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-rw-r--r--userland/ante/ante.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/userland/ante/ante.c b/userland/ante/ante.c
index 003b03c..7fc1315 100644
--- a/userland/ante/ante.c
+++ b/userland/ante/ante.c
@@ -220,6 +220,7 @@ void draw_file(void) {
void write_file(void) {
assert(file_buffer);
+ assert(0 == ftruncate(file_fd, file_size));
pwrite(file_fd, file_buffer, file_size, 0);
}