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- /* ed25519_cert.h -- generated by by Trunnel v1.4.4.
- * https://gitweb.torproject.org/trunnel.git
- * You probably shouldn't edit this file.
- */
- #ifndef TRUNNEL_ED25519_CERT_H
- #define TRUNNEL_ED25519_CERT_H
- #include <stdint.h>
- #include "trunnel.h"
- #define CERTEXT_SIGNED_WITH_KEY 4
- #define CERTEXT_FLAG_AFFECTS_VALIDATION 1
- #define LS_IPV4 0
- #define LS_IPV6 1
- #define LS_LEGACY_ID 2
- #define LS_ED25519_ID 3
- #if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_ED25519_CERT_EXTENSION)
- struct ed25519_cert_extension_st {
- uint16_t ext_length;
- uint8_t ext_type;
- uint8_t ext_flags;
- uint8_t un_signing_key[32];
- TRUNNEL_DYNARRAY_HEAD(, uint8_t) un_unparsed;
- uint8_t trunnel_error_code_;
- };
- #endif
- typedef struct ed25519_cert_extension_st ed25519_cert_extension_t;
- #if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_LINK_SPECIFIER)
- struct link_specifier_st {
- uint8_t ls_type;
- uint8_t ls_len;
- uint32_t un_ipv4_addr;
- uint16_t un_ipv4_port;
- uint8_t un_ipv6_addr[16];
- uint16_t un_ipv6_port;
- uint8_t un_legacy_id[20];
- uint8_t un_ed25519_id[32];
- TRUNNEL_DYNARRAY_HEAD(, uint8_t) un_unrecognized;
- uint8_t trunnel_error_code_;
- };
- #endif
- typedef struct link_specifier_st link_specifier_t;
- #if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_ED25519_CERT)
- struct ed25519_cert_st {
- uint8_t version;
- uint8_t cert_type;
- uint32_t exp_field;
- uint8_t cert_key_type;
- uint8_t certified_key[32];
- uint8_t n_extensions;
- TRUNNEL_DYNARRAY_HEAD(, struct ed25519_cert_extension_st *) ext;
- uint8_t signature[64];
- uint8_t trunnel_error_code_;
- };
- #endif
- typedef struct ed25519_cert_st ed25519_cert_t;
- #if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_LINK_SPECIFIER_LIST)
- struct link_specifier_list_st {
- uint8_t n_spec;
- TRUNNEL_DYNARRAY_HEAD(, struct link_specifier_st *) spec;
- uint8_t trunnel_error_code_;
- };
- #endif
- typedef struct link_specifier_list_st link_specifier_list_t;
- /** Return a newly allocated ed25519_cert_extension with all elements
- * set to zero.
- */
- ed25519_cert_extension_t *ed25519_cert_extension_new(void);
- /** Release all storage held by the ed25519_cert_extension in
- * 'victim'. (Do nothing if 'victim' is NULL.)
- */
- void ed25519_cert_extension_free(ed25519_cert_extension_t *victim);
- /** Try to parse a ed25519_cert_extension from the buffer in 'input',
- * using up to 'len_in' bytes from the input buffer. On success,
- * return the number of bytes consumed and set *output to the newly
- * allocated ed25519_cert_extension_t. On failure, return -2 if the
- * input appears truncated, and -1 if the input is otherwise invalid.
- */
- ssize_t ed25519_cert_extension_parse(ed25519_cert_extension_t **output, const uint8_t *input, const size_t len_in);
- /** Return the number of bytes we expect to need to encode the
- * ed25519_cert_extension in 'obj'. On failure, return a negative
- * value. Note that this value may be an overestimate, and can even be
- * an underestimate for certain unencodeable objects.
- */
- ssize_t ed25519_cert_extension_encoded_len(const ed25519_cert_extension_t *obj);
- /** Try to encode the ed25519_cert_extension from 'input' into the
- * buffer at 'output', using up to 'avail' bytes of the output buffer.
- * On success, return the number of bytes used. On failure, return -2
- * if the buffer was not long enough, and -1 if the input was invalid.
- */
- ssize_t ed25519_cert_extension_encode(uint8_t *output, size_t avail, const ed25519_cert_extension_t *input);
- /** Check whether the internal state of the ed25519_cert_extension in
- * 'obj' is consistent. Return NULL if it is, and a short message if
- * it is not.
- */
- const char *ed25519_cert_extension_check(const ed25519_cert_extension_t *obj);
- /** Clear any errors that were set on the object 'obj' by its setter
- * functions. Return true iff errors were cleared.
- */
- int ed25519_cert_extension_clear_errors(ed25519_cert_extension_t *obj);
- /** Return the value of the ext_length field of the
- * ed25519_cert_extension_t in 'inp'
- */
- uint16_t ed25519_cert_extension_get_ext_length(ed25519_cert_extension_t *inp);
- /** Set the value of the ext_length field of the
- * ed25519_cert_extension_t in 'inp' to 'val'. Return 0 on success;
- * return -1 and set the error code on 'inp' on failure.
- */
- int ed25519_cert_extension_set_ext_length(ed25519_cert_extension_t *inp, uint16_t val);
- /** Return the value of the ext_type field of the
- * ed25519_cert_extension_t in 'inp'
- */
- uint8_t ed25519_cert_extension_get_ext_type(ed25519_cert_extension_t *inp);
- /** Set the value of the ext_type field of the
- * ed25519_cert_extension_t in 'inp' to 'val'. Return 0 on success;
- * return -1 and set the error code on 'inp' on failure.
- */
- int ed25519_cert_extension_set_ext_type(ed25519_cert_extension_t *inp, uint8_t val);
- /** Return the value of the ext_flags field of the
- * ed25519_cert_extension_t in 'inp'
- */
- uint8_t ed25519_cert_extension_get_ext_flags(ed25519_cert_extension_t *inp);
- /** Set the value of the ext_flags field of the
- * ed25519_cert_extension_t in 'inp' to 'val'. Return 0 on success;
- * return -1 and set the error code on 'inp' on failure.
- */
- int ed25519_cert_extension_set_ext_flags(ed25519_cert_extension_t *inp, uint8_t val);
- /** Return the (constant) length of the array holding the
- * un_signing_key field of the ed25519_cert_extension_t in 'inp'.
- */
- size_t ed25519_cert_extension_getlen_un_signing_key(const ed25519_cert_extension_t *inp);
- /** Return the element at position 'idx' of the fixed array field
- * un_signing_key of the ed25519_cert_extension_t in 'inp'.
- */
- uint8_t ed25519_cert_extension_get_un_signing_key(const ed25519_cert_extension_t *inp, size_t idx);
- /** Change the element at position 'idx' of the fixed array field
- * un_signing_key of the ed25519_cert_extension_t in 'inp', so that it
- * will hold the value 'elt'.
- */
- int ed25519_cert_extension_set_un_signing_key(ed25519_cert_extension_t *inp, size_t idx, uint8_t elt);
- /** Return a pointer to the 32-element array field un_signing_key of
- * 'inp'.
- */
- uint8_t * ed25519_cert_extension_getarray_un_signing_key(ed25519_cert_extension_t *inp);
- /** Return the length of the dynamic array holding the un_unparsed
- * field of the ed25519_cert_extension_t in 'inp'.
- */
- size_t ed25519_cert_extension_getlen_un_unparsed(const ed25519_cert_extension_t *inp);
- /** Return the element at position 'idx' of the dynamic array field
- * un_unparsed of the ed25519_cert_extension_t in 'inp'.
- */
- uint8_t ed25519_cert_extension_get_un_unparsed(ed25519_cert_extension_t *inp, size_t idx);
- /** Change the element at position 'idx' of the dynamic array field
- * un_unparsed of the ed25519_cert_extension_t in 'inp', so that it
- * will hold the value 'elt'.
- */
- int ed25519_cert_extension_set_un_unparsed(ed25519_cert_extension_t *inp, size_t idx, uint8_t elt);
- /** Append a new element 'elt' to the dynamic array field un_unparsed
- * of the ed25519_cert_extension_t in 'inp'.
- */
- int ed25519_cert_extension_add_un_unparsed(ed25519_cert_extension_t *inp, uint8_t elt);
- /** Return a pointer to the variable-length array field un_unparsed of
- * 'inp'.
- */
- uint8_t * ed25519_cert_extension_getarray_un_unparsed(ed25519_cert_extension_t *inp);
- /** Change the length of the variable-length array field un_unparsed
- * of 'inp' to 'newlen'.Fill extra elements with 0. Return 0 on
- * success; return -1 and set the error code on 'inp' on failure.
- */
- int ed25519_cert_extension_setlen_un_unparsed(ed25519_cert_extension_t *inp, size_t newlen);
- /** Return a newly allocated link_specifier with all elements set to
- * zero.
- */
- link_specifier_t *link_specifier_new(void);
- /** Release all storage held by the link_specifier in 'victim'. (Do
- * nothing if 'victim' is NULL.)
- */
- void link_specifier_free(link_specifier_t *victim);
- /** Try to parse a link_specifier from the buffer in 'input', using up
- * to 'len_in' bytes from the input buffer. On success, return the
- * number of bytes consumed and set *output to the newly allocated
- * link_specifier_t. On failure, return -2 if the input appears
- * truncated, and -1 if the input is otherwise invalid.
- */
- ssize_t link_specifier_parse(link_specifier_t **output, const uint8_t *input, const size_t len_in);
- /** Return the number of bytes we expect to need to encode the
- * link_specifier in 'obj'. On failure, return a negative value. Note
- * that this value may be an overestimate, and can even be an
- * underestimate for certain unencodeable objects.
- */
- ssize_t link_specifier_encoded_len(const link_specifier_t *obj);
- /** Try to encode the link_specifier from 'input' into the buffer at
- * 'output', using up to 'avail' bytes of the output buffer. On
- * success, return the number of bytes used. On failure, return -2 if
- * the buffer was not long enough, and -1 if the input was invalid.
- */
- ssize_t link_specifier_encode(uint8_t *output, size_t avail, const link_specifier_t *input);
- /** Check whether the internal state of the link_specifier in 'obj' is
- * consistent. Return NULL if it is, and a short message if it is not.
- */
- const char *link_specifier_check(const link_specifier_t *obj);
- /** Clear any errors that were set on the object 'obj' by its setter
- * functions. Return true iff errors were cleared.
- */
- int link_specifier_clear_errors(link_specifier_t *obj);
- /** Return the value of the ls_type field of the link_specifier_t in
- * 'inp'
- */
- uint8_t link_specifier_get_ls_type(link_specifier_t *inp);
- /** Set the value of the ls_type field of the link_specifier_t in
- * 'inp' to 'val'. Return 0 on success; return -1 and set the error
- * code on 'inp' on failure.
- */
- int link_specifier_set_ls_type(link_specifier_t *inp, uint8_t val);
- /** Return the value of the ls_len field of the link_specifier_t in
- * 'inp'
- */
- uint8_t link_specifier_get_ls_len(link_specifier_t *inp);
- /** Set the value of the ls_len field of the link_specifier_t in 'inp'
- * to 'val'. Return 0 on success; return -1 and set the error code on
- * 'inp' on failure.
- */
- int link_specifier_set_ls_len(link_specifier_t *inp, uint8_t val);
- /** Return the value of the un_ipv4_addr field of the link_specifier_t
- * in 'inp'
- */
- uint32_t link_specifier_get_un_ipv4_addr(link_specifier_t *inp);
- /** Set the value of the un_ipv4_addr field of the link_specifier_t in
- * 'inp' to 'val'. Return 0 on success; return -1 and set the error
- * code on 'inp' on failure.
- */
- int link_specifier_set_un_ipv4_addr(link_specifier_t *inp, uint32_t val);
- /** Return the value of the un_ipv4_port field of the link_specifier_t
- * in 'inp'
- */
- uint16_t link_specifier_get_un_ipv4_port(link_specifier_t *inp);
- /** Set the value of the un_ipv4_port field of the link_specifier_t in
- * 'inp' to 'val'. Return 0 on success; return -1 and set the error
- * code on 'inp' on failure.
- */
- int link_specifier_set_un_ipv4_port(link_specifier_t *inp, uint16_t val);
- /** Return the (constant) length of the array holding the un_ipv6_addr
- * field of the link_specifier_t in 'inp'.
- */
- size_t link_specifier_getlen_un_ipv6_addr(const link_specifier_t *inp);
- /** Return the element at position 'idx' of the fixed array field
- * un_ipv6_addr of the link_specifier_t in 'inp'.
- */
- uint8_t link_specifier_get_un_ipv6_addr(const link_specifier_t *inp, size_t idx);
- /** Change the element at position 'idx' of the fixed array field
- * un_ipv6_addr of the link_specifier_t in 'inp', so that it will hold
- * the value 'elt'.
- */
- int link_specifier_set_un_ipv6_addr(link_specifier_t *inp, size_t idx, uint8_t elt);
- /** Return a pointer to the 16-element array field un_ipv6_addr of
- * 'inp'.
- */
- uint8_t * link_specifier_getarray_un_ipv6_addr(link_specifier_t *inp);
- /** Return the value of the un_ipv6_port field of the link_specifier_t
- * in 'inp'
- */
- uint16_t link_specifier_get_un_ipv6_port(link_specifier_t *inp);
- /** Set the value of the un_ipv6_port field of the link_specifier_t in
- * 'inp' to 'val'. Return 0 on success; return -1 and set the error
- * code on 'inp' on failure.
- */
- int link_specifier_set_un_ipv6_port(link_specifier_t *inp, uint16_t val);
- /** Return the (constant) length of the array holding the un_legacy_id
- * field of the link_specifier_t in 'inp'.
- */
- size_t link_specifier_getlen_un_legacy_id(const link_specifier_t *inp);
- /** Return the element at position 'idx' of the fixed array field
- * un_legacy_id of the link_specifier_t in 'inp'.
- */
- uint8_t link_specifier_get_un_legacy_id(const link_specifier_t *inp, size_t idx);
- /** Change the element at position 'idx' of the fixed array field
- * un_legacy_id of the link_specifier_t in 'inp', so that it will hold
- * the value 'elt'.
- */
- int link_specifier_set_un_legacy_id(link_specifier_t *inp, size_t idx, uint8_t elt);
- /** Return a pointer to the 20-element array field un_legacy_id of
- * 'inp'.
- */
- uint8_t * link_specifier_getarray_un_legacy_id(link_specifier_t *inp);
- /** Return the (constant) length of the array holding the
- * un_ed25519_id field of the link_specifier_t in 'inp'.
- */
- size_t link_specifier_getlen_un_ed25519_id(const link_specifier_t *inp);
- /** Return the element at position 'idx' of the fixed array field
- * un_ed25519_id of the link_specifier_t in 'inp'.
- */
- uint8_t link_specifier_get_un_ed25519_id(const link_specifier_t *inp, size_t idx);
- /** Change the element at position 'idx' of the fixed array field
- * un_ed25519_id of the link_specifier_t in 'inp', so that it will
- * hold the value 'elt'.
- */
- int link_specifier_set_un_ed25519_id(link_specifier_t *inp, size_t idx, uint8_t elt);
- /** Return a pointer to the 32-element array field un_ed25519_id of
- * 'inp'.
- */
- uint8_t * link_specifier_getarray_un_ed25519_id(link_specifier_t *inp);
- /** Return the length of the dynamic array holding the un_unrecognized
- * field of the link_specifier_t in 'inp'.
- */
- size_t link_specifier_getlen_un_unrecognized(const link_specifier_t *inp);
- /** Return the element at position 'idx' of the dynamic array field
- * un_unrecognized of the link_specifier_t in 'inp'.
- */
- uint8_t link_specifier_get_un_unrecognized(link_specifier_t *inp, size_t idx);
- /** Change the element at position 'idx' of the dynamic array field
- * un_unrecognized of the link_specifier_t in 'inp', so that it will
- * hold the value 'elt'.
- */
- int link_specifier_set_un_unrecognized(link_specifier_t *inp, size_t idx, uint8_t elt);
- /** Append a new element 'elt' to the dynamic array field
- * un_unrecognized of the link_specifier_t in 'inp'.
- */
- int link_specifier_add_un_unrecognized(link_specifier_t *inp, uint8_t elt);
- /** Return a pointer to the variable-length array field
- * un_unrecognized of 'inp'.
- */
- uint8_t * link_specifier_getarray_un_unrecognized(link_specifier_t *inp);
- /** Change the length of the variable-length array field
- * un_unrecognized of 'inp' to 'newlen'.Fill extra elements with 0.
- * Return 0 on success; return -1 and set the error code on 'inp' on
- * failure.
- */
- int link_specifier_setlen_un_unrecognized(link_specifier_t *inp, size_t newlen);
- /** Return a newly allocated ed25519_cert with all elements set to
- * zero.
- */
- ed25519_cert_t *ed25519_cert_new(void);
- /** Release all storage held by the ed25519_cert in 'victim'. (Do
- * nothing if 'victim' is NULL.)
- */
- void ed25519_cert_free(ed25519_cert_t *victim);
- /** Try to parse a ed25519_cert from the buffer in 'input', using up
- * to 'len_in' bytes from the input buffer. On success, return the
- * number of bytes consumed and set *output to the newly allocated
- * ed25519_cert_t. On failure, return -2 if the input appears
- * truncated, and -1 if the input is otherwise invalid.
- */
- ssize_t ed25519_cert_parse(ed25519_cert_t **output, const uint8_t *input, const size_t len_in);
- /** Return the number of bytes we expect to need to encode the
- * ed25519_cert in 'obj'. On failure, return a negative value. Note
- * that this value may be an overestimate, and can even be an
- * underestimate for certain unencodeable objects.
- */
- ssize_t ed25519_cert_encoded_len(const ed25519_cert_t *obj);
- /** Try to encode the ed25519_cert from 'input' into the buffer at
- * 'output', using up to 'avail' bytes of the output buffer. On
- * success, return the number of bytes used. On failure, return -2 if
- * the buffer was not long enough, and -1 if the input was invalid.
- */
- ssize_t ed25519_cert_encode(uint8_t *output, size_t avail, const ed25519_cert_t *input);
- /** Check whether the internal state of the ed25519_cert in 'obj' is
- * consistent. Return NULL if it is, and a short message if it is not.
- */
- const char *ed25519_cert_check(const ed25519_cert_t *obj);
- /** Clear any errors that were set on the object 'obj' by its setter
- * functions. Return true iff errors were cleared.
- */
- int ed25519_cert_clear_errors(ed25519_cert_t *obj);
- /** Return the value of the version field of the ed25519_cert_t in
- * 'inp'
- */
- uint8_t ed25519_cert_get_version(ed25519_cert_t *inp);
- /** Set the value of the version field of the ed25519_cert_t in 'inp'
- * to 'val'. Return 0 on success; return -1 and set the error code on
- * 'inp' on failure.
- */
- int ed25519_cert_set_version(ed25519_cert_t *inp, uint8_t val);
- /** Return the value of the cert_type field of the ed25519_cert_t in
- * 'inp'
- */
- uint8_t ed25519_cert_get_cert_type(ed25519_cert_t *inp);
- /** Set the value of the cert_type field of the ed25519_cert_t in
- * 'inp' to 'val'. Return 0 on success; return -1 and set the error
- * code on 'inp' on failure.
- */
- int ed25519_cert_set_cert_type(ed25519_cert_t *inp, uint8_t val);
- /** Return the value of the exp_field field of the ed25519_cert_t in
- * 'inp'
- */
- uint32_t ed25519_cert_get_exp_field(ed25519_cert_t *inp);
- /** Set the value of the exp_field field of the ed25519_cert_t in
- * 'inp' to 'val'. Return 0 on success; return -1 and set the error
- * code on 'inp' on failure.
- */
- int ed25519_cert_set_exp_field(ed25519_cert_t *inp, uint32_t val);
- /** Return the value of the cert_key_type field of the ed25519_cert_t
- * in 'inp'
- */
- uint8_t ed25519_cert_get_cert_key_type(ed25519_cert_t *inp);
- /** Set the value of the cert_key_type field of the ed25519_cert_t in
- * 'inp' to 'val'. Return 0 on success; return -1 and set the error
- * code on 'inp' on failure.
- */
- int ed25519_cert_set_cert_key_type(ed25519_cert_t *inp, uint8_t val);
- /** Return the (constant) length of the array holding the
- * certified_key field of the ed25519_cert_t in 'inp'.
- */
- size_t ed25519_cert_getlen_certified_key(const ed25519_cert_t *inp);
- /** Return the element at position 'idx' of the fixed array field
- * certified_key of the ed25519_cert_t in 'inp'.
- */
- uint8_t ed25519_cert_get_certified_key(const ed25519_cert_t *inp, size_t idx);
- /** Change the element at position 'idx' of the fixed array field
- * certified_key of the ed25519_cert_t in 'inp', so that it will hold
- * the value 'elt'.
- */
- int ed25519_cert_set_certified_key(ed25519_cert_t *inp, size_t idx, uint8_t elt);
- /** Return a pointer to the 32-element array field certified_key of
- * 'inp'.
- */
- uint8_t * ed25519_cert_getarray_certified_key(ed25519_cert_t *inp);
- /** Return the value of the n_extensions field of the ed25519_cert_t
- * in 'inp'
- */
- uint8_t ed25519_cert_get_n_extensions(ed25519_cert_t *inp);
- /** Set the value of the n_extensions field of the ed25519_cert_t in
- * 'inp' to 'val'. Return 0 on success; return -1 and set the error
- * code on 'inp' on failure.
- */
- int ed25519_cert_set_n_extensions(ed25519_cert_t *inp, uint8_t val);
- /** Return the length of the dynamic array holding the ext field of
- * the ed25519_cert_t in 'inp'.
- */
- size_t ed25519_cert_getlen_ext(const ed25519_cert_t *inp);
- /** Return the element at position 'idx' of the dynamic array field
- * ext of the ed25519_cert_t in 'inp'.
- */
- struct ed25519_cert_extension_st * ed25519_cert_get_ext(ed25519_cert_t *inp, size_t idx);
- /** Change the element at position 'idx' of the dynamic array field
- * ext of the ed25519_cert_t in 'inp', so that it will hold the value
- * 'elt'. Free the previous value, if any.
- */
- int ed25519_cert_set_ext(ed25519_cert_t *inp, size_t idx, struct ed25519_cert_extension_st * elt);
- /** As ed25519_cert_set_ext, but does not free the previous value.
- */
- int ed25519_cert_set0_ext(ed25519_cert_t *inp, size_t idx, struct ed25519_cert_extension_st * elt);
- /** Append a new element 'elt' to the dynamic array field ext of the
- * ed25519_cert_t in 'inp'.
- */
- int ed25519_cert_add_ext(ed25519_cert_t *inp, struct ed25519_cert_extension_st * elt);
- /** Return a pointer to the variable-length array field ext of 'inp'.
- */
- struct ed25519_cert_extension_st * * ed25519_cert_getarray_ext(ed25519_cert_t *inp);
- /** Change the length of the variable-length array field ext of 'inp'
- * to 'newlen'.Fill extra elements with NULL; free removed elements.
- * Return 0 on success; return -1 and set the error code on 'inp' on
- * failure.
- */
- int ed25519_cert_setlen_ext(ed25519_cert_t *inp, size_t newlen);
- /** Return the (constant) length of the array holding the signature
- * field of the ed25519_cert_t in 'inp'.
- */
- size_t ed25519_cert_getlen_signature(const ed25519_cert_t *inp);
- /** Return the element at position 'idx' of the fixed array field
- * signature of the ed25519_cert_t in 'inp'.
- */
- uint8_t ed25519_cert_get_signature(const ed25519_cert_t *inp, size_t idx);
- /** Change the element at position 'idx' of the fixed array field
- * signature of the ed25519_cert_t in 'inp', so that it will hold the
- * value 'elt'.
- */
- int ed25519_cert_set_signature(ed25519_cert_t *inp, size_t idx, uint8_t elt);
- /** Return a pointer to the 64-element array field signature of 'inp'.
- */
- uint8_t * ed25519_cert_getarray_signature(ed25519_cert_t *inp);
- /** Return a newly allocated link_specifier_list with all elements set
- * to zero.
- */
- link_specifier_list_t *link_specifier_list_new(void);
- /** Release all storage held by the link_specifier_list in 'victim'.
- * (Do nothing if 'victim' is NULL.)
- */
- void link_specifier_list_free(link_specifier_list_t *victim);
- /** Try to parse a link_specifier_list from the buffer in 'input',
- * using up to 'len_in' bytes from the input buffer. On success,
- * return the number of bytes consumed and set *output to the newly
- * allocated link_specifier_list_t. On failure, return -2 if the input
- * appears truncated, and -1 if the input is otherwise invalid.
- */
- ssize_t link_specifier_list_parse(link_specifier_list_t **output, const uint8_t *input, const size_t len_in);
- /** Return the number of bytes we expect to need to encode the
- * link_specifier_list in 'obj'. On failure, return a negative value.
- * Note that this value may be an overestimate, and can even be an
- * underestimate for certain unencodeable objects.
- */
- ssize_t link_specifier_list_encoded_len(const link_specifier_list_t *obj);
- /** Try to encode the link_specifier_list from 'input' into the buffer
- * at 'output', using up to 'avail' bytes of the output buffer. On
- * success, return the number of bytes used. On failure, return -2 if
- * the buffer was not long enough, and -1 if the input was invalid.
- */
- ssize_t link_specifier_list_encode(uint8_t *output, size_t avail, const link_specifier_list_t *input);
- /** Check whether the internal state of the link_specifier_list in
- * 'obj' is consistent. Return NULL if it is, and a short message if
- * it is not.
- */
- const char *link_specifier_list_check(const link_specifier_list_t *obj);
- /** Clear any errors that were set on the object 'obj' by its setter
- * functions. Return true iff errors were cleared.
- */
- int link_specifier_list_clear_errors(link_specifier_list_t *obj);
- /** Return the value of the n_spec field of the link_specifier_list_t
- * in 'inp'
- */
- uint8_t link_specifier_list_get_n_spec(link_specifier_list_t *inp);
- /** Set the value of the n_spec field of the link_specifier_list_t in
- * 'inp' to 'val'. Return 0 on success; return -1 and set the error
- * code on 'inp' on failure.
- */
- int link_specifier_list_set_n_spec(link_specifier_list_t *inp, uint8_t val);
- /** Return the length of the dynamic array holding the spec field of
- * the link_specifier_list_t in 'inp'.
- */
- size_t link_specifier_list_getlen_spec(const link_specifier_list_t *inp);
- /** Return the element at position 'idx' of the dynamic array field
- * spec of the link_specifier_list_t in 'inp'.
- */
- struct link_specifier_st * link_specifier_list_get_spec(link_specifier_list_t *inp, size_t idx);
- /** Change the element at position 'idx' of the dynamic array field
- * spec of the link_specifier_list_t in 'inp', so that it will hold
- * the value 'elt'. Free the previous value, if any.
- */
- int link_specifier_list_set_spec(link_specifier_list_t *inp, size_t idx, struct link_specifier_st * elt);
- /** As link_specifier_list_set_spec, but does not free the previous
- * value.
- */
- int link_specifier_list_set0_spec(link_specifier_list_t *inp, size_t idx, struct link_specifier_st * elt);
- /** Append a new element 'elt' to the dynamic array field spec of the
- * link_specifier_list_t in 'inp'.
- */
- int link_specifier_list_add_spec(link_specifier_list_t *inp, struct link_specifier_st * elt);
- /** Return a pointer to the variable-length array field spec of 'inp'.
- */
- struct link_specifier_st * * link_specifier_list_getarray_spec(link_specifier_list_t *inp);
- /** Change the length of the variable-length array field spec of 'inp'
- * to 'newlen'.Fill extra elements with NULL; free removed elements.
- * Return 0 on success; return -1 and set the error code on 'inp' on
- * failure.
- */
- int link_specifier_list_setlen_spec(link_specifier_list_t *inp, size_t newlen);
- #endif
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