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wincng.c: explicitly ignore BCrypt*AlgorithmProvider return codes

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Fixes VS2012 code analysis warning C6031:
return value ignored: <function> could return unexpected value
This commit is contained in:
Marc Hoersken 2014-12-15 00:45:51 +01:00
parent f31c9fb221
commit c0bface8a7
1 changed files with 29 additions and 29 deletions
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58
src/wincng.c
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@ -199,25 +199,25 @@ _libssh2_wincng_init(void)
{
int ret;
BCryptOpenAlgorithmProvider(&_libssh2_wincng.hAlgRNG,
BCRYPT_RNG_ALGORITHM, NULL, 0);
(void)BCryptOpenAlgorithmProvider(&_libssh2_wincng.hAlgRNG,
BCRYPT_RNG_ALGORITHM, NULL, 0);
BCryptOpenAlgorithmProvider(&_libssh2_wincng.hAlgHashMD5,
BCRYPT_MD5_ALGORITHM, NULL, 0);
BCryptOpenAlgorithmProvider(&_libssh2_wincng.hAlgHashSHA1,
BCRYPT_SHA1_ALGORITHM, NULL, 0);
(void)BCryptOpenAlgorithmProvider(&_libssh2_wincng.hAlgHashMD5,
BCRYPT_MD5_ALGORITHM, NULL, 0);
(void)BCryptOpenAlgorithmProvider(&_libssh2_wincng.hAlgHashSHA1,
BCRYPT_SHA1_ALGORITHM, NULL, 0);
BCryptOpenAlgorithmProvider(&_libssh2_wincng.hAlgHmacMD5,
BCRYPT_MD5_ALGORITHM, NULL,
BCRYPT_ALG_HANDLE_HMAC_FLAG);
BCryptOpenAlgorithmProvider(&_libssh2_wincng.hAlgHmacSHA1,
BCRYPT_SHA1_ALGORITHM, NULL,
BCRYPT_ALG_HANDLE_HMAC_FLAG);
(void)BCryptOpenAlgorithmProvider(&_libssh2_wincng.hAlgHmacMD5,
BCRYPT_MD5_ALGORITHM, NULL,
BCRYPT_ALG_HANDLE_HMAC_FLAG);
(void)BCryptOpenAlgorithmProvider(&_libssh2_wincng.hAlgHmacSHA1,
BCRYPT_SHA1_ALGORITHM, NULL,
BCRYPT_ALG_HANDLE_HMAC_FLAG);
BCryptOpenAlgorithmProvider(&_libssh2_wincng.hAlgRSA,
BCRYPT_RSA_ALGORITHM, NULL, 0);
BCryptOpenAlgorithmProvider(&_libssh2_wincng.hAlgDSA,
BCRYPT_DSA_ALGORITHM, NULL, 0);
(void)BCryptOpenAlgorithmProvider(&_libssh2_wincng.hAlgRSA,
BCRYPT_RSA_ALGORITHM, NULL, 0);
(void)BCryptOpenAlgorithmProvider(&_libssh2_wincng.hAlgDSA,
BCRYPT_DSA_ALGORITHM, NULL, 0);
ret = BCryptOpenAlgorithmProvider(&_libssh2_wincng.hAlgAES_CBC,
BCRYPT_AES_ALGORITHM, NULL, 0);
@ -226,7 +226,7 @@ _libssh2_wincng_init(void)
(PBYTE)BCRYPT_CHAIN_MODE_CBC,
sizeof(BCRYPT_CHAIN_MODE_CBC), 0);
if (!BCRYPT_SUCCESS(ret)) {
BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgAES_CBC, 0);
(void)BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgAES_CBC, 0);
}
}
@ -237,7 +237,7 @@ _libssh2_wincng_init(void)
(PBYTE)BCRYPT_CHAIN_MODE_NA,
sizeof(BCRYPT_CHAIN_MODE_NA), 0);
if (!BCRYPT_SUCCESS(ret)) {
BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgRC4_NA, 0);
(void)BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgRC4_NA, 0);
}
}
@ -248,7 +248,7 @@ _libssh2_wincng_init(void)
(PBYTE)BCRYPT_CHAIN_MODE_CBC,
sizeof(BCRYPT_CHAIN_MODE_CBC), 0);
if (!BCRYPT_SUCCESS(ret)) {
BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlg3DES_CBC, 0);
(void)BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlg3DES_CBC, 0);
}
}
}
@ -256,16 +256,16 @@ _libssh2_wincng_init(void)
void
_libssh2_wincng_free(void)
{
BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgRNG, 0);
BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgHashMD5, 0);
BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgHashSHA1, 0);
BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgHmacMD5, 0);
BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgHmacSHA1, 0);
BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgRSA, 0);
BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgDSA, 0);
BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgAES_CBC, 0);
BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgRC4_NA, 0);
BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlg3DES_CBC, 0);
(void)BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgRNG, 0);
(void)BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgHashMD5, 0);
(void)BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgHashSHA1, 0);
(void)BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgHmacMD5, 0);
(void)BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgHmacSHA1, 0);
(void)BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgRSA, 0);
(void)BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgDSA, 0);
(void)BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgAES_CBC, 0);
(void)BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlgRC4_NA, 0);
(void)BCryptCloseAlgorithmProvider(_libssh2_wincng.hAlg3DES_CBC, 0);
memset(&_libssh2_wincng, 0, sizeof(_libssh2_wincng));
}