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iAdd __nscd_getai prototype.
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40a8d825af
commit
62417d7ee8
@ -82,6 +82,7 @@ CFLAGS-xmalloc.c = -fpie
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CFLAGS-xstrdup.c = -fpie
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CFLAGS-mem.c = -fpie
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CFLAGS-nscd_setup_thread.c = -fpie
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CFLAGS-aicache.c = -fpie
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$(objpfx)nscd: $(addprefix $(objpfx),$(nscd-modules:=.o))
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$(LINK.o) -pie -Wl,-O1 \
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@ -294,8 +294,4 @@ extern const struct datahead *__nscd_cache_search (request_type type,
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size_t keylen,
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const struct mapped_database *mapped);
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/* Look up in addrinfo cache. */
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extern int __nscd_getai (const char *key, struct nscd_ai_result **result,
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int *h_errnop);
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#endif /* nscd.h */
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@ -27,6 +27,7 @@
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#include <not-cancel.h>
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#include "nscd-client.h"
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#include "nscd_proto.h"
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/* Define in nscd_gethst_r.c. */
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@ -72,7 +72,7 @@ void
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__nscd_unmap (struct mapped_database *mapped)
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{
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assert (mapped->counter == 0);
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munmap ((void *) mapped->head, mapped->mapsize);
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__munmap ((void *) mapped->head, mapped->mapsize);
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free (mapped);
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}
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@ -180,7 +180,7 @@ get_mapping (request_type type, const char *key,
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if (newp == NULL)
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{
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/* Ugh, after all we went through the memory allocation failed. */
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munmap (result, size);
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__munmap (result, size);
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goto out_close;
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}
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@ -24,6 +24,9 @@
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#include <netdb.h>
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#include <pwd.h>
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/* Interval in which we transfer retry to contact the NSCD. */
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#define NSS_NSCD_RETRY 100
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/* Variables for communication between NSCD handler functions and NSS. */
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extern int __nss_not_use_nscd_passwd attribute_hidden;
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extern int __nss_not_use_nscd_group attribute_hidden;
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@ -53,5 +56,7 @@ extern int __nscd_gethostbyaddr_r (const void *addr, socklen_t len, int type,
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struct hostent *resultbuf,
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char *buffer, size_t buflen,
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struct hostent **result, int *h_errnop);
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extern int __nscd_getai (const char *key, struct nscd_ai_result **result,
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int *h_errnop);
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#endif /* _NSCD_PROTO_H */
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@ -114,9 +114,6 @@ extern int DB_LOOKUP_FCT (service_user **nip, const char *name, void **fctp)
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internal_function;
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libc_hidden_proto (DB_LOOKUP_FCT)
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/* Interval in which we transfer retry to contact the NSCD. */
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#define NSS_NSCD_RETRY 100
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int
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INTERNAL (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer,
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@ -55,6 +55,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <nsswitch.h>
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#include <not-cancel.h>
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#include <nscd/nscd-client.h>
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#include <nscd/nscd_proto.h>
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#ifdef HAVE_LIBIDN
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extern int __idna_to_ascii_lz (const char *input, char **output, int flags);
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@ -672,69 +673,76 @@ gaih_inet (const char *name, const struct gaih_service *service,
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}
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#ifdef USE_NSCD
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/* Try to use nscd. */
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struct nscd_ai_result *air = NULL;
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int herrno;
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int err = __nscd_getai (name, &air, &herrno);
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if (air != NULL)
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{
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/* Transform into gaih_addrtuple list. */
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bool added_canon = (req->ai_flags & AI_CANONNAME) == 0;
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char *addrs = air->addrs;
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if (__nss_not_use_nscd_hosts > 0
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&& ++__nss_not_use_nscd_hosts > NSS_NSCD_RETRY)
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__nss_not_use_nscd_hosts = 0;
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for (int i = 0; i < air->naddrs; ++i)
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if (!__nss_not_use_nscd_hosts)
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{
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/* Try to use nscd. */
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struct nscd_ai_result *air = NULL;
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int herrno;
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int err = __nscd_getai (name, &air, &herrno);
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if (air != NULL)
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{
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socklen_t size = (air->family[i] == AF_INET
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? INADDRSZ : IN6ADDRSZ);
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if (*pat == NULL)
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{
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*pat = __alloca (sizeof (struct gaih_addrtuple));
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(*pat)->scopeid = 0;
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}
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uint32_t *pataddr = (*pat)->addr;
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(*pat)->next = NULL;
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if (added_canon || air->canon == NULL)
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(*pat)->name = NULL;
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else
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canon = (*pat)->name = strdupa (air->canon);
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/* Transform into gaih_addrtuple list. */
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bool added_canon = (req->ai_flags & AI_CANONNAME) == 0;
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char *addrs = air->addrs;
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if (air->family[i] == AF_INET
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&& req->ai_family == AF_INET6
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&& (req->ai_flags & AI_V4MAPPED))
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for (int i = 0; i < air->naddrs; ++i)
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{
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(*pat)->family = AF_INET6;
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pataddr[3] = *(uint32_t *) addrs;
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pataddr[2] = htonl (0xffff);
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pataddr[1] = 0;
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pataddr[0] = 0;
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pat = &((*pat)->next);
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added_canon = true;
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socklen_t size = (air->family[i] == AF_INET
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? INADDRSZ : IN6ADDRSZ);
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if (*pat == NULL)
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{
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*pat = __alloca (sizeof (struct gaih_addrtuple));
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(*pat)->scopeid = 0;
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}
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uint32_t *pataddr = (*pat)->addr;
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(*pat)->next = NULL;
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if (added_canon || air->canon == NULL)
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(*pat)->name = NULL;
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else
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canon = (*pat)->name = strdupa (air->canon);
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if (air->family[i] == AF_INET
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&& req->ai_family == AF_INET6
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&& (req->ai_flags & AI_V4MAPPED))
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{
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(*pat)->family = AF_INET6;
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pataddr[3] = *(uint32_t *) addrs;
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pataddr[2] = htonl (0xffff);
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pataddr[1] = 0;
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pataddr[0] = 0;
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pat = &((*pat)->next);
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added_canon = true;
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}
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else if (req->ai_family == AF_UNSPEC
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|| air->family[i] == req->ai_family)
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{
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(*pat)->family = air->family[i];
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memcpy (pataddr, addrs, size);
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pat = &((*pat)->next);
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added_canon = true;
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if (air->family[i] == AF_INET6)
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got_ipv6 = true;
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}
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addrs += size;
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}
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else if (req->ai_family == AF_UNSPEC
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|| air->family[i] == req->ai_family)
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{
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(*pat)->family = air->family[i];
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memcpy (pataddr, addrs, size);
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pat = &((*pat)->next);
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added_canon = true;
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if (air->family[i] == AF_INET6)
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got_ipv6 = true;
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}
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addrs += size;
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if (at->family == AF_UNSPEC)
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return (GAIH_OKIFUNSPEC | -EAI_NONAME);
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goto process_list;
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}
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else if (err != 0 && __nss_not_use_nscd_hosts == 0)
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{
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if (herrno == NETDB_INTERNAL && errno == ENOMEM)
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return -EAI_MEMORY;
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if (herrno == TRY_AGAIN)
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return -EAI_AGAIN;
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return -EAI_SYSTEM;
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}
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if (at->family == AF_UNSPEC)
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return (GAIH_OKIFUNSPEC | -EAI_NONAME);
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goto process_list;
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}
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else if (err != 0)
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{
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if (herrno == NETDB_INTERNAL && errno == ENOMEM)
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return -EAI_MEMORY;
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if (herrno == TRY_AGAIN)
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return -EAI_AGAIN;
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return -EAI_SYSTEM;
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}
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#endif
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