[PATCH 5/5] tracetool: Forbid newline character in event format

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

Events aren't designed to be multi-lines. Multiple events
can be used instead. Prevent that format using multi-lines
by forbidding the newline character.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 scripts/tracetool/__init__.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/scripts/tracetool/__init__.py b/scripts/tracetool/__init__.py
index 7237abe0e8..bc03238c0f 100644
--- a/scripts/tracetool/__init__.py
+++ b/scripts/tracetool/__init__.py
@@ -301,6 +301,8 @@ def build(line_str, lineno, filename):
         if fmt.endswith(r'\n"'):
             raise ValueError("Event format must not end with a newline "
                              "character")
+        if '\\n' in fmt:
+            raise ValueError("Event format must not use new line character")
 
         if len(fmt_trans) > 0:
             fmt = [fmt_trans, fmt]
-- 
2.41.0