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42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
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#ifndef _HEX_ESCAPE_H
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#define _HEX_ESCAPE_H
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typedef enum hex_status {
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HEX_SUCCESS = 0,
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HEX_SYNTAX_ERROR,
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HEX_OUT_OF_MEMORY
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} hex_status_t;
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/*
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* The API for hex_encode() and hex_decode() is modelled on that for
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* getline.
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*
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* If 'out' points to a NULL pointer a char array of the appropriate
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* size is allocated using talloc, and out_size is updated.
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*
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* If 'out' points to a non-NULL pointer, it assumed to describe an
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* existing char array, with the size given in *out_size. This array
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* may be resized by talloc_realloc if needed; in this case *out_size
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* will also be updated.
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*
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* Note that it is an error to pass a NULL pointer for any parameter
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* of these routines.
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*/
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hex_status_t
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hex_encode (void *talloc_ctx, const char *in, char **out,
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size_t *out_size);
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hex_status_t
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hex_decode (void *talloc_ctx, const char *in, char **out,
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size_t *out_size);
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/*
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* Non-allocating hex decode to decode 's' in-place. The length of the
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* result is always equal to or shorter than the length of the
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* original.
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*/
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hex_status_t
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hex_decode_inplace (char *s);
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#endif
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