handle non-matching address family entries in hosts file

[musl] / include / netdb.h

diff --git a/include/netdb.h b/include/netdb.h
index 3cda711..4794068 100644 (file)
--- a/include/netdb.h
+++ b/include/netdb.h
@@ -6,15 +6,12 @@ extern "C" {
 #endif
 
 #include <features.h>
+#include <netinet/in.h>
 
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 #define __NEED_size_t
-#endif
-
-#define __NEED_socklen_t
-#define __NEED_uint32_t
-
 #include <bits/alltypes.h>
+#endif
 
 struct addrinfo
 {
@@ -44,7 +41,7 @@ struct addrinfo
 #define NI_NOFQDN       0x04
 #define NI_NAMEREQD     0x08
 #define NI_DGRAM        0x10
-/*#define NI_NUMERICSCOPE */
+#define NI_NUMERICSCOPE 0x100
 
 #define EAI_BADFLAGS   -1
 #define EAI_NONAME     -2
@@ -125,18 +122,17 @@ struct protoent *getprotobynumber (int);
  || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE+0 < 700)
 struct hostent *gethostbyname (const char *);
 struct hostent *gethostbyaddr (const void *, socklen_t, int);
-#ifdef __GNUC__
-__attribute__((const))
-#endif
 int *__h_errno_location(void);
 #define h_errno (*__h_errno_location())
 #define HOST_NOT_FOUND 1
 #define TRY_AGAIN      2
 #define NO_RECOVERY    3
 #define NO_DATA        4
+#define NO_ADDRESS     NO_DATA
 #endif
 
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+void herror(const char *);
 const char *hstrerror(int);
 int gethostbyname_r(const char *, struct hostent *, char *, size_t, struct hostent **, int *);
 int gethostbyname2_r(const char *, int, struct hostent *, char *, size_t, struct hostent **, int *);