tests/avocado: Introduce file_truncate()

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/r/20230120134314.81956-2-philmd@linaro.org
[ clg: remove image_pow2ceil_expand() factoring ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>

diff --git a/tests/avocado/boot_linux_console.py b/tests/avocado/boot_linux_console.py
index 8c1d98158613537728811e21f7a17b9ac9624d2b..13e66886243460368bd7db894466508c889a75d3 100644 (file)
--- a/tests/avocado/boot_linux_console.py
+++ b/tests/avocado/boot_linux_console.py
@@ -30,6 +30,11 @@ Round up to next power of 2
 def pow2ceil(x):
     return 1 if x == 0 else 2**(x - 1).bit_length()
 
+def file_truncate(path, size):
+    if size != os.path.getsize(path):
+        with open(path, 'ab+') as fd:
+            fd.truncate(size)
+
 """
 Expand file size to next power of 2
 """