diff options
Diffstat (limited to 'resolv/netdb.h')
| -rw-r--r-- | resolv/netdb.h | 232 |
1 files changed, 119 insertions, 113 deletions
diff --git a/resolv/netdb.h b/resolv/netdb.h index 38622e87fe..f906edac0b 100644 --- a/resolv/netdb.h +++ b/resolv/netdb.h @@ -28,6 +28,8 @@ /* This is necessary to make this include file properly replace the Sun version. */ #include <rpc/netdb.h> +#define __need_size_t +#include <stddef.h> /* Absolute file name for network data base files. */ #define _PATH_HEQUIV "/etc/hosts.equiv" @@ -43,23 +45,30 @@ __BEGIN_DECLS /* Error status for non-reentrant lookup functions. */ extern int h_errno; -#if defined __USE_REENTRANT && (!defined _LIBC || defined _LIBC_REENTRANT) -/* Function to access thread specific `h_errno' variable. */ +/* Function to get address of global `h_errno' variable. */ extern int *__h_errno_location __P ((void)) __attribute__ ((__const__)); -/* An alias name for above variable. */ -extern int __h_errno; - -/* Use a macro to access always the thread specific `h_errno' variable. */ -#define h_errno (*__h_errno_location ()) - +#ifdef _LIBC /* Retain some binary compatibility with old libraries by having both the global variable and the per-thread variable set on error. */ -#define __set_h_errno(x) (h_errno = __h_errno = (x)) -#else -#define __set_h_errno(x) (h_errno = (x)) +# ifdef _LIBC_REENTRANT +static inline int +__set_h_errno (int __err) +{ + return *__h_errno_location () = h_errno = __err; +} +# else +# define __set_h_errno(x) (h_errno = (x)) +# endif /* _LIBC_REENTRANT */ +#endif /* _LIBC */ + + +#if defined __USE_REENTRANT && (!defined _LIBC || defined _LIBC_REENTRANT) +/* Use a macro to access always the thread specific `h_errno' variable. */ +# define h_errno (*__h_errno_location ()) #endif + /* Possible values left in `h_errno'. */ #define NETDB_INTERNAL -1 /* See errno. */ #define NETDB_SUCCESS 0 /* No problem. */ @@ -122,41 +131,39 @@ extern struct hostent *gethostbyname2 __P ((__const char *__name, int __af)); argument is a pointer to a variable which gets the value which would be stored in the global variable `herrno' by the non-reentrant functions. */ -extern struct hostent *__gethostent_r __P ((struct hostent *__result_buf, - char *__buf, int __buf_len, - int *__h_errnop)); -extern struct hostent *gethostent_r __P ((struct hostent *__result_buf, - char *__buf, int __buf_len, - int *__h_errnop)); - -extern struct hostent *__gethostbyaddr_r __P ((__const char *__addr, int __len, - int __type, - struct hostent *__result_buf, - char *__buf, int __buflen, - int *__h_errnop)); -extern struct hostent *gethostbyaddr_r __P ((__const char *__addr, int __len, - int __type, - struct hostent *__result_buf, - char *__buf, int __buflen, - int *__h_errnop)); - -extern struct hostent *__gethostbyname_r __P ((__const char *__name, - struct hostent *__result_buf, - char *__buf, int __buflen, - int *__h_errnop)); -extern struct hostent *gethostbyname_r __P ((__const char *__name, - struct hostent *__result_buf, - char *__buf, int __buflen, - int *__h_errnop)); - -extern struct hostent *__gethostbyname2_r __P ((__const char *__name, int __af, - struct hostent *__result_buf, - char *__buf, int __buflen, - int *__h_errnop)); -extern struct hostent *gethostbyname2_r __P ((__const char *__name, int __af, - struct hostent *__result_buf, - char *__buf, int __buflen, - int *__h_errnop)); +extern int __gethostent_r __P ((struct hostent *__result_buf, char *__buf, + size_t __buflen, struct hostent **__result, + int *__h_errnop)); +extern int gethostent_r __P ((struct hostent *__result_buf, char *__buf, + size_t __buflen, struct hostent **__result, + int *__h_errnop)); + +extern int __gethostbyaddr_r __P ((__const char *__addr, int __len, int __type, + struct hostent *__result_buf, char *__buf, + size_t __buflen, struct hostent **__result, + int *__h_errnop)); +extern int gethostbyaddr_r __P ((__const char *__addr, int __len, int __type, + struct hostent *__result_buf, char *__buf, + size_t __buflen, struct hostent **__result, + int *__h_errnop)); + +extern int __gethostbyname_r __P ((__const char *__name, + struct hostent *__result_buf, char *__buf, + size_t __buflen, struct hostent **__result, + int *__h_errnop)); +extern int gethostbyname_r __P ((__const char *__name, + struct hostent *__result_buf, char *__buf, + size_t __buflen, struct hostent **__result, + int *__h_errnop)); + +extern int __gethostbyname2_r __P ((__const char *__name, int __af, + struct hostent *__result_buf, char *__buf, + size_t __buflen, struct hostent **__result, + int *__h_errnop)); +extern int gethostbyname2_r __P ((__const char *__name, int __af, + struct hostent *__result_buf, char *__buf, + size_t __buflen, struct hostent **__result, + int *__h_errnop)); #endif /* reentrant */ @@ -196,32 +203,30 @@ extern struct netent *getnetbyname __P ((__const char *__name)); argument is a pointer to a variable which gets the value which would be stored in the global variable `herrno' by the non-reentrant functions. */ -extern struct netent *__getnetent_r __P ((struct netent *__result_buf, - char *__buf, int __buf_len, - int *__h_errnop)); -extern struct netent *getnetent_r __P ((struct netent *__result_buf, - char *__buf, int __buf_len, - int *__h_errnop)); - -extern struct netent *__getnetbyaddr_r __P ((unsigned long int __net, - int __type, - struct netent *__result_buf, - char *__buf, int __buflen, - int *__h_errnop)); -extern struct netent *getnetbyaddr_r __P ((unsigned long int __net, - int __type, - struct netent *__result_buf, - char *__buf, int __buflen, - int *__h_errnop)); - -extern struct netent *__getnetbyname_r __P ((__const char *__name, - struct netent *__result_buf, - char *__buf, int __buflen, - int *__h_errnop)); -extern struct netent *getnetbyname_r __P ((__const char *__name, - struct netent *__result_buf, - char *__buf, int __buflen, - int *__h_errnop)); +extern int __getnetent_r __P ((struct netent *__result_buf, char *__buf, + size_t __buflen, struct netent **__result, + int *__h_errnop)); +extern int getnetent_r __P ((struct netent *__result_buf, char *__buf, + size_t __buflen, struct netent **__result, + int *__h_errnop)); + +extern int __getnetbyaddr_r __P ((unsigned long int __net, int __type, + struct netent *__result_buf, char *__buf, + size_t __buflen, struct netent **__result, + int *__h_errnop)); +extern int getnetbyaddr_r __P ((unsigned long int __net, int __type, + struct netent *__result_buf, char *__buf, + size_t __buflen, struct netent **__result, + int *__h_errnop)); + +extern int __getnetbyname_r __P ((__const char *__name, + struct netent *__result_buf, char *__buf, + size_t __buflen, struct netent **__result, + int *__h_errnop)); +extern int getnetbyname_r __P ((__const char *__name, + struct netent *__result_buf, char *__buf, + size_t __buflen, struct netent **__result, + int *__h_errnop)); #endif /* reentrant */ @@ -258,27 +263,26 @@ extern struct servent *getservbyport __P ((int __port, __const char *__proto)); #ifdef __USE_REENTRANT /* Reentrant versions of the functions above. The additional arguments specify a buffer of BUFLEN starting at BUF. */ -extern struct servent *__getservent_r __P ((struct servent *__result_buf, - char *__buf, int __buf_len)); -extern struct servent *getservent_r __P ((struct servent *__result_buf, - char *__buf, int __buf_len)); - -extern struct servent *__getservbyname_r __P ((__const char *__name, - __const char *__proto, - struct servent *__result_buf, - char *__buf, int __buflen)); -extern struct servent *getservbyname_r __P ((__const char *__name, - __const char *__proto, - struct servent *__result_buf, - char *__buf, int __buflen)); - -extern struct servent *__getservbyport_r __P ((int __port, - __const char *__proto, - struct servent *__result_buf, - char *__buf, int __buflen)); -extern struct servent *getservbyport_r __P ((int __port, __const char *__proto, - struct servent *__result_buf, - char *__buf, int __buflen)); +extern int __getservent_r __P ((struct servent *__result_buf, char *__buf, + size_t __buflen, struct servent **__result)); +extern int getservent_r __P ((struct servent *__result_buf, char *__buf, + size_t __buflen, struct servent **__result)); + +extern int __getservbyname_r __P ((__const char *__name, __const char *__proto, + struct servent *__result_buf, char *__buf, + size_t __buflen, + struct servent **__result)); +extern int getservbyname_r __P ((__const char *__name, __const char *__proto, + struct servent *__result_buf, char *__buf, + size_t __buflen, struct servent **__result)); + +extern int __getservbyport_r __P ((int __port, __const char *__proto, + struct servent *__result_buf, char *__buf, + size_t __buflen, + struct servent **__result)); +extern int getservbyport_r __P ((int __port, __const char *__proto, + struct servent *__result_buf, char *__buf, + size_t __buflen, struct servent **__result)); #endif /* reentrant */ @@ -311,24 +315,26 @@ extern struct protoent *getprotobynumber __P ((int __proto)); #ifdef __USE_REENTRANT /* Reentrant versions of the functions above. The additional arguments specify a buffer of BUFLEN starting at BUF. */ -extern struct protoent *__getprotoent_r __P ((struct protoent *__result_buf, - char *__buf, int __buf_len)); -extern struct protoent *getprotoent_r __P ((struct protoent *__result_buf, - char *__buf, int __buf_len)); - -extern struct protoent *__getprotobyname_r __P ((__const char *__name, - struct protoent *__result_buf, - char *__buf, int __buflen)); -extern struct protoent *getprotobyname_r __P ((__const char *__name, - struct protoent *__result_buf, - char *__buf, int __buflen)); - -extern struct protoent *__getprotobynumber_r __P ((int __proto, - struct protoent *__res_buf, - char *__buf, int __buflen)); -extern struct protoent *getprotobynumber_r __P ((int __proto, - struct protoent *__result_buf, - char *__buf, int __buflen)); +extern int __getprotoent_r __P ((struct protoent *__result_buf, char *__buf, + size_t __buflen, struct protoent **__result)); +extern int getprotoent_r __P ((struct protoent *__result_buf, char *__buf, + size_t __buflen, struct protoent **__result)); + +extern int __getprotobyname_r __P ((__const char *__name, + struct protoent *__result_buf, char *__buf, + size_t __buflen, + struct protoent **__result)); +extern int getprotobyname_r __P ((__const char *__name, + struct protoent *__result_buf, char *__buf, + size_t __buflen, + struct protoent **__result)); + +extern int __getprotobynumber_r __P ((int __proto, struct protoent *__res_buf, + char *__buf, size_t __buflen, + struct protoent **__result)); +extern int getprotobynumber_r __P ((int __proto, struct protoent *__result_buf, + char *__buf, size_t __buflen, + struct protoent **__result)); #endif /* reentrant */ @@ -351,10 +357,10 @@ extern int innetgr __P ((__const char *__netgroup, __const char *__host, /* Reentrant version of `getnetgrent' where result is placed in BUFFER. */ extern int __getnetgrent_r __P ((char **__hostp, char **__userp, char **__domainp, - char *__buffer, int __buflen)); + char *__buffer, size_t __buflen)); extern int getnetgrent_r __P ((char **__hostp, char **__userp, char **__domainp, - char *__buffer, int __buflen)); + char *__buffer, size_t __buflen)); #endif |