fix resource cleanup in testsuite and wolfcrypt test

src/internal.c

@@ -2577,7 +2577,7 @@ ProtocolVersion MakeDTLSv1_2(void)
 
     word32 LowResTimer(void)
     {
-        NET_SECURE_OS_TICK  clk;
+        NET_SECURE_OS_TICK  clk = 0;
 
         #if (NET_SECURE_MGR_CFG_EN == DEF_ENABLED)
             clk = NetSecure_OS_TimeGet();

testsuite/testsuite.c

@@ -382,6 +382,7 @@ void file_test(const char* file, byte* check)
         ret = wc_Sha256Update(&sha256, buf, i);
         if (ret != 0) {
             printf("Can't wc_Sha256Update %d\n", ret);
+            fclose(f);
             return;
         }
     }
@@ -389,6 +390,7 @@ void file_test(const char* file, byte* check)
     ret = wc_Sha256Final(&sha256, shasum);
     if (ret != 0) {
         printf("Can't wc_Sha256Final %d\n", ret);
+        fclose(f);
         return;
     }
 

wolfcrypt/test/test.c

@@ -4447,6 +4447,7 @@ int rsa_test(void)
             free(derCert);
             free(pem);
             free(tmp);
+            fclose(pemFile);
             wc_FreeRsaKey(&caKey);
             return -415;
         }

wolfssl/test.h

@@ -918,7 +918,7 @@ static INLINE unsigned int my_psk_server_cb(WOLFSSL* ssl, const char* identity,
         sz = ftell(file);
         rewind(file);
         fread(buff, sizeof(buff), 1, file);
-  
+
         if (type == WOLFSSL_CA) {
             if (wolfSSL_CTX_load_verify_buffer(ctx, buff, sz, SSL_FILETYPE_PEM)
                                               != SSL_SUCCESS)
@@ -934,6 +934,7 @@ static INLINE unsigned int my_psk_server_cb(WOLFSSL* ssl, const char* identity,
                         SSL_FILETYPE_PEM) != SSL_SUCCESS)
                 err_sys("can't load buffer key file");
         }
+        fclose(file);
     }
 
 #endif /* NO_FILESYSTEM */