[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/iconv/iconv_open.c b/ap/libc/glibc/glibc-2.22/iconv/iconv_open.c
new file mode 100644
index 0000000..2b15be1
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/iconv/iconv_open.c
@@ -0,0 +1,88 @@
+/* Get descriptor for character set conversion.
+ Copyright (C) 1997-2015 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ 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 <alloca.h>
+#include <errno.h>
+#include <iconv.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <gconv_int.h>
+#include "gconv_charset.h"
+
+
+iconv_t
+iconv_open (const char *tocode, const char *fromcode)
+{
+ /* Normalize the name. We remove all characters beside alpha-numeric,
+ '_', '-', '/', '.', and ':'. */
+ size_t tocode_len = strlen (tocode) + 3;
+ char *tocode_conv;
+ bool tocode_usealloca = __libc_use_alloca (tocode_len);
+ if (tocode_usealloca)
+ tocode_conv = (char *) alloca (tocode_len);
+ else
+ {
+ tocode_conv = (char *) malloc (tocode_len);
+ if (tocode_conv == NULL)
+ return (iconv_t) -1;
+ }
+ strip (tocode_conv, tocode);
+ tocode = (tocode_conv[2] == '\0' && tocode[0] != '\0'
+ ? upstr (tocode_conv, tocode) : tocode_conv);
+
+ size_t fromcode_len = strlen (fromcode) + 3;
+ char *fromcode_conv;
+ bool fromcode_usealloca = __libc_use_alloca (fromcode_len);
+ if (fromcode_usealloca)
+ fromcode_conv = (char *) alloca (fromcode_len);
+ else
+ {
+ fromcode_conv = (char *) malloc (fromcode_len);
+ if (fromcode_conv == NULL)
+ {
+ if (! tocode_usealloca)
+ free (tocode_conv);
+ return (iconv_t) -1;
+ }
+ }
+ strip (fromcode_conv, fromcode);
+ fromcode = (fromcode_conv[2] == '\0' && fromcode[0] != '\0'
+ ? upstr (fromcode_conv, fromcode) : fromcode_conv);
+
+ __gconv_t cd;
+ int res = __gconv_open (tocode, fromcode, &cd, 0);
+
+ if (! fromcode_usealloca)
+ free (fromcode_conv);
+ if (! tocode_usealloca)
+ free (tocode_conv);
+
+ if (__builtin_expect (res, __GCONV_OK) != __GCONV_OK)
+ {
+ /* We must set the error number according to the specs. */
+ if (res == __GCONV_NOCONV || res == __GCONV_NODB)
+ __set_errno (EINVAL);
+
+ cd = (iconv_t) -1;
+ }
+
+ return (iconv_t) cd;
+}