tools: Avoid leaving extra data at the end of copied files
The copyfile() implementation has strange behaviour if the destination
file already exists. Update it to ensure that any existing data in the
destination file is dropped.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/fit_common.c b/tools/fit_common.c
index 4370de2..5ea43f5 100644
--- a/tools/fit_common.c
+++ b/tools/fit_common.c
@@ -134,7 +134,7 @@
goto out;
}
- fd_dst = open(dst, O_WRONLY | O_CREAT, 0666);
+ fd_dst = open(dst, O_WRONLY | O_CREAT | O_TRUNC, 0666);
if (fd_dst < 0) {
printf("Can't open file %s (%s)\n", dst, strerror(errno));
goto out;