[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/libio/memstream.c b/ap/libc/glibc/glibc-2.22/libio/memstream.c
new file mode 100644
index 0000000..84742d1
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/libio/memstream.c
@@ -0,0 +1,146 @@
+/* Copyright (C) 1995-2015 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 "libioP.h"
+#include "strfile.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+
+struct _IO_FILE_memstream
+{
+ _IO_strfile _sf;
+ char **bufloc;
+ _IO_size_t *sizeloc;
+};
+
+
+static int _IO_mem_sync (_IO_FILE* fp) __THROW;
+static void _IO_mem_finish (_IO_FILE* fp, int) __THROW;
+
+
+static const struct _IO_jump_t _IO_mem_jumps =
+{
+ JUMP_INIT_DUMMY,
+ JUMP_INIT (finish, _IO_mem_finish),
+ JUMP_INIT (overflow, _IO_str_overflow),
+ JUMP_INIT (underflow, _IO_str_underflow),
+ JUMP_INIT (uflow, _IO_default_uflow),
+ JUMP_INIT (pbackfail, _IO_str_pbackfail),
+ JUMP_INIT (xsputn, _IO_default_xsputn),
+ JUMP_INIT (xsgetn, _IO_default_xsgetn),
+ JUMP_INIT (seekoff, _IO_str_seekoff),
+ JUMP_INIT (seekpos, _IO_default_seekpos),
+ JUMP_INIT (setbuf, _IO_default_setbuf),
+ JUMP_INIT (sync, _IO_mem_sync),
+ JUMP_INIT (doallocate, _IO_default_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)
+};
+
+/* Open a stream that writes into a malloc'd buffer that is expanded as
+ necessary. *BUFLOC and *SIZELOC are updated with the buffer's location
+ and the number of characters written on fflush or fclose. */
+_IO_FILE *
+__open_memstream (bufloc, sizeloc)
+ char **bufloc;
+ _IO_size_t *sizeloc;
+{
+ struct locked_FILE
+ {
+ struct _IO_FILE_memstream fp;
+#ifdef _IO_MTSAFE_IO
+ _IO_lock_t lock;
+#endif
+ struct _IO_wide_data wd;
+ } *new_f;
+ char *buf;
+
+ new_f = (struct locked_FILE *) malloc (sizeof (struct locked_FILE));
+ if (new_f == NULL)
+ return NULL;
+#ifdef _IO_MTSAFE_IO
+ new_f->fp._sf._sbf._f._lock = &new_f->lock;
+#endif
+
+ buf = calloc (1, _IO_BUFSIZ);
+ if (buf == NULL)
+ {
+ free (new_f);
+ return NULL;
+ }
+ _IO_init (&new_f->fp._sf._sbf._f, 0);
+ _IO_JUMPS_FILE_plus (&new_f->fp._sf._sbf) = &_IO_mem_jumps;
+ _IO_str_init_static_internal (&new_f->fp._sf, buf, _IO_BUFSIZ, buf);
+ new_f->fp._sf._sbf._f._flags &= ~_IO_USER_BUF;
+ new_f->fp._sf._s._allocate_buffer = (_IO_alloc_type) malloc;
+ new_f->fp._sf._s._free_buffer = (_IO_free_type) free;
+
+ new_f->fp.bufloc = bufloc;
+ new_f->fp.sizeloc = sizeloc;
+
+ return (_IO_FILE *) &new_f->fp._sf._sbf;
+}
+libc_hidden_def (__open_memstream)
+weak_alias (__open_memstream, open_memstream)
+
+
+static int
+_IO_mem_sync (fp)
+ _IO_FILE* fp;
+{
+ struct _IO_FILE_memstream *mp = (struct _IO_FILE_memstream *) fp;
+
+ if (fp->_IO_write_ptr == fp->_IO_write_end)
+ {
+ _IO_str_overflow (fp, '\0');
+ --fp->_IO_write_ptr;
+ }
+ else
+ *fp->_IO_write_ptr = '\0';
+
+ *mp->bufloc = fp->_IO_write_base;
+ *mp->sizeloc = fp->_IO_write_ptr - fp->_IO_write_base;
+
+ return 0;
+}
+
+
+static void
+_IO_mem_finish (fp, dummy)
+ _IO_FILE* fp;
+ int dummy;
+{
+ struct _IO_FILE_memstream *mp = (struct _IO_FILE_memstream *) fp;
+
+ *mp->bufloc = (char *) realloc (fp->_IO_write_base,
+ fp->_IO_write_ptr - fp->_IO_write_base + 1);
+ if (*mp->bufloc != NULL)
+ {
+ (*mp->bufloc)[fp->_IO_write_ptr - fp->_IO_write_base] = '\0';
+ *mp->sizeloc = fp->_IO_write_ptr - fp->_IO_write_base;
+
+ fp->_IO_buf_base = NULL;
+ }
+
+ _IO_str_finish (fp, 0);
+}