forked from cory/tildefriends
Cory McWilliams
79022e1e1f
git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3621 ed5197a5-7fde-0310-b194-c3ffbd925b24
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
#ifndef base64cC_H
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#define base64cC_H
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#include <stddef.h>
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#include <stdint.h>
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/**
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* base64c_encoding_length - calculate length to allocate for encode
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* @len: Length of input string
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* Returns: number of bytes required to base64c encode, this includes room for '\0' terminator
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*/
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size_t base64c_encoding_length(size_t len);
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/**
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* base64c_decoding_length - calculate length to allocate for decode
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* @len: Length of (base64 encoded) input string
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* Returns: maximum number of bytes required to decode
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*/
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size_t base64c_decoding_length(size_t inlen);
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/**
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* base64c_encode - base64c encode
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* @src: Data to be encoded
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* @len: Length of the data to be encoded
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* @out: Mutable output buffer destination, all encoded bytes will be written to the destination
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* @out_len: length of output buffer
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* Returns: number of bytes written, or -1 if there was an error
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*/
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size_t base64c_encode(const unsigned char *src, size_t len, unsigned char* out, const size_t out_len);
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/**
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* base64c_decode - base64c decode
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* @src: Data to be decoded
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* @len: Length of the data to be decoded
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* @out_len: Pointer to output length variable
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* Returns: Allocated buffer of out_len bytes of decoded data,
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* or %NULL on failure
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*
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* Caller is responsible for freeing the returned buffer.
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*/
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size_t base64c_decode(const unsigned char *src, size_t len, unsigned char *out, const size_t out_len);
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#endif
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