Remove unecessary void castings

Author: aveenismail

common/util.c

@@ -440,7 +440,7 @@ bool read_public_key(uint8_t *buf, size_t len, yh_algorithm *algo,
     return false;
   }
 
-  (void) i2o_ECPublicKey(ec, &bytes);
+  i2o_ECPublicKey(ec, &bytes);
   EC_KEY_free(ec);
 
   *bytes_len = data_len;

examples/ssh.c

@@ -280,7 +280,7 @@ int main(void) {
   bio = BIO_push(b64, bio);
 
   fprintf(stdout, "ssh-rsa-cert-v01@openssh.com ");
-  (void) BIO_set_flags(bio, BIO_FLAGS_BASE64_NO_NL);
+  BIO_set_flags(bio, BIO_FLAGS_BASE64_NO_NL);
   assert(BIO_write(bio, ssh_req + 4 + 256,
                    ssh_req_len + ssh_cert_len - 4 - 256) > 0);
   assert(BIO_flush(bio) == 1);

lib/yubihsm.c

@@ -4666,7 +4666,7 @@ yh_rc yh_init(void) {
 static yh_rc load_backend(const char *name,
                           void **backend,
                           struct backend_functions **bf) {
-  (void)backend;
+  UNUSED(backend);
   if (name == NULL) {
     DBG_ERR("No name given to load_backend");
     return YHR_GENERIC_ERROR;

lib/yubihsm_usb.c

@@ -28,6 +28,8 @@
 #include "yubihsm_usb.h"
 #include "debug_lib.h"
 
+#define UNUSED(x) (void) (x)
+
 #ifndef STATIC
 uint8_t YH_INTERNAL _yh_verbosity;
 FILE YH_INTERNAL *_yh_output;
@@ -51,7 +53,7 @@ static yh_rc backend_connect(yh_connector *connector, int timeout) {
   yh_rc ret = YHR_CONNECTOR_ERROR;
   yh_backend *backend = NULL;
 
-  (void) timeout;
+  UNUSED(timeout);
 
   if (parse_usb_url(connector->api_url, &serial) == false) {
     DBG_ERR("Failed to parse URL: '%s'", connector->api_url);
@@ -82,7 +84,7 @@ static yh_rc backend_send_msg(yh_backend *connection, Msg *msg, Msg *response,
   yh_rc ret = YHR_GENERIC_ERROR;
   unsigned long read_len = 0;
 
-  (void) identifier;
+  UNUSED(identifier);
 
   for (int i = 0; i <= 1; i++) {
     if (ret != YHR_GENERIC_ERROR) {
@@ -131,9 +133,9 @@ static void backend_cleanup(void) { DBG_INFO("backend_cleanup"); }
 
 static yh_rc backend_option(yh_backend *connection, yh_connector_option opt,
                             const void *val) {
-  (void) connection;
-  (void) opt;
-  (void) val;
+  UNUSED(connection);
+  UNUSED(opt);
+  UNUSED(val);
 
   DBG_ERR("Backend options not (yet?) supported for USB");
   return YHR_CONNECTOR_ERROR;

lib/yubihsm_winhttp.c

@@ -297,9 +297,9 @@ static yh_rc backend_send_msg(yh_backend *backend, Msg *msg, Msg *response,
 
 static yh_rc backend_option(yh_backend *connection, yh_connector_option opt,
                             const void *val) {
-  (void) connection;
-  (void) opt;
-  (void) val;
+  UNUSED(connection);
+  UNUSED(opt);
+  UNUSED(val);
 
   DBG_ERR("Backend options not (yet?) supported with winhttp");
   return YHR_CONNECTOR_ERROR;

pkcs11/util_pkcs11.c

@@ -3813,7 +3813,7 @@ void verify_mechanism_cleanup(yubihsm_pkcs11_op_info *op_info) {
 
 void decrypt_mechanism_cleanup(yubihsm_pkcs11_op_info *op_info) {
 
-  (void) op_info;
+  UNUSED(op_info);
 }
 
 void digest_mechanism_cleanup(yubihsm_pkcs11_op_info *op_info) {

src/commands.c

@@ -273,7 +273,7 @@ int yh_com_connect(yubihsm_context *ctx, Argument *argv, cmd_format in_fmt,
     }
     yrc = yh_connect(ctx->connector, 0);
     if (yrc == YHR_SUCCESS) {
-      (void) yh_com_keepalive_on(NULL, NULL, fmt_nofmt, fmt_nofmt);
+      yh_com_keepalive_on(NULL, NULL, fmt_nofmt, fmt_nofmt);
       return 0;
     }
     fprintf(stderr, "Failed connecting '%s': %s\n", ctx->connector_list[i],
@@ -1164,15 +1164,15 @@ int yh_com_get_pubkey(yubihsm_context *ctx, Argument *argv, cmd_format in_fmt,
 
     bio = BIO_push(b64, bio);
 
-    (void) i2d_PUBKEY_bio(bio, public_key);
+    i2d_PUBKEY_bio(bio, public_key);
 
     if (BIO_flush(bio) != 1) {
       fprintf(stderr, "Unable to flush BIO\n");
       error = true;
       goto getpk_base64_cleanup;
     }
   getpk_base64_cleanup:
-    (void) BIO_free_all(b64);
+    BIO_free_all(b64);
     if (error) {
       EVP_PKEY_free(public_key);
       return -1;
@@ -1261,15 +1261,15 @@ int yh_com_get_device_pubkey(yubihsm_context *ctx, Argument *argv,
 
     bio = BIO_push(b64, bio);
 
-    (void) i2d_PUBKEY_bio(bio, public_key);
+    i2d_PUBKEY_bio(bio, public_key);
 
     if (BIO_flush(bio) != 1) {
       fprintf(stderr, "Unable to flush BIO\n");
       BIO_free_all(b64);
       error = true;
       goto getdpk_base64_cleanup;
     }
-    (void) BIO_free_all(bio);
+    BIO_free_all(bio);
   getdpk_base64_cleanup:
     if (error) {
       EVP_PKEY_free(public_key);
@@ -3190,7 +3190,7 @@ int yh_com_sign_ssh_certificate(yubihsm_context *ctx, Argument *argv,
   }
 
 clean_bio:
-  (void) BIO_free_all(bio);
+  BIO_free_all(bio);
 
   return ret;
 }