[Feature][T106]ZXW P56U09 code
Only Configure: Yes
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: No
Doc Update: No
Change-Id: I3cbd8b420271eb20c2b40ebe5c78f83059cd42f3
diff --git a/ap/libc/glibc/glibc-2.23/nss/nss_db/db-open.c b/ap/libc/glibc/glibc-2.23/nss/nss_db/db-open.c
new file mode 100644
index 0000000..d54d6fe
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/nss/nss_db/db-open.c
@@ -0,0 +1,71 @@
+/* Common database routines for nss_db.
+ Copyright (C) 2000-2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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 <errno.h>
+#include <fcntl.h>
+#include <dlfcn.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <not-cancel.h>
+
+#include "nss_db.h"
+
+/* Open the database stored in FILE. If succesful, store either a
+ pointer to the mapped file or a file handle for the file in H and
+ return NSS_STATUS_SUCCESS. On failure, return the appropriate
+ lookup status. */
+enum nss_status
+internal_setent (const char *file, struct nss_db_map *mapping)
+{
+ enum nss_status status = NSS_STATUS_UNAVAIL;
+
+ int mode = O_RDONLY | O_LARGEFILE;
+#ifdef O_CLOEXEC
+ mode |= O_CLOEXEC;
+#endif
+ int fd = open_not_cancel_2 (file, mode);
+ if (fd != -1)
+ {
+ struct nss_db_header header;
+
+ if (read (fd, &header, sizeof (header)) == sizeof (header))
+ {
+ mapping->header = mmap (NULL, header.allocate, PROT_READ,
+ MAP_PRIVATE, fd, 0);
+ mapping->len = header.allocate;
+ if (mapping->header != MAP_FAILED)
+ status = NSS_STATUS_SUCCESS;
+ else if (errno == ENOMEM)
+ status = NSS_STATUS_TRYAGAIN;
+ }
+
+ close_not_cancel_no_status (fd);
+ }
+
+ return status;
+}
+
+
+/* Close the database. */
+void
+internal_endent (struct nss_db_map *mapping)
+{
+ munmap (mapping->header, mapping->len);
+}