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gustavonihei pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git
commit 1e607a70bcfe94959ecc62bc0e41f7b21201dd08
Author: Xiang Xiao <xiaoxi...@xiaomi.com>
AuthorDate: Sat Oct 9 14:32:59 2021 +0800
libc/vsprintf_internal: Call va_copy just like vsyslog
Signed-off-by: Xiang Xiao <xiaoxi...@xiaomi.com>
---
libs/libc/stdio/lib_libvsprintf.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/libs/libc/stdio/lib_libvsprintf.c
b/libs/libc/stdio/lib_libvsprintf.c
index 5dc7121..6e0fef0 100644
--- a/libs/libc/stdio/lib_libvsprintf.c
+++ b/libs/libc/stdio/lib_libvsprintf.c
@@ -464,7 +464,15 @@ static int vsprintf_internal(FAR struct lib_outstream_s
*stream,
if (fmt_char(fmt) == 'V')
{
FAR struct va_format *vaf = va_arg(ap, void *);
+#ifdef va_copy
+ va_list copy;
+
+ va_copy(copy, *vaf->va);
+ vsprintf_internal(stream, NULL, 0, vaf->fmt, copy);
+ va_end(copy);
+#else
vsprintf_internal(stream, NULL, 0, vaf->fmt, *vaf->va);
+#endif
continue;
}
else
