diff options
Diffstat (limited to 'libavutil/detection_bbox.c')
-rw-r--r-- | libavutil/detection_bbox.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/libavutil/detection_bbox.c b/libavutil/detection_bbox.c index 40711e6aa9..b7d0c5575f 100644 --- a/libavutil/detection_bbox.c +++ b/libavutil/detection_bbox.c @@ -21,10 +21,11 @@ AVDetectionBBoxHeader *av_detection_bbox_alloc(uint32_t nb_bboxes, size_t *out_size) { size_t size; - struct { + struct BBoxContext { AVDetectionBBoxHeader header; AVDetectionBBox boxes[1]; } *ret; + const size_t bboxes_offset = offsetof(struct BBoxContext, boxes); size = sizeof(*ret); if (nb_bboxes - 1 > (SIZE_MAX - size) / sizeof(*ret->boxes)) @@ -37,7 +38,7 @@ AVDetectionBBoxHeader *av_detection_bbox_alloc(uint32_t nb_bboxes, size_t *out_s ret->header.nb_bboxes = nb_bboxes; ret->header.bbox_size = sizeof(*ret->boxes); - ret->header.bboxes_offset = (char *)&ret->boxes - (char *)&ret->header; + ret->header.bboxes_offset = bboxes_offset; if (out_size) *out_size = size; |