[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/nss/getXXbyYY_r.c b/ap/libc/glibc/glibc-2.22/nss/getXXbyYY_r.c
new file mode 100644
index 0000000..198f8cf
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/nss/getXXbyYY_r.c
@@ -0,0 +1,360 @@
+/* Copyright (C) 1996-2015 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <assert.h>
+#include <atomic.h>
+#include <errno.h>
+#include <stdbool.h>
+#include "nsswitch.h"
+#include "sysdep.h"
+#ifdef USE_NSCD
+# include <nscd/nscd_proto.h>
+#endif
+#ifdef NEED__RES_HCONF
+# include <resolv/res_hconf.h>
+#endif
+#ifdef NEED__RES
+# include <resolv.h>
+#endif
+/*******************************************************************\
+|* Here we assume several symbols to be defined: *|
+|* *|
+|* LOOKUP_TYPE - the return type of the function *|
+|* *|
+|* FUNCTION_NAME - name of the non-reentrant function *|
+|* *|
+|* DATABASE_NAME - name of the database the function accesses *|
+|* (e.g., host, services, ...) *|
+|* *|
+|* ADD_PARAMS - additional parameters, can vary in number *|
+|* *|
+|* ADD_VARIABLES - names of additional parameters *|
+|* *|
+|* Optionally the following vars can be defined: *|
+|* *|
+|* EXTRA_PARAMS - optional parameters, can vary in number *|
+|* *|
+|* EXTRA_VARIABLES - names of optional parameter *|
+|* *|
+|* FUNCTION2_NAME - alternative name of the non-reentrant function *|
+|* *|
+|* NEED_H_ERRNO - an extra parameter will be passed to point to *|
+|* the global `h_errno' variable. *|
+|* *|
+|* NEED__RES - the global _res variable might be used so we *|
+|* will have to initialize it if necessary *|
+|* *|
+|* PREPROCESS - code run before anything else *|
+|* *|
+|* POSTPROCESS - code run after the lookup *|
+|* *|
+\*******************************************************************/
+
+/* To make the real sources a bit prettier. */
+#define REENTRANT_NAME APPEND_R (FUNCTION_NAME)
+#ifdef FUNCTION2_NAME
+# define REENTRANT2_NAME APPEND_R (FUNCTION2_NAME)
+#else
+# define REENTRANT2_NAME NULL
+#endif
+#define APPEND_R(name) APPEND_R1 (name)
+#define APPEND_R1(name) name##_r
+#define INTERNAL(name) INTERNAL1 (name)
+#define INTERNAL1(name) __##name
+#define NEW(name) NEW1 (name)
+#define NEW1(name) __new_##name
+
+#ifdef USE_NSCD
+# define NSCD_NAME ADD_NSCD (REENTRANT_NAME)
+# define ADD_NSCD(name) ADD_NSCD1 (name)
+# define ADD_NSCD1(name) __nscd_##name
+# define NOT_USENSCD_NAME ADD_NOT_NSCDUSE (DATABASE_NAME)
+# define ADD_NOT_NSCDUSE(name) ADD_NOT_NSCDUSE1 (name)
+# define ADD_NOT_NSCDUSE1(name) __nss_not_use_nscd_##name
+# define CONCAT2(arg1, arg2) CONCAT2_2 (arg1, arg2)
+# define CONCAT2_2(arg1, arg2) arg1##arg2
+#endif
+
+#define FUNCTION_NAME_STRING STRINGIZE (FUNCTION_NAME)
+#define REENTRANT_NAME_STRING STRINGIZE (REENTRANT_NAME)
+#ifdef FUNCTION2_NAME
+# define REENTRANT2_NAME_STRING STRINGIZE (REENTRANT2_NAME)
+#else
+# define REENTRANT2_NAME_STRING NULL
+#endif
+#define DATABASE_NAME_STRING STRINGIZE (DATABASE_NAME)
+#define STRINGIZE(name) STRINGIZE1 (name)
+#define STRINGIZE1(name) #name
+
+#ifndef DB_LOOKUP_FCT
+# define DB_LOOKUP_FCT CONCAT3_1 (__nss_, DATABASE_NAME, _lookup2)
+# define CONCAT3_1(Pre, Name, Post) CONCAT3_2 (Pre, Name, Post)
+# define CONCAT3_2(Pre, Name, Post) Pre##Name##Post
+#endif
+
+/* Sometimes we need to store error codes in the `h_errno' variable. */
+#ifdef NEED_H_ERRNO
+# define H_ERRNO_PARM , int *h_errnop
+# define H_ERRNO_VAR , h_errnop
+# define H_ERRNO_VAR_P h_errnop
+#else
+# define H_ERRNO_PARM
+# define H_ERRNO_VAR
+# define H_ERRNO_VAR_P NULL
+#endif
+
+#ifndef EXTRA_PARAMS
+# define EXTRA_PARAMS
+#endif
+#ifndef EXTRA_VARIABLES
+# define EXTRA_VARIABLES
+#endif
+
+#ifdef HAVE_AF
+# define AF_VAL af
+#else
+# define AF_VAL AF_INET
+#endif
+
+/* Type of the lookup function we need here. */
+typedef enum nss_status (*lookup_function) (ADD_PARAMS, LOOKUP_TYPE *, char *,
+ size_t, int * H_ERRNO_PARM
+ EXTRA_PARAMS);
+
+/* The lookup function for the first entry of this service. */
+extern int DB_LOOKUP_FCT (service_user **nip, const char *name,
+ const char *name2, void **fctp)
+ internal_function;
+libc_hidden_proto (DB_LOOKUP_FCT)
+
+
+int
+INTERNAL (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer,
+ size_t buflen, LOOKUP_TYPE **result H_ERRNO_PARM
+ EXTRA_PARAMS)
+{
+ static bool startp_initialized;
+ static service_user *startp;
+ static lookup_function start_fct;
+ service_user *nip;
+ union
+ {
+ lookup_function l;
+ void *ptr;
+ } fct;
+
+ int no_more;
+ enum nss_status status = NSS_STATUS_UNAVAIL;
+#ifdef USE_NSCD
+ int nscd_status;
+#endif
+#ifdef NEED_H_ERRNO
+ bool any_service = false;
+#endif
+
+#ifdef PREPROCESS
+ PREPROCESS;
+#endif
+
+#ifdef HANDLE_DIGITS_DOTS
+ switch (__nss_hostname_digits_dots (name, resbuf, &buffer, NULL,
+ buflen, result, &status, AF_VAL,
+ H_ERRNO_VAR_P))
+ {
+ case -1:
+ return errno;
+ case 1:
+#ifdef NEED_H_ERRNO
+ any_service = true;
+#endif
+ goto done;
+ }
+#endif
+
+#ifdef USE_NSCD
+ if (NOT_USENSCD_NAME > 0 && ++NOT_USENSCD_NAME > NSS_NSCD_RETRY)
+ NOT_USENSCD_NAME = 0;
+
+ if (!NOT_USENSCD_NAME
+ && !__nss_database_custom[CONCAT2 (NSS_DBSIDX_, DATABASE_NAME)])
+ {
+ nscd_status = NSCD_NAME (ADD_VARIABLES, resbuf, buffer, buflen, result
+ H_ERRNO_VAR);
+ if (nscd_status >= 0)
+ return nscd_status;
+ }
+#endif
+
+ if (! startp_initialized)
+ {
+ no_more = DB_LOOKUP_FCT (&nip, REENTRANT_NAME_STRING,
+ REENTRANT2_NAME_STRING, &fct.ptr);
+ if (no_more)
+ {
+ void *tmp_ptr = (service_user *) -1l;
+#ifdef PTR_MANGLE
+ PTR_MANGLE (tmp_ptr);
+#endif
+ startp = tmp_ptr;
+ }
+ else
+ {
+#ifdef NEED__RES
+ /* The resolver code will really be used so we have to
+ initialize it. */
+ if (__res_maybe_init (&_res, 0) == -1)
+ {
+ *h_errnop = NETDB_INTERNAL;
+ *result = NULL;
+ return errno;
+ }
+#endif /* need _res */
+#ifdef NEED__RES_HCONF
+ if (!_res_hconf.initialized)
+ _res_hconf_init ();
+#endif /* need _res_hconf */
+
+ void *tmp_ptr = fct.l;
+#ifdef PTR_MANGLE
+ PTR_MANGLE (tmp_ptr);
+#endif
+ start_fct = tmp_ptr;
+ tmp_ptr = nip;
+#ifdef PTR_MANGLE
+ PTR_MANGLE (tmp_ptr);
+#endif
+ startp = tmp_ptr;
+ }
+
+ /* Make sure start_fct and startp are written before
+ startp_initialized. */
+ atomic_write_barrier ();
+ startp_initialized = true;
+ }
+ else
+ {
+ fct.l = start_fct;
+ nip = startp;
+#ifdef PTR_DEMANGLE
+ PTR_DEMANGLE (fct.l);
+ PTR_DEMANGLE (nip);
+#endif
+ no_more = nip == (service_user *) -1l;
+ }
+
+ while (no_more == 0)
+ {
+#ifdef NEED_H_ERRNO
+ any_service = true;
+#endif
+
+ status = DL_CALL_FCT (fct.l, (ADD_VARIABLES, resbuf, buffer, buflen,
+ &errno H_ERRNO_VAR EXTRA_VARIABLES));
+
+ /* The status is NSS_STATUS_TRYAGAIN and errno is ERANGE the
+ provided buffer is too small. In this case we should give
+ the user the possibility to enlarge the buffer and we should
+ not simply go on with the next service (even if the TRYAGAIN
+ action tells us so). */
+ if (status == NSS_STATUS_TRYAGAIN
+#ifdef NEED_H_ERRNO
+ && *h_errnop == NETDB_INTERNAL
+#endif
+ && errno == ERANGE)
+ break;
+
+ no_more = __nss_next2 (&nip, REENTRANT_NAME_STRING,
+ REENTRANT2_NAME_STRING, &fct.ptr, status, 0);
+ }
+
+#ifdef HANDLE_DIGITS_DOTS
+done:
+#endif
+ *result = status == NSS_STATUS_SUCCESS ? resbuf : NULL;
+#ifdef NEED_H_ERRNO
+ if (status == NSS_STATUS_UNAVAIL && !any_service && errno != ENOENT)
+ /* This happens when we weren't able to use a service for reasons other
+ than the module not being found. In such a case, we'd want to tell the
+ caller that errno has the real reason for failure. */
+ *h_errnop = NETDB_INTERNAL;
+ else if (status != NSS_STATUS_SUCCESS && !any_service)
+ /* We were not able to use any service. */
+ *h_errnop = NO_RECOVERY;
+#endif
+#ifdef POSTPROCESS
+ POSTPROCESS;
+#endif
+
+ int res;
+ if (status == NSS_STATUS_SUCCESS || status == NSS_STATUS_NOTFOUND)
+ res = 0;
+ /* Don't pass back ERANGE if this is not for a too-small buffer. */
+ else if (errno == ERANGE && status != NSS_STATUS_TRYAGAIN)
+ res = EINVAL;
+#ifdef NEED_H_ERRNO
+ /* These functions only set errno if h_errno is NETDB_INTERNAL. */
+ else if (status == NSS_STATUS_TRYAGAIN && *h_errnop != NETDB_INTERNAL)
+ res = EAGAIN;
+#endif
+ else
+ return errno;
+
+ __set_errno (res);
+ return res;
+}
+
+
+#ifdef NO_COMPAT_NEEDED
+strong_alias (INTERNAL (REENTRANT_NAME), REENTRANT_NAME);
+#elif !defined FUNCTION2_NAME
+# include <shlib-compat.h>
+# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1_2)
+# define OLD(name) OLD1 (name)
+# define OLD1(name) __old_##name
+
+int
+attribute_compat_text_section
+OLD (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer,
+ size_t buflen, LOOKUP_TYPE **result H_ERRNO_PARM)
+{
+ int ret = INTERNAL (REENTRANT_NAME) (ADD_VARIABLES, resbuf, buffer,
+ buflen, result H_ERRNO_VAR);
+
+ if (ret != 0 || result == NULL)
+ ret = -1;
+
+ return ret;
+}
+
+# define do_symbol_version(real, name, version) \
+ compat_symbol (libc, real, name, version)
+do_symbol_version (OLD (REENTRANT_NAME), REENTRANT_NAME, GLIBC_2_0);
+# endif
+
+/* As INTERNAL (REENTRANT_NAME) may be hidden, we need an alias
+ in between so that the REENTRANT_NAME@@GLIBC_2.1.2 is not
+ hidden too. */
+strong_alias (INTERNAL (REENTRANT_NAME), NEW (REENTRANT_NAME));
+
+# define do_default_symbol_version(real, name, version) \
+ versioned_symbol (libc, real, name, version)
+do_default_symbol_version (NEW (REENTRANT_NAME),
+ REENTRANT_NAME, GLIBC_2_1_2);
+#endif
+
+nss_interface_function (REENTRANT_NAME)