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Fix GCC 7 -Wimplicit-fallthrough warnings
Add magic comments recognized by default -Wimplicit-fallthrough=3 or break, as required.
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@ -122,13 +122,13 @@ uint64_t siphash24(const void *src, unsigned long src_sz, const struct sipkey *k
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}
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switch (src_sz - blocks) {
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case 7: last7 |= (uint64_t)m[i + 6] << 48;
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case 6: last7 |= (uint64_t)m[i + 5] << 40;
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case 5: last7 |= (uint64_t)m[i + 4] << 32;
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case 4: last7 |= (uint64_t)m[i + 3] << 24;
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case 3: last7 |= (uint64_t)m[i + 2] << 16;
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case 2: last7 |= (uint64_t)m[i + 1] << 8;
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case 1: last7 |= (uint64_t)m[i + 0] ;
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case 7: last7 |= (uint64_t)m[i + 6] << 48; /* Falls through. */
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case 6: last7 |= (uint64_t)m[i + 5] << 40; /* Falls through. */
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case 5: last7 |= (uint64_t)m[i + 4] << 32; /* Falls through. */
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case 4: last7 |= (uint64_t)m[i + 3] << 24; /* Falls through. */
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case 3: last7 |= (uint64_t)m[i + 2] << 16; /* Falls through. */
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case 2: last7 |= (uint64_t)m[i + 1] << 8; /* Falls through. */
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case 1: last7 |= (uint64_t)m[i + 0] ; /* Falls through. */
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case 0:
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default:;
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}
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@ -294,10 +294,10 @@ sub256_modm_batch(bignum256modm out, const bignum256modm a, const bignum256modm
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size_t i = 0;
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bignum256modm_element_t carry = 0;
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switch (limbsize) {
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case 4: out[i] = (a[i] - b[i]) ; carry = (out[i] >> 63); out[i] &= 0xffffffffffffff; i++;
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case 3: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 63); out[i] &= 0xffffffffffffff; i++;
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case 2: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 63); out[i] &= 0xffffffffffffff; i++;
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case 1: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 63); out[i] &= 0xffffffffffffff; i++;
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case 4: out[i] = (a[i] - b[i]) ; carry = (out[i] >> 63); out[i] &= 0xffffffffffffff; i++; /* Falls through. */
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case 3: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 63); out[i] &= 0xffffffffffffff; i++; /* Falls through. */
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case 2: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 63); out[i] &= 0xffffffffffffff; i++; /* Falls through. */
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case 1: out[i] = (a[i] - b[i]) - carry; carry = (out[i] >> 63); out[i] &= 0xffffffffffffff; i++; /* Falls through. */
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case 0:
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default: out[i] = (a[i] - b[i]) - carry;
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}
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@ -310,10 +310,10 @@ lt256_modm_batch(const bignum256modm a, const bignum256modm b, size_t limbsize)
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size_t i = 0;
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bignum256modm_element_t t, carry = 0;
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switch (limbsize) {
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case 4: t = (a[i] - b[i]) ; carry = (t >> 63); i++;
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case 3: t = (a[i] - b[i]) - carry; carry = (t >> 63); i++;
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case 2: t = (a[i] - b[i]) - carry; carry = (t >> 63); i++;
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case 1: t = (a[i] - b[i]) - carry; carry = (t >> 63); i++;
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case 4: t = (a[i] - b[i]) ; carry = (t >> 63); i++; /* Falls through. */
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case 3: t = (a[i] - b[i]) - carry; carry = (t >> 63); i++; /* Falls through. */
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case 2: t = (a[i] - b[i]) - carry; carry = (t >> 63); i++; /* Falls through. */
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case 1: t = (a[i] - b[i]) - carry; carry = (t >> 63); i++; /* Falls through. */
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case 0: t = (a[i] - b[i]) - carry; carry = (t >> 63);
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}
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return (int)carry;
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@ -325,10 +325,10 @@ lte256_modm_batch(const bignum256modm a, const bignum256modm b, size_t limbsize)
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size_t i = 0;
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bignum256modm_element_t t, carry = 0;
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switch (limbsize) {
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case 4: t = (b[i] - a[i]) ; carry = (t >> 63); i++;
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case 3: t = (b[i] - a[i]) - carry; carry = (t >> 63); i++;
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case 2: t = (b[i] - a[i]) - carry; carry = (t >> 63); i++;
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case 1: t = (b[i] - a[i]) - carry; carry = (t >> 63); i++;
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case 4: t = (b[i] - a[i]) ; carry = (t >> 63); i++; /* Falls through. */
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case 3: t = (b[i] - a[i]) - carry; carry = (t >> 63); i++; /* Falls through. */
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case 2: t = (b[i] - a[i]) - carry; carry = (t >> 63); i++; /* Falls through. */
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case 1: t = (b[i] - a[i]) - carry; carry = (t >> 63); i++; /* Falls through. */
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case 0: t = (b[i] - a[i]) - carry; carry = (t >> 63);
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}
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return (int)!carry;
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@ -1595,6 +1595,7 @@ parse_socks(const char *data, size_t datalen, socks_request_t *req,
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return -1;
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}
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tor_assert(0);
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break;
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case 4: { /* socks4 */
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enum {socks4, socks4a} socks4_prot = socks4a;
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const char *authstart, *authend;
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@ -260,6 +260,7 @@ connection_edge_process_inbuf(edge_connection_t *conn, int package_partial)
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}
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/* Fall through if the connection is on a circuit without optimistic
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* data support. */
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/* Falls through. */
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case EXIT_CONN_STATE_CONNECTING:
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case AP_CONN_STATE_RENDDESC_WAIT:
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case AP_CONN_STATE_CIRCUIT_WAIT:
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@ -522,6 +522,7 @@ send_resolved_cell,(edge_connection_t *conn, uint8_t answer_type,
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answer_type = RESOLVED_TYPE_ERROR;
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/* fall through. */
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}
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/* Falls through. */
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case RESOLVED_TYPE_ERROR_TRANSIENT:
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case RESOLVED_TYPE_ERROR:
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{
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@ -859,6 +859,7 @@ connection_ap_process_end_not_open(
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break; /* break means it'll close, below */
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/* Else fall through: expire this circuit, clear the
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* chosen_exit_name field, and try again. */
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/* Falls through. */
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case END_STREAM_REASON_RESOLVEFAILED:
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case END_STREAM_REASON_TIMEOUT:
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case END_STREAM_REASON_MISC:
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