clang scan-build: Fix "dead increment" warnings.

For the most part, these indicated a spot where the code could have
been better.
This commit is contained in:
Nick Mathewson 2017-09-12 17:20:09 -04:00
parent 0f58e17313
commit a4847ffa91
4 changed files with 11 additions and 10 deletions

View File

@ -445,7 +445,7 @@ tor_log2(uint64_t u64)
r += 2;
}
if (u64 >= (U64_LITERAL(1)<<1)) {
u64 >>= 1;
// u64 >>= 1; // not using this any more.
r += 1;
}
return r;

View File

@ -3823,7 +3823,6 @@ directory_handle_command_get,(dir_connection_t *conn, const char *headers,
char *url, *url_mem, *header;
time_t if_modified_since = 0;
int zlib_compressed_in_url;
size_t url_len;
unsigned compression_methods_supported;
/* We ignore the body of a GET request. */
@ -3854,12 +3853,13 @@ directory_handle_command_get,(dir_connection_t *conn, const char *headers,
log_debug(LD_DIRSERV,"rewritten url as '%s'.", escaped(url));
url_mem = url;
url_len = strlen(url);
{
size_t url_len = strlen(url);
zlib_compressed_in_url = url_len > 2 && !strcmp(url+url_len-2, ".z");
if (zlib_compressed_in_url) {
url[url_len-2] = '\0';
url_len -= 2;
}
}
if ((header = http_get_header(headers, "Accept-Encoding: "))) {

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@ -2934,7 +2934,7 @@ networkstatus_verify_bw_weights(networkstatus_t *ns, int consensus_method)
}
Wgg /= weight_scale;
Wgm /= weight_scale;
Wgm /= weight_scale; (void) Wgm; // unused from here on.
Wgd /= weight_scale;
Wmg /= weight_scale;
@ -2942,8 +2942,8 @@ networkstatus_verify_bw_weights(networkstatus_t *ns, int consensus_method)
Wme /= weight_scale;
Wmd /= weight_scale;
Weg /= weight_scale;
Wem /= weight_scale;
Weg /= weight_scale; (void) Weg; // unused from here on.
Wem /= weight_scale; (void) Wem; // unused from here on.
Wee /= weight_scale;
Wed /= weight_scale;

View File

@ -90,6 +90,7 @@ test_cert_encoding(void *arg)
pos += b64_cert_len;
tt_int_op(strcmpstart(pos, "-----END ED25519 CERT-----"), OP_EQ, 0);
pos += strlen("-----END ED25519 CERT-----");
tt_str_op(pos, OP_EQ, "");
}
done: