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-rw-r--r--src/blind-rewrite-head.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/blind-rewrite-head.c b/src/blind-rewrite-head.c
index 1de8a29..9111485 100644
--- a/src/blind-rewrite-head.c
+++ b/src/blind-rewrite-head.c
@@ -38,8 +38,7 @@ rewrite(struct stream *stream, int frames_auto)
else if (stream->frames != frame_count)
eprintf("%s: frame count mismatch\n", stream->file);
- sprintf(head, "%zu %zu %zu %s\n%cuivf%zn",
- stream->frames, stream->width, stream->height, stream->pixfmt, 0, &headlen);
+ SPRINTF_HEAD_ZN(head, stream->frames, stream->width, stream->height, stream->pixfmt, &headlen);
length = stream->frames * frame_size;
if (length > (size_t)SSIZE_MAX || (size_t)headlen > (size_t)SSIZE_MAX - length)