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Subject: v4l2-compliance: Constify pointers and references in formats tests Author: Laurent Pinchart <laurent.pinch...@ideasonboard.com> Date: Mon Apr 1 23:05:49 2024 +0300 Multiple variables point to or reference data that never needs to be modified. Make them const. Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com> Reviewed-by: Tomi Valkeinen <tomi.valkei...@ideasonboard.com> Reviewed-by: Hans Verkuil <hverkuil-ci...@xs4all.nl> utils/v4l2-compliance/v4l2-test-formats.cpp | 30 ++++++++++++++--------------- 1 file changed, 15 insertions(+), 15 deletions(-) --- http://git.linuxtv.org/cgit.cgi/v4l-utils.git/commit/?id=62f1c6833e12f22c81750529761410621aa54830 diff --git a/utils/v4l2-compliance/v4l2-test-formats.cpp b/utils/v4l2-compliance/v4l2-test-formats.cpp index 8a16613c3097..423567fe573b 100644 --- a/utils/v4l2-compliance/v4l2-test-formats.cpp +++ b/utils/v4l2-compliance/v4l2-test-formats.cpp @@ -49,7 +49,7 @@ static int testEnumFrameIntervals(struct node *node, __u32 pixfmt, __u32 w, __u32 h, __u32 type) { struct v4l2_frmivalenum frmival; - struct v4l2_frmival_stepwise *sw = &frmival.stepwise; + const struct v4l2_frmival_stepwise *sw = &frmival.stepwise; bool found_stepwise = false; unsigned f = 0; int ret; @@ -129,7 +129,7 @@ static int testEnumFrameIntervals(struct node *node, __u32 pixfmt, static int testEnumFrameSizes(struct node *node, __u32 pixfmt) { struct v4l2_frmsizeenum frmsize; - struct v4l2_frmsize_stepwise *sw = &frmsize.stepwise; + const struct v4l2_frmsize_stepwise *sw = &frmsize.stepwise; bool found_stepwise = false; __u64 cookie; unsigned f = 0; @@ -438,15 +438,15 @@ static void createInvalidFmt(struct v4l2_format &fmt, struct v4l2_clip &clip, un static int testFormatsType(struct node *node, int ret, unsigned type, struct v4l2_format &fmt, bool have_clip = false) { - pixfmt_map &map = node->buftype_pixfmts[type]; - pixfmt_map *map_splane; - struct v4l2_pix_format &pix = fmt.fmt.pix; - struct v4l2_pix_format_mplane &pix_mp = fmt.fmt.pix_mp; - struct v4l2_window &win = fmt.fmt.win; - struct v4l2_vbi_format &vbi = fmt.fmt.vbi; - struct v4l2_sliced_vbi_format &sliced = fmt.fmt.sliced; - struct v4l2_sdr_format &sdr = fmt.fmt.sdr; - struct v4l2_meta_format &meta = fmt.fmt.meta; + const pixfmt_map &map = node->buftype_pixfmts[type]; + const pixfmt_map *map_splane; + const struct v4l2_pix_format &pix = fmt.fmt.pix; + const struct v4l2_pix_format_mplane &pix_mp = fmt.fmt.pix_mp; + const struct v4l2_window &win = fmt.fmt.win; + const struct v4l2_vbi_format &vbi = fmt.fmt.vbi; + const struct v4l2_sliced_vbi_format &sliced = fmt.fmt.sliced; + const struct v4l2_sdr_format &sdr = fmt.fmt.sdr; + const struct v4l2_meta_format &meta = fmt.fmt.meta; unsigned min_data_samples; unsigned min_sampling_rate; v4l2_std_id std; @@ -497,7 +497,7 @@ static int testFormatsType(struct node *node, int ret, unsigned type, struct v4 return fail("pix_mp.reserved not zeroed\n"); fail_on_test(pix_mp.num_planes == 0 || pix_mp.num_planes >= VIDEO_MAX_PLANES); for (int i = 0; i < pix_mp.num_planes; i++) { - struct v4l2_plane_pix_format &pfmt = pix_mp.plane_fmt[i]; + const struct v4l2_plane_pix_format &pfmt = pix_mp.plane_fmt[i]; ret = check_0(pfmt.reserved, sizeof(pfmt.reserved)); if (ret) @@ -559,7 +559,7 @@ static int testFormatsType(struct node *node, int ret, unsigned type, struct v4 if (have_clip) fail_on_test(!win.clipcount && (node->fbuf_caps & V4L2_FBUF_CAP_LIST_CLIPPING)); if (win.clipcount) { - struct v4l2_rect *r = &win.clips->c; + const struct v4l2_rect *r = &win.clips->c; struct v4l2_framebuffer fb; fail_on_test(doioctl(node, VIDIOC_G_FBUF, &fb)); @@ -1281,8 +1281,8 @@ int testSlicedVBICap(struct node *node) static int testParmStruct(struct node *node, struct v4l2_streamparm &parm) { bool is_stateful_enc = node->codec_mask & STATEFUL_ENCODER; - struct v4l2_captureparm *cap = &parm.parm.capture; - struct v4l2_outputparm *out = &parm.parm.output; + const struct v4l2_captureparm *cap = &parm.parm.capture; + const struct v4l2_outputparm *out = &parm.parm.output; int ret; switch (parm.type) {
