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Fix coverity 1516095 deadcode 

Unless multiple compression algorithms are configured, test 3 is
not run, so anything looking at `test == 3` is considered dead code.

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19440)
This commit is contained in:
Todd Short 2022-10-19 10:22:29 -04:00 committed by Pauli
parent d06d5d6b68
commit dc45bfb4b4
1 changed files with 7 additions and 1 deletions
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8
test/cert_comp_test.c
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@ -148,7 +148,11 @@ static int test_ssl_cert_comp(int test)
if (expected_client == TLSEXT_comp_cert_none)
expected_client = TLSEXT_comp_cert_zstd;
#endif
/* if there's only one comp algorithm, pref won't do much */
/*
* If there's only one comp algorithm, pref won't do much
* Coverity can get confused in this case, and consider test == 3
* to be DEADCODE
*/
if (test == 3 && expected_client == expected_server) {
TEST_info("Only one compression algorithm configured");
return 1;
@ -160,6 +164,7 @@ static int test_ssl_cert_comp(int test)
&sctx, &cctx, cert, privkey)))
goto end;
if (test == 3) {
/* coverity[deadcode] */
server_pref[0] = expected_server;
server_pref[1] = expected_client;
if (!TEST_true(SSL_CTX_set1_cert_comp_preference(sctx, server_pref, 2)))
@ -203,6 +208,7 @@ static int test_ssl_cert_comp(int test)
if (!TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE)))
goto end;
if (test == 3) {
/* coverity[deadcode] */
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(serverssl);
/* expect that the pre-compressed cert won't be used */