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https://github.com/rkd77/elinks.git
synced 2024-12-04 14:46:47 -05:00
More const in URI functions.
Not yet all of them, though.
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@ -47,14 +47,14 @@ end_of_dir(unsigned char c)
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}
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}
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static inline int
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static inline int
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is_uri_dir_sep(struct uri *uri, unsigned char pos)
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is_uri_dir_sep(const struct uri *uri, unsigned char pos)
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{
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{
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return (uri->protocol == PROTOCOL_FILE ? dir_sep(pos) : pos == '/');
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return (uri->protocol == PROTOCOL_FILE ? dir_sep(pos) : pos == '/');
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}
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}
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int
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int
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is_ip_address(unsigned char *address, int addresslen)
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is_ip_address(const unsigned char *address, int addresslen)
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{
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{
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/* The @address has well defined limits so it would be a shame to
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/* The @address has well defined limits so it would be a shame to
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* allocate it. */
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* allocate it. */
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@ -90,7 +90,7 @@ is_ip_address(unsigned char *address, int addresslen)
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int
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int
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end_with_known_tld(unsigned char *s, int slen)
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end_with_known_tld(const unsigned char *s, int slen)
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{
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{
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int i;
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int i;
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static const unsigned char *const tld[] =
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static const unsigned char *const tld[] =
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@ -146,7 +146,7 @@ check_whether_file_exists(unsigned char *name)
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}
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}
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static int
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static int
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check_uri_file(unsigned char *name)
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check_uri_file(const unsigned char *name)
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{
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{
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/* Check POST_CHAR etc ... */
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/* Check POST_CHAR etc ... */
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static const unsigned char chars[] = POST_CHAR_S "#?";
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static const unsigned char chars[] = POST_CHAR_S "#?";
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@ -409,10 +409,10 @@ parse_uri(struct uri *uri, unsigned char *uristring)
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}
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}
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int
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int
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get_uri_port(struct uri *uri)
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get_uri_port(const struct uri *uri)
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{
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{
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if (uri->port && uri->portlen) {
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if (uri->port && uri->portlen) {
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unsigned char *end = uri->port;
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const unsigned char *end = uri->port;
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int port = strtol(uri->port, (char **) &end, 10);
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int port = strtol(uri->port, (char **) &end, 10);
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if (end != uri->port) {
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if (end != uri->port) {
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@ -427,7 +427,8 @@ get_uri_port(struct uri *uri)
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#define can_compare_uri_components(comp) !(((comp) & (URI_SPECIAL | URI_IDN)))
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#define can_compare_uri_components(comp) !(((comp) & (URI_SPECIAL | URI_IDN)))
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static inline int
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static inline int
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compare_component(unsigned char *a, int alen, unsigned char *b, int blen)
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compare_component(const unsigned char *a, int alen,
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const unsigned char *b, int blen)
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{
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{
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/* Check that the length and the strings are both set or unset */
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/* Check that the length and the strings are both set or unset */
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if (alen != blen || !!a != !!b) return 0;
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if (alen != blen || !!a != !!b) return 0;
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@ -442,7 +443,8 @@ compare_component(unsigned char *a, int alen, unsigned char *b, int blen)
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#define wants(x) (components & (x))
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#define wants(x) (components & (x))
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int
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int
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compare_uri(struct uri *a, struct uri *b, enum uri_component components)
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compare_uri(const struct uri *a, const struct uri *b,
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enum uri_component components)
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{
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{
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if (a == b) return 1;
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if (a == b) return 1;
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if (!components) return 0;
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if (!components) return 0;
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@ -471,7 +473,7 @@ compare_uri(struct uri *a, struct uri *b, enum uri_component components)
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/* We might need something more intelligent than this Swiss army knife. */
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/* We might need something more intelligent than this Swiss army knife. */
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struct string *
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struct string *
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add_uri_to_string(struct string *string, struct uri *uri,
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add_uri_to_string(struct string *string, const struct uri *uri,
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enum uri_component components)
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enum uri_component components)
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{
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{
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/* Custom or unknown keep the URI untouched. */
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/* Custom or unknown keep the URI untouched. */
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@ -578,8 +580,8 @@ add_uri_to_string(struct string *string, struct uri *uri,
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/* We can not test uri->datalen here since we need to always
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/* We can not test uri->datalen here since we need to always
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* add '/'. */
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* add '/'. */
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if (wants(URI_PATH) || wants(URI_FILENAME)) {
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if (wants(URI_PATH) || wants(URI_FILENAME)) {
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unsigned char *filename = uri->data;
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const unsigned char *filename = uri->data;
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unsigned char *pos;
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const unsigned char *pos;
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assertm(!wants(URI_FILENAME) || components == URI_FILENAME,
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assertm(!wants(URI_FILENAME) || components == URI_FILENAME,
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"URI_FILENAME should be used alone %d", components);
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"URI_FILENAME should be used alone %d", components);
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@ -602,7 +604,7 @@ add_uri_to_string(struct string *string, struct uri *uri,
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}
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}
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if (wants(URI_QUERY) && uri->datalen) {
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if (wants(URI_QUERY) && uri->datalen) {
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unsigned char *query = memchr(uri->data, '?', uri->datalen);
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const unsigned char *query = memchr(uri->data, '?', uri->datalen);
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assertm(URI_QUERY == components,
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assertm(URI_QUERY == components,
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"URI_QUERY should be used alone %d", components);
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"URI_QUERY should be used alone %d", components);
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@ -642,7 +644,7 @@ add_uri_to_string(struct string *string, struct uri *uri,
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#undef wants
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#undef wants
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unsigned char *
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unsigned char *
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get_uri_string(struct uri *uri, enum uri_component components)
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get_uri_string(const struct uri *uri, enum uri_component components)
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{
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{
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struct string string;
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struct string string;
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@ -785,7 +787,7 @@ normalize_uri(struct uri *uri, unsigned char *uristring)
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* backend can understand. No host parts etc, that is what this function is
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* backend can understand. No host parts etc, that is what this function is
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* supposed to chew. */
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* supposed to chew. */
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static struct uri *
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static struct uri *
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transform_file_url(struct uri *uri, unsigned char *cwd)
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transform_file_url(struct uri *uri, const unsigned char *cwd)
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{
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{
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unsigned char *path = uri->data;
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unsigned char *path = uri->data;
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@ -247,25 +247,28 @@ unsigned char *normalize_uri(struct uri *uri, unsigned char *uristring);
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/* Check if two URIs are equal. If @components are 0 simply compare the whole
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/* Check if two URIs are equal. If @components are 0 simply compare the whole
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* URI else only compare the specific parts. */
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* URI else only compare the specific parts. */
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int compare_uri(struct uri *uri1, struct uri *uri2, enum uri_component components);
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int compare_uri(const struct uri *uri1, const struct uri *uri2,
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enum uri_component components);
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/* These functions recreate the URI string part by part. */
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/* These functions recreate the URI string part by part. */
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/* The @components bitmask describes the set of URI components used for
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/* The @components bitmask describes the set of URI components used for
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* construction of the URI string. */
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* construction of the URI string. */
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/* Adds the components to an already initialized string. */
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/* Adds the components to an already initialized string. */
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struct string *add_uri_to_string(struct string *string, struct uri *uri, enum uri_component components);
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struct string *add_uri_to_string(struct string *string, const struct uri *uri,
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enum uri_component components);
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/* Takes an uri string, parses it and adds the desired components. Useful if
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/* Takes an uri string, parses it and adds the desired components. Useful if
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* there is no struct uri around. */
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* there is no struct uri around. */
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struct string *add_string_uri_to_string(struct string *string, unsigned char *uristring, enum uri_component components);
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struct string *add_string_uri_to_string(struct string *string, unsigned char *uristring, enum uri_component components);
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/* Returns the new URI string or NULL upon an error. */
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/* Returns the new URI string or NULL upon an error. */
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unsigned char *get_uri_string(struct uri *uri, enum uri_component components);
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unsigned char *get_uri_string(const struct uri *uri,
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enum uri_component components);
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/* Returns either the uri's port number if available or the protocol's
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/* Returns either the uri's port number if available or the protocol's
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* default port. It is zarro for user protocols. */
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* default port. It is zarro for user protocols. */
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int get_uri_port(struct uri *uri);
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int get_uri_port(const struct uri *uri);
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/* Tcp port range */
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/* Tcp port range */
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#define LOWEST_PORT 0
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#define LOWEST_PORT 0
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@ -304,7 +307,7 @@ unsigned char *join_urls(struct uri *base, unsigned char *relative);
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/* Return position if end of string @s matches a known tld or -1 if not.
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/* Return position if end of string @s matches a known tld or -1 if not.
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* If @slen < 0, then string length will be obtained by a strlen() call,
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* If @slen < 0, then string length will be obtained by a strlen() call,
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* else @slen is used as @s length. */
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* else @slen is used as @s length. */
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int end_with_known_tld(unsigned char *s, int slen);
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int end_with_known_tld(const unsigned char *s, int slen);
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static inline int
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static inline int
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@ -314,6 +317,6 @@ get_real_uri_length(struct uri *uri)
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}
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}
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/* Checks if @address contains a valid IP address. */
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/* Checks if @address contains a valid IP address. */
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int is_ip_address(unsigned char *address, int addresslen);
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int is_ip_address(const unsigned char *address, int addresslen);
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#endif
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#endif
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