zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/stdio/vswprintf.c b/ap/build/uClibc/libc/stdio/vswprintf.c
new file mode 100644
index 0000000..2195248
--- /dev/null
+++ b/ap/build/uClibc/libc/stdio/vswprintf.c
@@ -0,0 +1,75 @@
+/* Copyright (C) 2004 Manuel Novoa III <mjn3@codepoet.org>
+ *
+ * GNU Library General Public License (LGPL) version 2 or later.
+ *
+ * Dedicated to Toni. See uClibc/DEDICATION.mjn3 for details.
+ */
+
+#include "_stdio.h"
+#include <stdarg.h>
+#include <wchar.h>
+
+
+/* NB: this file is not used if __USE_OLD_VFPRINTF__ */
+
+#ifndef __STDIO_BUFFERS
+#warning Skipping vswprintf since no buffering!
+#else /* __STDIO_BUFFERS */
+
+int vswprintf(wchar_t *__restrict buf, size_t size,
+ const wchar_t * __restrict format, va_list arg)
+{
+ FILE f;
+ int rv;
+
+/* __STDIO_STREAM_RESET_GCS(&f); */
+#ifdef __UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__
+ f.__cookie = &(f.__filedes);
+ f.__gcs.read = NULL;
+ f.__gcs.write = NULL;
+ f.__gcs.seek = NULL;
+ f.__gcs.close = NULL;
+#endif
+
+ f.__filedes = __STDIO_STREAM_FAKE_VSWPRINTF_FILEDES;
+ f.__modeflags = (__FLAG_WIDE|__FLAG_WRITEONLY|__FLAG_WRITING);
+
+ f.__ungot_width[0] = 0;
+#ifdef __STDIO_MBSTATE
+ __INIT_MBSTATE(&(f.__state));
+#endif /* __STDIO_MBSTATE */
+
+#ifdef __UCLIBC_HAS_THREADS__
+ f.__user_locking = 1; /* Set user locking. */
+ STDIO_INIT_MUTEX(f.__lock);
+#endif /* __UCLIBC_HAS_THREADS__ */
+
+ f.__nextopen = NULL;
+
+ if (size > ((SIZE_MAX - (size_t) buf)/sizeof(wchar_t))) {
+ size = ((SIZE_MAX - (size_t) buf)/sizeof(wchar_t));
+ }
+
+ f.__bufstart = (unsigned char *) buf;
+ f.__bufend = (unsigned char *) (buf + size);
+ __STDIO_STREAM_INIT_BUFREAD_BUFPOS(&f);
+ __STDIO_STREAM_DISABLE_GETC(&f);
+ __STDIO_STREAM_DISABLE_PUTC(&f);
+
+ rv = _vfwprintf_internal(&f, format, arg);
+
+ /* NOTE: Return behaviour differs from snprintf... */
+ if (f.__bufpos == f.__bufend) {
+ rv = -1;
+ if (size) {
+ f.__bufpos = (unsigned char *) (((wchar_t *) f.__bufpos) - 1);
+ }
+ }
+ if (size) {
+ *((wchar_t *) f.__bufpos) = 0;
+ }
+ return rv;
+}
+libc_hidden_def(vswprintf)
+
+#endif /* __STDIO_BUFFERS */