diff options
Diffstat (limited to 'contrib/bind9/lib/bind/irs/gai_strerror.c')
-rw-r--r-- | contrib/bind9/lib/bind/irs/gai_strerror.c | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/contrib/bind9/lib/bind/irs/gai_strerror.c b/contrib/bind9/lib/bind/irs/gai_strerror.c deleted file mode 100644 index 9ca1c4b..0000000 --- a/contrib/bind9/lib/bind/irs/gai_strerror.c +++ /dev/null @@ -1,105 +0,0 @@ -/* - * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") - * Copyright (c) 2001 by Internet Software Consortium. - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT - * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <port_before.h> -#include <netdb.h> -#include <port_after.h> - -#ifdef DO_PTHREADS -#include <pthread.h> -#include <stdlib.h> -#endif - -static const char *gai_errlist[] = { - "no error", - "address family not supported for name",/*%< EAI_ADDRFAMILY */ - "temporary failure", /*%< EAI_AGAIN */ - "invalid flags", /*%< EAI_BADFLAGS */ - "permanent failure", /*%< EAI_FAIL */ - "address family not supported", /*%< EAI_FAMILY */ - "memory failure", /*%< EAI_MEMORY */ - "no address", /*%< EAI_NODATA */ - "unknown name or service", /*%< EAI_NONAME */ - "service not supported for socktype", /*%< EAI_SERVICE */ - "socktype not supported", /*%< EAI_SOCKTYPE */ - "system failure", /*%< EAI_SYSTEM */ - "bad hints", /*%< EAI_BADHINTS */ - "bad protocol", /*%< EAI_PROTOCOL */ - "unknown error" /*%< Must be last. */ -}; - -static const int gai_nerr = (sizeof(gai_errlist)/sizeof(*gai_errlist)); - -#define EAI_BUFSIZE 128 - -const char * -gai_strerror(int ecode) { -#ifndef DO_PTHREADS - static char buf[EAI_BUFSIZE]; -#else /* DO_PTHREADS */ -#ifndef LIBBIND_MUTEX_INITIALIZER -#define LIBBIND_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER -#endif - static pthread_mutex_t lock = LIBBIND_MUTEX_INITIALIZER; - static pthread_key_t key; - static int once = 0; - char *buf; -#endif - - if (ecode >= 0 && ecode < (gai_nerr - 1)) - return (gai_errlist[ecode]); - -#ifdef DO_PTHREADS - if (!once) { - if (pthread_mutex_lock(&lock) != 0) - goto unknown; - if (!once) { - if (pthread_key_create(&key, free) != 0) { - (void)pthread_mutex_unlock(&lock); - goto unknown; - } - once = 1; - } - if (pthread_mutex_unlock(&lock) != 0) - goto unknown; - } - - buf = pthread_getspecific(key); - if (buf == NULL) { - buf = malloc(EAI_BUFSIZE); - if (buf == NULL) - goto unknown; - if (pthread_setspecific(key, buf) != 0) { - free(buf); - goto unknown; - } - } -#endif - /* - * XXX This really should be snprintf(buf, EAI_BUFSIZE, ...). - * It is safe until message catalogs are used. - */ - sprintf(buf, "%s: %d", gai_errlist[gai_nerr - 1], ecode); - return (buf); - -#ifdef DO_PTHREADS - unknown: - return ("unknown error"); -#endif -} - -/*! \file */ |