diff options
Diffstat (limited to 'resolv/res_libc.c')
| -rw-r--r-- | resolv/res_libc.c | 56 |
1 files changed, 22 insertions, 34 deletions
diff --git a/resolv/res_libc.c b/resolv/res_libc.c index fc5cc69..fde5f5c 100644 --- a/resolv/res_libc.c +++ b/resolv/res_libc.c @@ -15,34 +15,29 @@ * SOFTWARE. */ -/* Define some functions that go int libc.so. */ - -#if defined(LIBC_SCCS) && !defined(lint) -static const char rcsid[] = "$Id$"; -#endif /* LIBC_SCCS and not lint */ - #include <sys/types.h> -#include <sys/param.h> -#include <sys/socket.h> -#include <sys/time.h> - #include <netinet/in.h> -#include <arpa/inet.h> #include <arpa/nameser.h> - -#include <ctype.h> -#include <netdb.h> #include <resolv.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> +#undef _res + +/* The resolver state for use by single-threaded programs. */ +struct __res_state _res; -/* This is the old res_init function. It has been moved from - res_data.c to this file since res_init should go into libc.so but - the rest of res_data not. */ +/* This function is used to access the resolver state in + single-threaded programs. */ +struct __res_state * +weak_const_function +__res_state (void) +{ + return &_res; +} + +/* The following bit is copied from res_data.c (where it is #ifdef'ed + out) since res_init() should go into libc.so but the rest of that + file should not. */ int res_init(void) { @@ -83,18 +78,11 @@ res_init(void) { return (__res_vinit(&_res, 1)); } + -/* We need a resolver context - in unthreaded apps, this weak function - provides it. */ - -#undef _res - -struct __res_state _res = { _sock : -1 }; - +#include <shlib-compat.h> -struct __res_state * -weak_const_function -__res_state(void) -{ - return &_res; -} +#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_2) +# undef res_init +weak_alias (__res_init, res_init); +#endif |