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[tor-commits] [tor/release-0.4.2] Use __attribute__((fallthrough)) rather than magic GCC comments.
commit cc397449fca8fb1559db3a790dffcd1e8046e86b
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date: Wed May 6 10:45:48 2020 -0400
Use __attribute__((fallthrough)) rather than magic GCC comments.
GCC added an implicit-fallthrough warning a while back, where it
would complain if you had a nontrivial "case:" block that didn't end
with break, return, or something like that. Clang recently added
the same thing.
GCC, however, would let you annotate a fall-through as intended by
any of various magic "/* fall through */" comments. Clang, however,
only seems to like "__attribute__((fallthrough))". Fortunately, GCC
accepts that too.
A previous commit in this branch defined a FALLTHROUGH macro to do
the right thing if GNUC is defined; here we replace all of our "fall
through" comments with uses of that macro.
This is an automated commit, made with the following perl one-liner:
#!/usr/bin/perl -i -p
s#/\* *falls? ?thr.*?\*/#FALLTHROUGH;#i;
---
src/app/config/confparse.c | 8 +++---
src/core/or/channeltls.c | 2 +-
src/core/or/circuitbuild.c | 2 +-
src/core/or/circuitlist.c | 4 +--
src/core/or/circuituse.c | 2 +-
src/core/or/connection_edge.c | 2 +-
src/core/or/onion.c | 2 +-
src/core/or/reasons.c | 2 +-
src/core/or/relay.c | 2 +-
src/core/or/scheduler.c | 4 +--
src/core/proto/proto_socks.c | 4 +--
src/ext/csiphash.c | 14 +++++-----
src/ext/ed25519/donna/modm-donna-32bit.h | 48 ++++++++++++++++----------------
src/ext/ed25519/donna/modm-donna-64bit.h | 24 ++++++++--------
src/feature/client/entrynodes.c | 2 +-
src/feature/control/control.c | 2 +-
src/feature/dirclient/dirclient.c | 2 +-
src/feature/dirparse/parsecommon.c | 2 +-
src/feature/relay/dns.c | 2 +-
src/feature/rend/rendclient.c | 2 +-
src/lib/crypt_ops/crypto_digest.c | 28 +++++++++----------
src/test/test_socks.c | 2 +-
22 files changed, 81 insertions(+), 81 deletions(-)
diff --git a/src/app/config/confparse.c b/src/app/config/confparse.c
index 729e7a447..efa0c19fa 100644
--- a/src/app/config/confparse.c
+++ b/src/app/config/confparse.c
@@ -179,7 +179,7 @@ config_assign_value(const config_format_t *fmt, void *options,
*(int *)lvalue = CFG_AUTO_PORT;
break;
}
- /* fall through */
+ FALLTHROUGH;
case CONFIG_TYPE_INT:
case CONFIG_TYPE_UINT:
i = (int)tor_parse_long(c->value, 10,
@@ -577,7 +577,7 @@ config_get_assigned_option(const config_format_t *fmt, const void *options,
escape_val = 0;
break;
}
- /* fall through */
+ FALLTHROUGH;
case CONFIG_TYPE_CSV_INTERVAL:
case CONFIG_TYPE_INTERVAL:
case CONFIG_TYPE_MSEC_INTERVAL:
@@ -588,7 +588,7 @@ config_get_assigned_option(const config_format_t *fmt, const void *options,
tor_asprintf(&result->value, "%d", *(int*)value);
escape_val = 0; /* Can't need escape. */
break;
- case CONFIG_TYPE_UINT64: /* Fall through */
+ case CONFIG_TYPE_UINT64: FALLTHROUGH;
case CONFIG_TYPE_MEMUNIT:
tor_asprintf(&result->value, "%"PRIu64,
(*(uint64_t*)value));
@@ -605,7 +605,7 @@ config_get_assigned_option(const config_format_t *fmt, const void *options,
escape_val = 0;
break;
}
- /* fall through */
+ FALLTHROUGH;
case CONFIG_TYPE_BOOL:
result->value = tor_strdup(*(int*)value ? "1" : "0");
escape_val = 0; /* Can't need escape. */
diff --git a/src/core/or/channeltls.c b/src/core/or/channeltls.c
index 4db283d20..f874e3994 100644
--- a/src/core/or/channeltls.c
+++ b/src/core/or/channeltls.c
@@ -1238,7 +1238,7 @@ channel_tls_handle_var_cell(var_cell_t *var_cell, or_connection_t *conn)
/* But that should be happening any longer've disabled bufferevents. */
tor_assert_nonfatal_unreached_once();
- /* fall through */
+ FALLTHROUGH;
case OR_CONN_STATE_TLS_SERVER_RENEGOTIATING:
if (!(command_allowed_before_handshake(var_cell->command))) {
log_fn(LOG_PROTOCOL_WARN, LD_PROTOCOL,
diff --git a/src/core/or/circuitbuild.c b/src/core/or/circuitbuild.c
index 21369fb53..f3a5791d6 100644
--- a/src/core/or/circuitbuild.c
+++ b/src/core/or/circuitbuild.c
@@ -2106,7 +2106,7 @@ choose_good_exit_server(origin_circuit_t *circ,
/* For these three, we want to pick the exit like a middle hop,
* since it should be random. */
tor_assert_nonfatal(is_internal);
- /* Falls through */
+ FALLTHROUGH;
case CIRCUIT_PURPOSE_C_GENERAL:
if (is_internal) /* pick it like a middle hop */
return router_choose_random_node(NULL, options->ExcludeNodes, flags);
diff --git a/src/core/or/circuitlist.c b/src/core/or/circuitlist.c
index 145004c71..be5ac3b7f 100644
--- a/src/core/or/circuitlist.c
+++ b/src/core/or/circuitlist.c
@@ -787,7 +787,7 @@ circuit_purpose_to_controller_hs_state_string(uint8_t purpose)
"Unrecognized circuit purpose: %d",
(int)purpose);
tor_fragile_assert();
- /* fall through */
+ FALLTHROUGH;
case CIRCUIT_PURPOSE_OR:
case CIRCUIT_PURPOSE_C_GENERAL:
@@ -2738,7 +2738,7 @@ assert_cpath_layer_ok(const crypt_path_t *cp)
{
case CPATH_STATE_OPEN:
relay_crypto_assert_ok(&cp->crypto);
- /* fall through */
+ FALLTHROUGH;
case CPATH_STATE_CLOSED:
/*XXXX Assert that there's no handshake_state either. */
tor_assert(!cp->rend_dh_handshake_state);
diff --git a/src/core/or/circuituse.c b/src/core/or/circuituse.c
index 000a7c36d..7273be351 100644
--- a/src/core/or/circuituse.c
+++ b/src/core/or/circuituse.c
@@ -780,7 +780,7 @@ circuit_expire_building(void)
TO_ORIGIN_CIRCUIT(victim)->build_state->pending_final_cpath ==
NULL)
break;
- /* fallthrough! */
+ FALLTHROUGH;
case CIRCUIT_PURPOSE_C_INTRODUCE_ACK_WAIT:
case CIRCUIT_PURPOSE_C_REND_READY_INTRO_ACKED:
/* If we have reached this line, we want to spare the circ for now. */
diff --git a/src/core/or/connection_edge.c b/src/core/or/connection_edge.c
index 90991107d..67a772be0 100644
--- a/src/core/or/connection_edge.c
+++ b/src/core/or/connection_edge.c
@@ -324,7 +324,7 @@ connection_edge_process_inbuf(edge_connection_t *conn, int package_partial)
}
/* Fall through if the connection is on a circuit without optimistic
* data support. */
- /* Falls through. */
+ FALLTHROUGH;
case EXIT_CONN_STATE_CONNECTING:
case AP_CONN_STATE_RENDDESC_WAIT:
case AP_CONN_STATE_CIRCUIT_WAIT:
diff --git a/src/core/or/onion.c b/src/core/or/onion.c
index aa77465b9..aeddedd80 100644
--- a/src/core/or/onion.c
+++ b/src/core/or/onion.c
@@ -509,7 +509,7 @@ create_cell_format_impl(cell_t *cell_out, const create_cell_t *cell_in,
p += 16;
space -= 16;
}
- /* Fall through */
+ FALLTHROUGH;
case CELL_CREATE_FAST:
tor_assert(cell_in->handshake_len <= space);
memcpy(p, cell_in->onionskin, cell_in->handshake_len);
diff --git a/src/core/or/reasons.c b/src/core/or/reasons.c
index a7952279b..e21bfa670 100644
--- a/src/core/or/reasons.c
+++ b/src/core/or/reasons.c
@@ -489,7 +489,7 @@ end_reason_to_http_connect_response_line(int endreason)
return "HTTP/1.0 502 Bad Gateway (tor protocol violation)\r\n\r\n";
case END_STREAM_REASON_ENTRYPOLICY:
return "HTTP/1.0 403 Forbidden (entry policy violation)\r\n\r\n";
- case END_STREAM_REASON_NOTDIRECTORY: /* Fall Through */
+ case END_STREAM_REASON_NOTDIRECTORY: FALLTHROUGH;
default:
tor_assert_nonfatal_unreached();
return "HTTP/1.0 500 Internal Server Error (weird end reason)\r\n\r\n";
diff --git a/src/core/or/relay.c b/src/core/or/relay.c
index dc88a6f64..f5fc1cfbb 100644
--- a/src/core/or/relay.c
+++ b/src/core/or/relay.c
@@ -866,7 +866,7 @@ connection_ap_process_end_not_open(
break; /* break means it'll close, below */
/* Else fall through: expire this circuit, clear the
* chosen_exit_name field, and try again. */
- /* Falls through. */
+ FALLTHROUGH;
case END_STREAM_REASON_RESOLVEFAILED:
case END_STREAM_REASON_TIMEOUT:
case END_STREAM_REASON_MISC:
diff --git a/src/core/or/scheduler.c b/src/core/or/scheduler.c
index f85201b7d..9f1a27d50 100644
--- a/src/core/or/scheduler.c
+++ b/src/core/or/scheduler.c
@@ -192,7 +192,7 @@ get_scheduler_type_string(scheduler_types_t type)
case SCHEDULER_KIST_LITE:
return "KISTLite";
case SCHEDULER_NONE:
- /* fallthrough */
+ FALLTHROUGH;
default:
tor_assert_unreached();
return "(N/A)";
@@ -288,7 +288,7 @@ select_scheduler(void)
scheduler_kist_set_lite_mode();
goto end;
case SCHEDULER_NONE:
- /* fallthrough */
+ FALLTHROUGH;
default:
/* Our option validation should have caught this. */
tor_assert_unreached();
diff --git a/src/core/proto/proto_socks.c b/src/core/proto/proto_socks.c
index a6493366e..c7bf13b9f 100644
--- a/src/core/proto/proto_socks.c
+++ b/src/core/proto/proto_socks.c
@@ -856,7 +856,7 @@ fetch_from_buf_socks(buf_t *buf, socks_request_t *req,
case SOCKS_RESULT_TRUNCATED:
if (datalen == n_pullup)
return 0;
- /* FALLTHRU */
+ FALLTHROUGH;
case SOCKS_RESULT_MORE_EXPECTED:
res = 0;
break;
@@ -962,7 +962,7 @@ parse_socks(const char *data, size_t datalen, socks_request_t *req,
strlcpy((char*)req->reply, SOCKS_PROXY_IS_NOT_AN_HTTP_PROXY_MSG,
MAX_SOCKS_REPLY_LEN);
req->replylen = strlen((char*)req->reply)+1;
- /* fall through */
+ FALLTHROUGH;
default: /* version is not socks4 or socks5 */
log_warn(LD_APP,
"Socks version %d not recognized. (This port is not an "
diff --git a/src/ext/csiphash.c b/src/ext/csiphash.c
index a6a9846db..a65b6fcbe 100644
--- a/src/ext/csiphash.c
+++ b/src/ext/csiphash.c
@@ -88,13 +88,13 @@ uint64_t siphash24(const void *src, unsigned long src_sz, const struct sipkey *k
}
switch (src_sz - blocks) {
- case 7: last7 |= (uint64_t)m[i + 6] << 48; /* Falls through. */
- case 6: last7 |= (uint64_t)m[i + 5] << 40; /* Falls through. */
- case 5: last7 |= (uint64_t)m[i + 4] << 32; /* Falls through. */
- case 4: last7 |= (uint64_t)m[i + 3] << 24; /* Falls through. */
- case 3: last7 |= (uint64_t)m[i + 2] << 16; /* Falls through. */
- case 2: last7 |= (uint64_t)m[i + 1] << 8; /* Falls through. */
- case 1: last7 |= (uint64_t)m[i + 0] ; /* Falls through. */
+ case 7: last7 |= (uint64_t)m[i + 6] << 48; FALLTHROUGH;
+ case 6: last7 |= (uint64_t)m[i + 5] << 40; FALLTHROUGH;
+ case 5: last7 |= (uint64_t)m[i + 4] << 32; FALLTHROUGH;
+ case 4: last7 |= (uint64_t)m[i + 3] << 24; FALLTHROUGH;
+ case 3: last7 |= (uint64_t)m[i + 2] << 16; FALLTHROUGH;
+ case 2: last7 |= (uint64_t)m[i + 1] << 8; FALLTHROUGH;
+ case 1: last7 |= (uint64_t)m[i + 0] ; FALLTHROUGH;
case 0:
default:;
}
diff --git a/src/ext/ed25519/donna/modm-donna-32bit.h b/src/ext/ed25519/donna/modm-donna-32bit.h
index 0ef9e58fa..5934d9ca9 100644
--- a/src/ext/ed25519/donna/modm-donna-32bit.h
+++ b/src/ext/ed25519/donna/modm-donna-32bit.h
@@ -385,14 +385,14 @@ sub256_modm_batch(bignum256modm out, const bignum256modm a, const bignum256modm
size_t i = 0;
bignum256modm_element_t carry = 0;
switch (limbsize) {
- case 8: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 31); out[i] &= 0x3fffffff; i++; /* Falls through. */
- case 7: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 31); out[i] &= 0x3fffffff; i++; /* Falls through. */
- case 6: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 31); out[i] &= 0x3fffffff; i++; /* Falls through. */
- case 5: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 31); out[i] &= 0x3fffffff; i++; /* Falls through. */
- case 4: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 31); out[i] &= 0x3fffffff; i++; /* Falls through. */
- case 3: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 31); out[i] &= 0x3fffffff; i++; /* Falls through. */
- case 2: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 31); out[i] &= 0x3fffffff; i++; /* Falls through. */
- case 1: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 31); out[i] &= 0x3fffffff; i++; /* Falls through. */
+ case 8: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 31); out[i] &= 0x3fffffff; i++; FALLTHROUGH;
+ case 7: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 31); out[i] &= 0x3fffffff; i++; FALLTHROUGH;
+ case 6: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 31); out[i] &= 0x3fffffff; i++; FALLTHROUGH;
+ case 5: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 31); out[i] &= 0x3fffffff; i++; FALLTHROUGH;
+ case 4: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 31); out[i] &= 0x3fffffff; i++; FALLTHROUGH;
+ case 3: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 31); out[i] &= 0x3fffffff; i++; FALLTHROUGH;
+ case 2: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 31); out[i] &= 0x3fffffff; i++; FALLTHROUGH;
+ case 1: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 31); out[i] &= 0x3fffffff; i++; FALLTHROUGH;
case 0:
default: out[i] = (a[i] - b[i]) - carry;
}
@@ -403,14 +403,14 @@ sub256_modm_batch(bignum256modm out, const bignum256modm a, const bignum256modm
static int
lt256_modm_batch(const bignum256modm a, const bignum256modm b, size_t limbsize) {
switch (limbsize) {
- case 8: if (a[8] > b[8]) return 0; if (a[8] < b[8]) return 1; /* Falls through. */
- case 7: if (a[7] > b[7]) return 0; if (a[7] < b[7]) return 1; /* Falls through. */
- case 6: if (a[6] > b[6]) return 0; if (a[6] < b[6]) return 1; /* Falls through. */
- case 5: if (a[5] > b[5]) return 0; if (a[5] < b[5]) return 1; /* Falls through. */
- case 4: if (a[4] > b[4]) return 0; if (a[4] < b[4]) return 1; /* Falls through. */
- case 3: if (a[3] > b[3]) return 0; if (a[3] < b[3]) return 1; /* Falls through. */
- case 2: if (a[2] > b[2]) return 0; if (a[2] < b[2]) return 1; /* Falls through. */
- case 1: if (a[1] > b[1]) return 0; if (a[1] < b[1]) return 1; /* Falls through. */
+ case 8: if (a[8] > b[8]) return 0; if (a[8] < b[8]) return 1; FALLTHROUGH;
+ case 7: if (a[7] > b[7]) return 0; if (a[7] < b[7]) return 1; FALLTHROUGH;
+ case 6: if (a[6] > b[6]) return 0; if (a[6] < b[6]) return 1; FALLTHROUGH;
+ case 5: if (a[5] > b[5]) return 0; if (a[5] < b[5]) return 1; FALLTHROUGH;
+ case 4: if (a[4] > b[4]) return 0; if (a[4] < b[4]) return 1; FALLTHROUGH;
+ case 3: if (a[3] > b[3]) return 0; if (a[3] < b[3]) return 1; FALLTHROUGH;
+ case 2: if (a[2] > b[2]) return 0; if (a[2] < b[2]) return 1; FALLTHROUGH;
+ case 1: if (a[1] > b[1]) return 0; if (a[1] < b[1]) return 1; FALLTHROUGH;
case 0: if (a[0] > b[0]) return 0; if (a[0] < b[0]) return 1;
}
return 0;
@@ -420,14 +420,14 @@ lt256_modm_batch(const bignum256modm a, const bignum256modm b, size_t limbsize)
static int
lte256_modm_batch(const bignum256modm a, const bignum256modm b, size_t limbsize) {
switch (limbsize) {
- case 8: if (a[8] > b[8]) return 0; if (a[8] < b[8]) return 1; /* Falls through. */
- case 7: if (a[7] > b[7]) return 0; if (a[7] < b[7]) return 1; /* Falls through. */
- case 6: if (a[6] > b[6]) return 0; if (a[6] < b[6]) return 1; /* Falls through. */
- case 5: if (a[5] > b[5]) return 0; if (a[5] < b[5]) return 1; /* Falls through. */
- case 4: if (a[4] > b[4]) return 0; if (a[4] < b[4]) return 1; /* Falls through. */
- case 3: if (a[3] > b[3]) return 0; if (a[3] < b[3]) return 1; /* Falls through. */
- case 2: if (a[2] > b[2]) return 0; if (a[2] < b[2]) return 1; /* Falls through. */
- case 1: if (a[1] > b[1]) return 0; if (a[1] < b[1]) return 1; /* Falls through. */
+ case 8: if (a[8] > b[8]) return 0; if (a[8] < b[8]) return 1; FALLTHROUGH;
+ case 7: if (a[7] > b[7]) return 0; if (a[7] < b[7]) return 1; FALLTHROUGH;
+ case 6: if (a[6] > b[6]) return 0; if (a[6] < b[6]) return 1; FALLTHROUGH;
+ case 5: if (a[5] > b[5]) return 0; if (a[5] < b[5]) return 1; FALLTHROUGH;
+ case 4: if (a[4] > b[4]) return 0; if (a[4] < b[4]) return 1; FALLTHROUGH;
+ case 3: if (a[3] > b[3]) return 0; if (a[3] < b[3]) return 1; FALLTHROUGH;
+ case 2: if (a[2] > b[2]) return 0; if (a[2] < b[2]) return 1; FALLTHROUGH;
+ case 1: if (a[1] > b[1]) return 0; if (a[1] < b[1]) return 1; FALLTHROUGH;
case 0: if (a[0] > b[0]) return 0; if (a[0] < b[0]) return 1;
}
return 1;
diff --git a/src/ext/ed25519/donna/modm-donna-64bit.h b/src/ext/ed25519/donna/modm-donna-64bit.h
index 06c98e303..aa361afdb 100644
--- a/src/ext/ed25519/donna/modm-donna-64bit.h
+++ b/src/ext/ed25519/donna/modm-donna-64bit.h
@@ -294,10 +294,10 @@ sub256_modm_batch(bignum256modm out, const bignum256modm a, const bignum256modm
size_t i = 0;
bignum256modm_element_t carry = 0;
switch (limbsize) {
- case 4: out[i] = (a[i] - b[i]) ; carry = (out[i] >> 63); out[i] &= 0xffffffffffffff; i++; /* Falls through. */
- case 3: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 63); out[i] &= 0xffffffffffffff; i++; /* Falls through. */
- case 2: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 63); out[i] &= 0xffffffffffffff; i++; /* Falls through. */
- case 1: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 63); out[i] &= 0xffffffffffffff; i++; /* Falls through. */
+ case 4: out[i] = (a[i] - b[i]) ; carry = (out[i] >> 63); out[i] &= 0xffffffffffffff; i++; FALLTHROUGH;
+ case 3: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 63); out[i] &= 0xffffffffffffff; i++; FALLTHROUGH;
+ case 2: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 63); out[i] &= 0xffffffffffffff; i++; FALLTHROUGH;
+ case 1: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 63); out[i] &= 0xffffffffffffff; i++; FALLTHROUGH;
case 0:
default: out[i] = (a[i] - b[i]) - carry;
}
@@ -310,10 +310,10 @@ lt256_modm_batch(const bignum256modm a, const bignum256modm b, size_t limbsize)
size_t i = 0;
bignum256modm_element_t t, carry = 0;
switch (limbsize) {
- case 4: t = (a[i] - b[i]) ; carry = (t >> 63); i++; /* Falls through. */
- case 3: t = (a[i] - b[i]) - carry; carry = (t >> 63); i++; /* Falls through. */
- case 2: t = (a[i] - b[i]) - carry; carry = (t >> 63); i++; /* Falls through. */
- case 1: t = (a[i] - b[i]) - carry; carry = (t >> 63); i++; /* Falls through. */
+ case 4: t = (a[i] - b[i]) ; carry = (t >> 63); i++; FALLTHROUGH;
+ case 3: t = (a[i] - b[i]) - carry; carry = (t >> 63); i++; FALLTHROUGH;
+ case 2: t = (a[i] - b[i]) - carry; carry = (t >> 63); i++; FALLTHROUGH;
+ case 1: t = (a[i] - b[i]) - carry; carry = (t >> 63); i++; FALLTHROUGH;
case 0: t = (a[i] - b[i]) - carry; carry = (t >> 63);
}
return (int)carry;
@@ -325,10 +325,10 @@ lte256_modm_batch(const bignum256modm a, const bignum256modm b, size_t limbsize)
size_t i = 0;
bignum256modm_element_t t, carry = 0;
switch (limbsize) {
- case 4: t = (b[i] - a[i]) ; carry = (t >> 63); i++; /* Falls through. */
- case 3: t = (b[i] - a[i]) - carry; carry = (t >> 63); i++; /* Falls through. */
- case 2: t = (b[i] - a[i]) - carry; carry = (t >> 63); i++; /* Falls through. */
- case 1: t = (b[i] - a[i]) - carry; carry = (t >> 63); i++; /* Falls through. */
+ case 4: t = (b[i] - a[i]) ; carry = (t >> 63); i++; FALLTHROUGH;
+ case 3: t = (b[i] - a[i]) - carry; carry = (t >> 63); i++; FALLTHROUGH;
+ case 2: t = (b[i] - a[i]) - carry; carry = (t >> 63); i++; FALLTHROUGH;
+ case 1: t = (b[i] - a[i]) - carry; carry = (t >> 63); i++; FALLTHROUGH;
case 0: t = (b[i] - a[i]) - carry; carry = (t >> 63);
}
return (int)!carry;
diff --git a/src/feature/client/entrynodes.c b/src/feature/client/entrynodes.c
index 1bfb62538..7c2159ce8 100644
--- a/src/feature/client/entrynodes.c
+++ b/src/feature/client/entrynodes.c
@@ -2263,7 +2263,7 @@ entry_guards_note_guard_success(guard_selection_t *gs,
break;
default:
tor_assert_nonfatal_unreached();
- /* Fall through. */
+ FALLTHROUGH;
case GUARD_CIRC_STATE_USABLE_IF_NO_BETTER_GUARD:
if (guard->is_primary) {
/* XXXX #20832 -- I don't actually like this logic. It seems to make
diff --git a/src/feature/control/control.c b/src/feature/control/control.c
index cc7ecff2f..26ac12d30 100644
--- a/src/feature/control/control.c
+++ b/src/feature/control/control.c
@@ -4934,7 +4934,7 @@ handle_control_add_onion(control_connection_t *conn,
case RSAE_BADAUTH:
connection_printf_to_buf(conn, "512 Invalid client authorization\r\n");
break;
- case RSAE_INTERNAL: /* FALLSTHROUGH */
+ case RSAE_INTERNAL: FALLTHROUGH;
default:
connection_printf_to_buf(conn, "551 Failed to add Onion Service\r\n");
}
diff --git a/src/feature/dirclient/dirclient.c b/src/feature/dirclient/dirclient.c
index 0fd1a4701..6725fc336 100644
--- a/src/feature/dirclient/dirclient.c
+++ b/src/feature/dirclient/dirclient.c
@@ -1369,7 +1369,7 @@ directory_initiate_request,(directory_request_t *request))
case 1:
/* start flushing conn */
conn->base_.state = DIR_CONN_STATE_CLIENT_SENDING;
- /* fall through */
+ FALLTHROUGH;
case 0:
/* queue the command on the outbuf */
directory_send_command(conn, 1, request);
diff --git a/src/feature/dirparse/parsecommon.c b/src/feature/dirparse/parsecommon.c
index e8269f7ec..1664a77bb 100644
--- a/src/feature/dirparse/parsecommon.c
+++ b/src/feature/dirparse/parsecommon.c
@@ -222,7 +222,7 @@ token_check_object(memarea_t *area, const char *kwd,
kwd, crypto_pk_num_bits(tok->key));
RET_ERR(ebuf);
}
- /* fall through */
+ FALLTHROUGH;
case NEED_KEY: /* There must be some kind of key. */
if (!tok->key) {
tor_snprintf(ebuf, sizeof(ebuf), "Missing public key for %s", kwd);
diff --git a/src/feature/relay/dns.c b/src/feature/relay/dns.c
index 38395862c..e20a39482 100644
--- a/src/feature/relay/dns.c
+++ b/src/feature/relay/dns.c
@@ -548,7 +548,7 @@ send_resolved_cell,(edge_connection_t *conn, uint8_t answer_type,
answer_type = RESOLVED_TYPE_ERROR;
/* We let this fall through and treat it as an error. */
}
- /* Falls through. */
+ FALLTHROUGH;
case RESOLVED_TYPE_ERROR_TRANSIENT:
case RESOLVED_TYPE_ERROR:
{
diff --git a/src/feature/rend/rendclient.c b/src/feature/rend/rendclient.c
index 4ca783c7c..cde954da9 100644
--- a/src/feature/rend/rendclient.c
+++ b/src/feature/rend/rendclient.c
@@ -819,7 +819,7 @@ rend_client_report_intro_point_failure(extend_info_t *failed_intro,
log_warn(LD_BUG, "Unknown failure type %u. Removing intro point.",
failure_type);
tor_fragile_assert();
- /* fall through */
+ FALLTHROUGH;
case INTRO_POINT_FAILURE_GENERIC:
rend_cache_intro_failure_note(failure_type,
(uint8_t *)failed_intro->identity_digest,
diff --git a/src/lib/crypt_ops/crypto_digest.c b/src/lib/crypt_ops/crypto_digest.c
index 1b2724b2a..de81b87b7 100644
--- a/src/lib/crypt_ops/crypto_digest.c
+++ b/src/lib/crypt_ops/crypto_digest.c
@@ -50,8 +50,8 @@ digest_alg_to_nss_oid(digest_algorithm_t alg)
case DIGEST_SHA1: return SEC_OID_SHA1;
case DIGEST_SHA256: return SEC_OID_SHA256;
case DIGEST_SHA512: return SEC_OID_SHA512;
- case DIGEST_SHA3_256: /* Fall through */
- case DIGEST_SHA3_512: /* Fall through */
+ case DIGEST_SHA3_256: FALLTHROUGH;
+ case DIGEST_SHA3_512: FALLTHROUGH;
default:
return SEC_OID_UNKNOWN;
}
@@ -98,12 +98,12 @@ static bool
library_supports_digest(digest_algorithm_t alg)
{
switch (alg) {
- case DIGEST_SHA1: /* Fall through */
- case DIGEST_SHA256: /* Fall through */
+ case DIGEST_SHA1: FALLTHROUGH;
+ case DIGEST_SHA256: FALLTHROUGH;
case DIGEST_SHA512:
return true;
- case DIGEST_SHA3_256: /* Fall through */
- case DIGEST_SHA3_512: /* Fall through */
+ case DIGEST_SHA3_256: FALLTHROUGH;
+ case DIGEST_SHA3_512: FALLTHROUGH;
default:
return false;
}
@@ -313,8 +313,8 @@ crypto_digest_alloc_bytes(digest_algorithm_t alg)
STRUCT_FIELD_SIZE(crypto_digest_t, f))
switch (alg) {
#ifdef ENABLE_NSS
- case DIGEST_SHA1: /* Fall through */
- case DIGEST_SHA256: /* Fall through */
+ case DIGEST_SHA1: FALLTHROUGH;
+ case DIGEST_SHA256: FALLTHROUGH;
case DIGEST_SHA512:
return END_OF_FIELD(d.ctx);
#else
@@ -349,8 +349,8 @@ crypto_digest_new_internal(digest_algorithm_t algorithm)
switch (algorithm)
{
#ifdef ENABLE_NSS
- case DIGEST_SHA1: /* fall through */
- case DIGEST_SHA256: /* fall through */
+ case DIGEST_SHA1: FALLTHROUGH;
+ case DIGEST_SHA256: FALLTHROUGH;
case DIGEST_SHA512:
r->d.ctx = PK11_CreateDigestContext(digest_alg_to_nss_oid(algorithm));
if (BUG(!r->d.ctx)) {
@@ -451,8 +451,8 @@ crypto_digest_add_bytes(crypto_digest_t *digest, const char *data,
*/
switch (digest->algorithm) {
#ifdef ENABLE_NSS
- case DIGEST_SHA1: /* fall through */
- case DIGEST_SHA256: /* fall through */
+ case DIGEST_SHA1: FALLTHROUGH;
+ case DIGEST_SHA256: FALLTHROUGH;
case DIGEST_SHA512:
tor_assert(len <= UINT_MAX);
SECStatus s = PK11_DigestOp(digest->d.ctx,
@@ -471,7 +471,7 @@ crypto_digest_add_bytes(crypto_digest_t *digest, const char *data,
SHA512_Update(&digest->d.sha512, (void*)data, len);
break;
#endif
- case DIGEST_SHA3_256: /* FALLSTHROUGH */
+ case DIGEST_SHA3_256: FALLTHROUGH;
case DIGEST_SHA3_512:
keccak_digest_update(&digest->d.sha3, (const uint8_t *)data, len);
break;
@@ -540,7 +540,7 @@ crypto_digest_get_digest(crypto_digest_t *digest,
SHA512_Final(r, &tmpenv.d.sha512);
break;
//LCOV_EXCL_START
- case DIGEST_SHA3_256: /* FALLSTHROUGH */
+ case DIGEST_SHA3_256: FALLTHROUGH;
case DIGEST_SHA3_512:
default:
log_warn(LD_BUG, "Handling unexpected algorithm %d", digest->algorithm);
diff --git a/src/test/test_socks.c b/src/test/test_socks.c
index 783f4726e..3686e1036 100644
--- a/src/test/test_socks.c
+++ b/src/test/test_socks.c
@@ -778,7 +778,7 @@ test_socks_truncated(void *ptr)
for (i = 0; i < ARRAY_LENGTH(commands); ++i) {
for (j = 0; j < commands[i].len; ++j) {
switch (commands[i].setup) {
- default: /* Falls through */
+ default: FALLTHROUGH;
case NONE:
/* This test calls for no setup on the socks state. */
break;
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