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commit a2e9e83956961ae354b981d831d81a1bd768f432 Author: Xiang Xiao <[email protected]> AuthorDate: Tue Mar 8 17:47:22 2022 +0800 libc/stdio: Don't fetch width/prec modifier in parser phase Signed-off-by: Xiang Xiao <[email protected]> --- libs/libc/stdio/lib_libvsprintf.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libs/libc/stdio/lib_libvsprintf.c b/libs/libc/stdio/lib_libvsprintf.c index 7d449cb..c6a5c71 100644 --- a/libs/libc/stdio/lib_libvsprintf.c +++ b/libs/libc/stdio/lib_libvsprintf.c @@ -363,6 +363,10 @@ static int vsprintf_internal(FAR struct lib_outstream_s *stream, flags |= FL_ASTERISK; continue; } + else if (stream == NULL) + { + continue; /* We do only parsing */ + } #endif if ((flags & FL_PREC) != 0)
