* implement HOWL TXT functions

[catta] / avahi-common / domain.h

diff --git a/avahi-common/domain.h b/avahi-common/domain.h
index 34f068173404c6f56be27693de2f580bd13c6496..26f4b73832a1602569d49cae1a4624506034d100 100644 (file)
--- a/avahi-common/domain.h
+++ b/avahi-common/domain.h
@@ -33,13 +33,34 @@
 AVAHI_C_DECL_BEGIN
 #endif
 
+/** The maximum length of a a fully escaped domain name C string. This
+ * is calculated like this: RFC1034 mandates maximum length of FQDNs
+ * is 255. The maximum label length is 63. To minimize the number of
+ * (non-escaped) dots, we comprise our maximum-length domain name of
+ * four labels á 63 characters plus three inner dots. Escaping the
+ * four labels quadruples their length at maximum. An escaped domain
+ * name has the therefore the maximum length of 63*4*4+3=1011. A
+ * trailing NUL and perhaps two unnecessary dots leading and trailing
+ * the string brings us to 1014. */
+#define AVAHI_DOMAIN_NAME_MAX 1014
+
+/** Maxium size of an unescaped label */
+#define AVAHI_LABEL_MAX 64
+
+/** Normalize a domain name into canonical form. This drops trailing
+ * dots and removes useless backslash escapes. */
+char *avahi_normalize_name(const char *s, char *ret_s, size_t size);
+
 /** Normalize a domain name into canonical form. This drops trailing
  * dots and removes useless backslash escapes. avahi_free() the
  * result! */
-char *avahi_normalize_name(const char *s);
+char *avahi_normalize_name_strdup(const char *s);
+
+/** Return the local host name. */
+char *avahi_get_host_name(char *ret_s, size_t size); 
 
 /** Return the local host name. avahi_free() the result! */
-char *avahi_get_host_name(void); 
+char *avahi_get_host_name_strdup(void);
 
 /** Return 1 when the specified domain names are equal, 0 otherwise */
 int avahi_domain_equal(const char *a, const char *b);
@@ -52,10 +73,23 @@ int avahi_binary_domain_cmp(const char *a, const char *b);
 char *avahi_unescape_label(const char **name, char *dest, size_t size);
 
 /** Escape the domain name in *src and write it to *ret_name */
-char *avahi_escape_label(const uint8_t* src, size_t src_length, char **ret_name, size_t *ret_size);
+char *avahi_escape_label(const char* src, size_t src_length, char **ret_name, size_t *ret_size);
+
+/** Return 1 when the specified string contains a valid generic
+ * service type (i.e. a series of words starting with "_"), 0
+ * otherwise */
+int avahi_is_valid_service_type_generic(const char *t);
 
-/** Return 1 when the specified string contains a valid service type, 0 otherwise */
-int avahi_is_valid_service_type(const char *t);
+/** Return 1 when the specified string contains a valid strict service
+ * type (i.e. consisting of only two words, the latter being either
+ * _udp or _tcp), 0 otherwise */
+int avahi_is_valid_service_type_strict(const char *t);
+
+/** Return 1 when the specified string contains a valid service subtype, 0 otherwise */
+int avahi_is_valid_service_subtype(const char *t);
+
+/** Return a pointer to the type section of a subtype i.e. _foo._sub._bar._tcp => _bar._tcp */
+const char *avahi_get_type_from_subtype(const char *t);
 
 /** Return 1 when the specified string contains a valid domain name, 0 otherwise */
 int avahi_is_valid_domain_name(const char *t);
@@ -73,7 +107,13 @@ unsigned avahi_domain_hash(const char *name);
 int avahi_domain_ends_with(const char *domain, const char *suffix);
 
 /** Construct a valid complete service name from a name, a type and a domain */
-int avahi_service_name_snprint(char *p, size_t size, const char *name, const char *type, const char *domain);
+int avahi_service_name_join(char *p, size_t size, const char *name, const char *type, const char *domain);
+
+/** Split a full service name into name, type and domain */
+int avahi_service_name_split(const char *p, char *name, size_t name_size, char *type, size_t type_size, char *domain, size_t domain_size);
+
+/** Just like OpenBSD strlcpy */
+char *avahi_strlcpy(char *dest, const char *src, size_t n);
 
 #ifndef DOXYGEN_SHOULD_SKIP_THIS
 AVAHI_C_DECL_END