VBoot Reference: Output debug information using debug() instead of fprintf().

src/platform/vboot_reference/tests/big_kernel_tests.c

 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  *
  * Tests if firmware image library deals with very large firmware. This
  * is a quick and dirty test for detecting integer overflow issues.
  */
 
 #include <stdio.h>
 #include <stdlib.h>
@@ skipping 15 matching lines @@
 const char* kKernelKeyPublicFile = KERNEL_KEY_BASE_NAME ".keyb";
 const char* kKernelKeyFile = KERNEL_KEY_BASE_NAME ".pem";
 
 int BigKernelTest() {
   int error_code = 0;
   uint64_t len;
   uint8_t* kernel_blob = NULL;
   RSAPublicKey* firmware_key = RSAPublicKeyFromFile(kFirmwareKeyPublicFile);
   uint8_t* firmware_key_blob = BufferFromFile(kFirmwareKeyPublicFile, &len);
   uint8_t* kernel_sign_key_buf = BufferFromFile(kKernelKeyPublicFile, &len);
-  fprintf(stderr, "Generating Big KernelImage...");
+  debug("Generating Big KernelImage...");
   KernelImage* image =
       GenerateTestKernelImage(3,  /* RSA2048/SHA1 */
                               0,  /* RSA1024/SHA1 */
                               kernel_sign_key_buf,
                               1,  /* Kernel Key Version. */
                               1,  /* Kernel Version */
                               BIG_KERNEL_SIZE,
                               kFirmwareKeyFile,
                               kKernelKeyFile,
                               'K');  /* Kernel Data Fill. */
   if (!firmware_key || !firmware_key_blob || !kernel_sign_key_buf || !image) {
     error_code = 1;
     goto cleanup;
   }
-  fprintf(stderr, "Done.\n");
+  debug("Done.\n");
   TEST_EQ(VerifyKernelImage(firmware_key, image, 0),
           VERIFY_FIRMWARE_SUCCESS,
           "Big KernelImage Verification");
   kernel_blob = GetKernelBlob(image, &len);
   TEST_EQ(VerifyKernel(firmware_key_blob, kernel_blob, 0),
           VERIFY_FIRMWARE_SUCCESS,
           "Big Kernel Blob Verification");
 
 cleanup:
   Free(kernel_blob);
   KernelImageFree(image);
   Free(kernel_sign_key_buf);
   Free(firmware_key_blob);
   RSAPublicKeyFree(firmware_key);
   return error_code;
 }
 
 int main(int argc, char* argv[1])
 {
   int error_code = 0;
   error_code = BigKernelTest();
   if (!gTestSuccess)
     error_code = 255;
   return error_code;
 }