Comments are not enough for clang. Changed to use the C++ attribute. Found with -Wimplicit-fallthrough Signed-off-by: Rosen Penev <rosenp@xxxxxxxxx> --- utils/cec-compliance/cec-compliance.cpp | 7 +++++++ utils/cec-ctl/cec-ctl.cpp | 8 +++++++- utils/cec-follower/cec-follower.cpp | 7 +++++++ utils/cec-follower/cec-processing.cpp | 9 ++++++++- utils/cec-follower/cec-tuner.cpp | 12 +++++++++--- utils/libcecutil/cec-log.cpp | 8 +++++++- utils/v4l2-compliance/v4l2-test-colors.cpp | 16 +++++++++++----- utils/v4l2-compliance/v4l2-test-controls.cpp | 16 +++++++++++----- utils/v4l2-compliance/v4l2-test-formats.cpp | 10 ++++++++-- utils/v4l2-ctl/v4l2-ctl-streaming.cpp | 10 ++++++++-- utils/v4l2-ctl/v4l2-ctl-vbi.cpp | 10 ++++++++-- 11 files changed, 91 insertions(+), 22 deletions(-) diff --git a/utils/cec-compliance/cec-compliance.cpp b/utils/cec-compliance/cec-compliance.cpp index 1c62b5c9..e9fce337 100644 --- a/utils/cec-compliance/cec-compliance.cpp +++ b/utils/cec-compliance/cec-compliance.cpp @@ -24,6 +24,12 @@ #include "version.h" #endif +#ifdef __clang__ +#define FALLTHROUGH [[clang::fallthrough]] +#else +#define FALLTHROUGH [[gnu::fallthrough]] +#endif + /* Short option list Please keep in alphabetical order. @@ -486,6 +492,7 @@ void sad_decode(struct short_audio_desc *sad, __u32 descriptor) case SAD_EXT_TYPE_MPEG_H_3D_AUDIO: case SAD_EXT_TYPE_AC_4: sad->format_dependent = b3 & 0x07; + FALLTHROUGH; case SAD_EXT_TYPE_LPCM_3D_AUDIO: sad->bit_depth_mask = b3 & 0x07; break; diff --git a/utils/cec-ctl/cec-ctl.cpp b/utils/cec-ctl/cec-ctl.cpp index f0e31aca..a3698a67 100644 --- a/utils/cec-ctl/cec-ctl.cpp +++ b/utils/cec-ctl/cec-ctl.cpp @@ -37,6 +37,12 @@ #include "cec-ctl.h" +#ifdef __clang__ +#define FALLTHROUGH [[clang::fallthrough]] +#else +#define FALLTHROUGH [[gnu::fallthrough]] +#endif + static struct timespec start_monotonic; static struct timeval start_timeofday; static bool ignore_la[16]; @@ -1967,7 +1973,7 @@ int main(int argc, char **argv) break; case OptPhysAddrFromEDIDPoll: edid_path = optarg; - /* fall-through */ + FALLTHROUGH; case OptPhysAddrFromEDID: phys_addr = parse_phys_addr_from_edid(optarg); break; diff --git a/utils/cec-follower/cec-follower.cpp b/utils/cec-follower/cec-follower.cpp index 1eeae2d4..2d61d5f9 100644 --- a/utils/cec-follower/cec-follower.cpp +++ b/utils/cec-follower/cec-follower.cpp @@ -23,6 +23,12 @@ #include "version.h" #endif +#ifdef __clang__ +#define FALLTHROUGH [[clang::fallthrough]] +#else +#define FALLTHROUGH [[gnu::fallthrough]] +#endif + /* Short option list Please keep in alphabetical order. @@ -142,6 +148,7 @@ void sad_encode(const struct short_audio_desc *sad, __u32 *descriptor) case SAD_EXT_TYPE_MPEG_H_3D_AUDIO: case SAD_EXT_TYPE_AC_4: b3 |= sad->format_dependent & 0x07; + FALLTHROUGH; case SAD_EXT_TYPE_LPCM_3D_AUDIO: b3 |= sad->bit_depth_mask & 0x07; break; diff --git a/utils/cec-follower/cec-processing.cpp b/utils/cec-follower/cec-processing.cpp index 8e3a33a2..68bfdca3 100644 --- a/utils/cec-follower/cec-processing.cpp +++ b/utils/cec-follower/cec-processing.cpp @@ -19,6 +19,12 @@ #include "cec-follower.h" +#ifdef __clang__ +#define FALLTHROUGH [[clang::fallthrough]] +#else +#define FALLTHROUGH [[gnu::fallthrough]] +#endif + #define VOLUME_MAX 0x64 #define VOLUME_MIN 0 @@ -352,7 +358,7 @@ static void processMsg(struct node *node, struct cec_msg &msg, unsigned me) if (cec_has_tv(1 << la) && la_info[la].phys_addr == 0) warn("TV (0) at 0.0.0.0 sent Routing Information."); } - + FALLTHROUGH; /* System Information */ @@ -708,6 +714,7 @@ static void processMsg(struct node *node, struct cec_msg &msg, unsigned me) cec_msg_system_audio_mode_status(&msg, node->state.sac_active ? CEC_OP_SYS_AUD_STATUS_ON : CEC_OP_SYS_AUD_STATUS_OFF); transmit(node, &msg); + FALLTHROUGH; case CEC_MSG_GIVE_AUDIO_STATUS: if (!cec_has_audiosystem(1 << me)) break; diff --git a/utils/cec-follower/cec-tuner.cpp b/utils/cec-follower/cec-tuner.cpp index aa19f55d..af7c6437 100644 --- a/utils/cec-follower/cec-tuner.cpp +++ b/utils/cec-follower/cec-tuner.cpp @@ -8,6 +8,12 @@ #include "cec-follower.h" +#ifdef __clang__ +#define FALLTHROUGH [[clang::fallthrough]] +#else +#define FALLTHROUGH [[gnu::fallthrough]] +#endif + #define NUM_ANALOG_FREQS 3 #define NUM_DIGITAL_CHANS 3 #define TOT_ANALOG_FREQS (sizeof(analog_freqs_khz) / sizeof(analog_freqs_khz[0][0][0])) @@ -303,21 +309,21 @@ static int digital_get_service_idx(struct cec_op_digital_service_id *digital) switch (digital->dig_bcast_system) { case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ARIB_T: is_terrestrial = true; - /* fall through */ + FALLTHROUGH; case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ARIB_BS: info = &digital_arib_data[is_terrestrial][0]; offset = is_terrestrial * NUM_DIGITAL_CHANS; break; case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_T: is_terrestrial = true; - /* fall through */ + FALLTHROUGH; case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_SAT: info = &digital_atsc_data[is_terrestrial][0]; offset = (2 + is_terrestrial) * NUM_DIGITAL_CHANS; break; case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_T: is_terrestrial = true; - /* fall through */ + FALLTHROUGH; case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_S2: info = &digital_dvb_data[is_terrestrial][0]; offset = (4 + is_terrestrial) * NUM_DIGITAL_CHANS; diff --git a/utils/libcecutil/cec-log.cpp b/utils/libcecutil/cec-log.cpp index 28a1ecac..9844ac43 100644 --- a/utils/libcecutil/cec-log.cpp +++ b/utils/libcecutil/cec-log.cpp @@ -15,6 +15,12 @@ #include "cec-info.h" #include "cec-log.h" +#ifdef __clang__ +#define FALLTHROUGH [[clang::fallthrough]] +#else +#define FALLTHROUGH [[gnu::fallthrough]] +#endif + static const struct cec_arg arg_u8 = { CEC_ARG_TYPE_U8, }; @@ -44,7 +50,7 @@ static void log_arg(const struct cec_arg *arg, const char *arg_name, __u32 val) return; } } - /* fall through */ + FALLTHROUGH; case CEC_ARG_TYPE_U8: if (!strcmp(arg_name, "video-latency") || !strcmp(arg_name, "audio-out-delay")) { diff --git a/utils/v4l2-compliance/v4l2-test-colors.cpp b/utils/v4l2-compliance/v4l2-test-colors.cpp index 887b198b..d37300e9 100644 --- a/utils/v4l2-compliance/v4l2-test-colors.cpp +++ b/utils/v4l2-compliance/v4l2-test-colors.cpp @@ -30,6 +30,12 @@ #include <math.h> #include "v4l2-compliance.h" +#ifdef __clang__ +#define FALLTHROUGH [[clang::fallthrough]] +#else +#define FALLTHROUGH [[gnu::fallthrough]] +#endif + static void setupPlanes(const cv4l_fmt &fmt, __u8 *planes[3]) { if (fmt.g_num_planes() > 1) @@ -328,7 +334,7 @@ static void getColor(const cv4l_fmt &fmt, __u8 * const planes[3], case V4L2_PIX_FMT_RGBA444: case V4L2_PIX_FMT_BGRA444: c.a = (v16 >> 12) / 15.0; - /* fall through */ + FALLTHROUGH; case V4L2_PIX_FMT_RGB444: case V4L2_PIX_FMT_XRGB444: case V4L2_PIX_FMT_XBGR444: @@ -345,7 +351,7 @@ static void getColor(const cv4l_fmt &fmt, __u8 * const planes[3], case V4L2_PIX_FMT_ABGR555: case V4L2_PIX_FMT_BGRA555: c.a = v16 >> 15; - /* fall through */ + FALLTHROUGH; case V4L2_PIX_FMT_YUV555: case V4L2_PIX_FMT_RGB555: case V4L2_PIX_FMT_XRGB555: @@ -376,7 +382,7 @@ static void getColor(const cv4l_fmt &fmt, __u8 * const planes[3], case V4L2_PIX_FMT_RGBA32: case V4L2_PIX_FMT_BGRA32: c.a = ((v32 >> 24) & 0xff) / 255.0; - /* fall through */ + FALLTHROUGH; default: c.r = ((v32 >> 16) & 0xff) / 255.0; c.g = ((v32 >> 8) & 0xff) / 255.0; @@ -444,7 +450,7 @@ static void getColor(const cv4l_fmt &fmt, __u8 * const planes[3], Y = (Y - 16.0 / 255.0) * 255.0 / 219.0; cb *= 255.0 / 224.0; cr *= 255.0 / 224.0; - /* fall through */ + FALLTHROUGH; case V4L2_YCBCR_ENC_601: default: ycbcr2rgb(bt601, Y, cb, cr, c); @@ -453,7 +459,7 @@ static void getColor(const cv4l_fmt &fmt, __u8 * const planes[3], Y = (Y - 16.0 / 255.0) * 255.0 / 219.0; cb *= 255.0 / 224.0; cr *= 255.0 / 224.0; - /* fall through */ + FALLTHROUGH; case V4L2_YCBCR_ENC_709: ycbcr2rgb(rec709, Y, cb, cr, c); break; diff --git a/utils/v4l2-compliance/v4l2-test-controls.cpp b/utils/v4l2-compliance/v4l2-test-controls.cpp index 251a6049..2de888cf 100644 --- a/utils/v4l2-compliance/v4l2-test-controls.cpp +++ b/utils/v4l2-compliance/v4l2-test-controls.cpp @@ -34,6 +34,12 @@ #define V4L2_CTRL_CLASS_VIVID 0x00f00000 +#ifdef __clang__ +#define FALLTHROUGH [[clang::fallthrough]] +#else +#define FALLTHROUGH [[gnu::fallthrough]] +#endif + static int checkQCtrl(struct node *node, struct test_query_ext_ctrl &qctrl) { struct v4l2_querymenu qmenu; @@ -61,20 +67,20 @@ static int checkQCtrl(struct node *node, struct test_query_ext_ctrl &qctrl) case V4L2_CTRL_TYPE_BOOLEAN: if (qctrl.maximum > 1) return fail("invalid boolean max value\n"); - /* fall through */ + FALLTHROUGH; case V4L2_CTRL_TYPE_MENU: case V4L2_CTRL_TYPE_INTEGER_MENU: if (qctrl.step != 1) return fail("invalid step value %lld\n", qctrl.step); if (qctrl.minimum < 0) return fail("min < 0\n"); - /* fall through */ + FALLTHROUGH; case V4L2_CTRL_TYPE_INTEGER: case V4L2_CTRL_TYPE_INTEGER64: if (qctrl.default_value < qctrl.minimum || qctrl.default_value > qctrl.maximum) return fail("def < min || def > max\n"); - /* fall through */ + FALLTHROUGH; case V4L2_CTRL_TYPE_STRING: if (qctrl.minimum > qctrl.maximum) return fail("min > max\n"); @@ -116,7 +122,7 @@ static int checkQCtrl(struct node *node, struct test_query_ext_ctrl &qctrl) case V4L2_CTRL_TYPE_BUTTON: if ((fl & rw_mask) != V4L2_CTRL_FLAG_WRITE_ONLY) return fail("button control not write only\n"); - /* fall through */ + FALLTHROUGH; case V4L2_CTRL_TYPE_BOOLEAN: case V4L2_CTRL_TYPE_MENU: case V4L2_CTRL_TYPE_INTEGER_MENU: @@ -124,7 +130,7 @@ static int checkQCtrl(struct node *node, struct test_query_ext_ctrl &qctrl) case V4L2_CTRL_TYPE_BITMASK: if (fl & V4L2_CTRL_FLAG_SLIDER) return fail("slider makes only sense for integer controls\n"); - /* fall through */ + FALLTHROUGH; case V4L2_CTRL_TYPE_INTEGER64: case V4L2_CTRL_TYPE_INTEGER: if ((fl & rw_mask) == rw_mask) diff --git a/utils/v4l2-compliance/v4l2-test-formats.cpp b/utils/v4l2-compliance/v4l2-test-formats.cpp index 3fc87316..9e98cf99 100644 --- a/utils/v4l2-compliance/v4l2-test-formats.cpp +++ b/utils/v4l2-compliance/v4l2-test-formats.cpp @@ -32,6 +32,12 @@ #include <assert.h> #include "v4l2-compliance.h" +#ifdef __clang__ +#define FALLTHROUGH [[clang::fallthrough]] +#else +#define FALLTHROUGH [[gnu::fallthrough]] +#endif + static const __u32 buftype2cap[] = { 0, V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_M2M, @@ -97,7 +103,7 @@ static int testEnumFrameIntervals(struct node *node, __u32 pixfmt, case V4L2_FRMIVAL_TYPE_CONTINUOUS: if (sw->step.numerator != 1 || sw->step.denominator != 1) return fail("invalid step for continuous frameinterval\n"); - /* fallthrough */ + FALLTHROUGH; case V4L2_FRMIVAL_TYPE_STEPWISE: if (frmival.index) return fail("index must be 0 for stepwise/continuous frameintervals\n"); @@ -183,7 +189,7 @@ static int testEnumFrameSizes(struct node *node, __u32 pixfmt) case V4L2_FRMSIZE_TYPE_CONTINUOUS: if (frmsize.stepwise.step_width != 1 || frmsize.stepwise.step_height != 1) return fail("invalid step_width/height for continuous framesize\n"); - /* fallthrough */ + FALLTHROUGH; case V4L2_FRMSIZE_TYPE_STEPWISE: if (frmsize.index) return fail("index must be 0 for stepwise/continuous framesizes\n"); diff --git a/utils/v4l2-ctl/v4l2-ctl-streaming.cpp b/utils/v4l2-ctl/v4l2-ctl-streaming.cpp index 6981a3cc..bb464e99 100644 --- a/utils/v4l2-ctl/v4l2-ctl-streaming.cpp +++ b/utils/v4l2-ctl/v4l2-ctl-streaming.cpp @@ -24,6 +24,12 @@ #include <media-info.h> #include <fwht-ctrls.h> +#ifdef __clang__ +#define FALLTHROUGH [[clang::fallthrough]] +#else +#define FALLTHROUGH [[gnu::fallthrough]] +#endif + extern "C" { #include "v4l2-tpg.h" } @@ -763,7 +769,7 @@ void streaming_cmd(int ch, char *optarg) break; case OptStreamUser: memory = V4L2_MEMORY_USERPTR; - /* fall through */ + FALLTHROUGH; case OptStreamMmap: if (optarg) { reqbufs_count_cap = strtoul(optarg, 0L, 0); @@ -776,7 +782,7 @@ void streaming_cmd(int ch, char *optarg) break; case OptStreamOutUser: out_memory = V4L2_MEMORY_USERPTR; - /* fall through */ + FALLTHROUGH; case OptStreamOutMmap: if (optarg) { reqbufs_count_out = strtoul(optarg, 0L, 0); diff --git a/utils/v4l2-ctl/v4l2-ctl-vbi.cpp b/utils/v4l2-ctl/v4l2-ctl-vbi.cpp index c5960f78..82d01b58 100644 --- a/utils/v4l2-ctl/v4l2-ctl-vbi.cpp +++ b/utils/v4l2-ctl/v4l2-ctl-vbi.cpp @@ -16,6 +16,12 @@ #include "v4l2-ctl.h" +#ifdef __clang__ +#define FALLTHROUGH [[clang::fallthrough]] +#else +#define FALLTHROUGH [[gnu::fallthrough]] +#endif + static struct v4l2_format sliced_fmt; /* set_format/get_format for sliced VBI */ static struct v4l2_format sliced_fmt_out; /* set_format/get_format for sliced VBI output */ static struct v4l2_format raw_fmt; /* set_format/get_format for VBI */ @@ -87,7 +93,7 @@ void vbi_cmd(int ch, char *optarg) case OptSetSlicedVbiOutFormat: case OptTrySlicedVbiOutFormat: sliced = &sliced_fmt_out; - /* fall through */ + FALLTHROUGH; case OptSetSlicedVbiFormat: case OptTrySlicedVbiFormat: sliced->fmt.sliced.service_set = 0; @@ -130,7 +136,7 @@ void vbi_cmd(int ch, char *optarg) case OptSetVbiOutFormat: case OptTryVbiOutFormat: raw = &raw_fmt_out; - /* fall through */ + FALLTHROUGH; case OptSetVbiFormat: case OptTryVbiFormat: subs = optarg; -- 2.25.2