte
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unsigned int b64_encode(char* in, unsigned int in_len, char* out);
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// in : buffer of base64 string to be decoded.
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// in_len : number of bytes to be decoded.
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// out : pointer to buffer with enough memory, user is responsible for memory allocation, receives "raw" binary
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// returns size of output excluding null byte
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int b64_decode(char* in, unsigned int in_len, char* out);
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