[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/libio/vswprintf.c b/ap/libc/glibc/glibc-2.23/libio/vswprintf.c
new file mode 100644
index 0000000..b90441a
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/libio/vswprintf.c
@@ -0,0 +1,124 @@
+/* Copyright (C) 1994-2016 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/>.
+
+ As a special exception, if you link the code in this file with
+ files compiled with a GNU compiler to produce an executable,
+ that does not cause the resulting executable to be covered by
+ the GNU Lesser General Public License. This exception does not
+ however invalidate any other reasons why the executable file
+ might be covered by the GNU Lesser General Public License.
+ This exception applies to code released by its copyright holders
+ in files containing the exception. */
+
+#include "libioP.h"
+#include "strfile.h"
+
+
+static wint_t _IO_wstrn_overflow (_IO_FILE *fp, wint_t c) __THROW;
+
+static wint_t
+_IO_wstrn_overflow (_IO_FILE *fp, wint_t c)
+{
+ /* When we come to here this means the user supplied buffer is
+ filled. But since we must return the number of characters which
+ would have been written in total we must provide a buffer for
+ further use. We can do this by writing on and on in the overflow
+ buffer in the _IO_wstrnfile structure. */
+ _IO_wstrnfile *snf = (_IO_wstrnfile *) fp;
+
+ if (fp->_wide_data->_IO_buf_base != snf->overflow_buf)
+ {
+ _IO_wsetb (fp, snf->overflow_buf,
+ snf->overflow_buf + (sizeof (snf->overflow_buf)
+ / sizeof (wchar_t)), 0);
+
+ fp->_wide_data->_IO_write_base = snf->overflow_buf;
+ fp->_wide_data->_IO_read_base = snf->overflow_buf;
+ fp->_wide_data->_IO_read_ptr = snf->overflow_buf;
+ fp->_wide_data->_IO_read_end = (snf->overflow_buf
+ + (sizeof (snf->overflow_buf)
+ / sizeof (wchar_t)));
+ }
+
+ fp->_wide_data->_IO_write_ptr = snf->overflow_buf;
+ fp->_wide_data->_IO_write_end = snf->overflow_buf;
+
+ /* Since we are not really interested in storing the characters
+ which do not fit in the buffer we simply ignore it. */
+ return c;
+}
+
+
+const struct _IO_jump_t _IO_wstrn_jumps attribute_hidden =
+{
+ JUMP_INIT_DUMMY,
+ JUMP_INIT(finish, _IO_wstr_finish),
+ JUMP_INIT(overflow, (_IO_overflow_t) _IO_wstrn_overflow),
+ JUMP_INIT(underflow, (_IO_underflow_t) _IO_wstr_underflow),
+ JUMP_INIT(uflow, (_IO_underflow_t) _IO_wdefault_uflow),
+ JUMP_INIT(pbackfail, (_IO_pbackfail_t) _IO_wstr_pbackfail),
+ JUMP_INIT(xsputn, _IO_wdefault_xsputn),
+ JUMP_INIT(xsgetn, _IO_wdefault_xsgetn),
+ JUMP_INIT(seekoff, _IO_wstr_seekoff),
+ JUMP_INIT(seekpos, _IO_default_seekpos),
+ JUMP_INIT(setbuf, _IO_default_setbuf),
+ JUMP_INIT(sync, _IO_default_sync),
+ JUMP_INIT(doallocate, _IO_wdefault_doallocate),
+ JUMP_INIT(read, _IO_default_read),
+ JUMP_INIT(write, _IO_default_write),
+ JUMP_INIT(seek, _IO_default_seek),
+ JUMP_INIT(close, _IO_default_close),
+ JUMP_INIT(stat, _IO_default_stat),
+ JUMP_INIT(showmanyc, _IO_default_showmanyc),
+ JUMP_INIT(imbue, _IO_default_imbue)
+};
+
+
+int
+_IO_vswprintf (wchar_t *string, _IO_size_t maxlen, const wchar_t *format,
+ _IO_va_list args)
+{
+ _IO_wstrnfile sf;
+ int ret;
+ struct _IO_wide_data wd;
+#ifdef _IO_MTSAFE_IO
+ sf.f._sbf._f._lock = NULL;
+#endif
+
+ if (maxlen == 0)
+ /* Since we have to write at least the terminating L'\0' a buffer
+ length of zero always makes the function fail. */
+ return -1;
+
+ _IO_no_init (&sf.f._sbf._f, _IO_USER_LOCK, 0, &wd, &_IO_wstrn_jumps);
+ _IO_fwide (&sf.f._sbf._f, 1);
+ string[0] = L'\0';
+ _IO_wstr_init_static (&sf.f._sbf._f, string, maxlen - 1, string);
+ ret = _IO_vfwprintf ((_IO_FILE *) &sf.f._sbf, format, args);
+
+ if (sf.f._sbf._f._wide_data->_IO_buf_base == sf.overflow_buf)
+ /* ISO C99 requires swprintf/vswprintf to return an error if the
+ output does not fit in the provided buffer. */
+ return -1;
+
+ /* Terminate the string. */
+ *sf.f._sbf._f._wide_data->_IO_write_ptr = '\0';
+
+ return ret;
+}
+weak_alias (_IO_vswprintf, __vswprintf)
+ldbl_weak_alias (_IO_vswprintf, vswprintf)