1 files changed, 1 insertions, 188 deletions

diff --git a/src/util/crypto_hash.c b/src/util/crypto_hash.c
index 64f55e14c..9456e343b 100644
--- a/src/util/crypto_hash.c
+++ b/src/util/crypto_hash.c
@@ -21,7 +21,7 @@
 
 /**
  * @file util/crypto_hash.c
- * @brief SHA-512 GNUNET_CRYPTO_hash related functions
+ * @brief SHA-512 #GNUNET_CRYPTO_hash() related functions
  * @author Christian Grothoff
  */
 
@@ -49,193 +49,6 @@ GNUNET_CRYPTO_hash (const void *block,
 }
 
 
-/**
- * Context used when hashing a file.
- */
-struct GNUNET_CRYPTO_FileHashContext
-{
-
-  /**
-   * Function to call upon completion.
-   */
-  GNUNET_CRYPTO_HashCompletedCallback callback;
-
-  /**
-   * Closure for callback.
-   */
-  void *callback_cls;
-
-  /**
-   * IO buffer.
-   */
-  unsigned char *buffer;
-
-  /**
-   * Name of the file we are hashing.
-   */
-  char *filename;
-
-  /**
-   * File descriptor.
-   */
-  struct GNUNET_DISK_FileHandle *fh;
-
-  /**
-   * Cummulated hash.
-   */
-  gcry_md_hd_t md;
-
-  /**
-   * Size of the file.
-   */
-  uint64_t fsize;
-
-  /**
-   * Current offset.
-   */
-  uint64_t offset;
-
-  /**
-   * Current task for hashing.
-   */
-  struct GNUNET_SCHEDULER_Task * task;
-
-  /**
-   * Priority we use.
-   */
-  enum GNUNET_SCHEDULER_Priority priority;
-
-  /**
-   * Blocksize.
-   */
-  size_t bsize;
-
-};
-
-
-/**
- * Report result of hash computation to callback
- * and free associated resources.
- */
-static void
-file_hash_finish (struct GNUNET_CRYPTO_FileHashContext *fhc,
-                  const struct GNUNET_HashCode * res)
-{
-  fhc->callback (fhc->callback_cls, res);
-  GNUNET_free (fhc->filename);
-  if (!GNUNET_DISK_handle_invalid (fhc->fh))
-    GNUNET_break (GNUNET_OK == GNUNET_DISK_file_close (fhc->fh));
-  gcry_md_close (fhc->md);
-  GNUNET_free (fhc);            /* also frees fhc->buffer */
-}
-
-
-/**
- * File hashing task.
- *
- * @param cls closure
- * @param tc context
- */
-static void
-file_hash_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
-  struct GNUNET_CRYPTO_FileHashContext *fhc = cls;
-  struct GNUNET_HashCode *res;
-  size_t delta;
-
-  fhc->task = NULL;
-  GNUNET_assert (fhc->offset <= fhc->fsize);
-  delta = fhc->bsize;
-  if (fhc->fsize - fhc->offset < delta)
-    delta = fhc->fsize - fhc->offset;
-  if (delta != GNUNET_DISK_file_read (fhc->fh, fhc->buffer, delta))
-  {
-    LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING, "read", fhc->filename);
-    file_hash_finish (fhc, NULL);
-    return;
-  }
-  gcry_md_write (fhc->md, fhc->buffer, delta);
-  fhc->offset += delta;
-  if (fhc->offset == fhc->fsize)
-  {
-    res = (struct GNUNET_HashCode *) gcry_md_read (fhc->md, GCRY_MD_SHA512);
-    file_hash_finish (fhc, res);
-    return;
-  }
-  fhc->task = GNUNET_SCHEDULER_add_with_priority (fhc->priority,
-                                                  &file_hash_task, fhc);
-}
-
-
-/**
- * Compute the hash of an entire file.
- *
- * @param priority scheduling priority to use
- * @param filename name of file to hash
- * @param blocksize number of bytes to process in one task
- * @param callback function to call upon completion
- * @param callback_cls closure for callback
- * @return NULL on (immediate) errror
- */
-struct GNUNET_CRYPTO_FileHashContext *
-GNUNET_CRYPTO_hash_file (enum GNUNET_SCHEDULER_Priority priority,
-                         const char *filename, size_t blocksize,
-                         GNUNET_CRYPTO_HashCompletedCallback callback,
-                         void *callback_cls)
-{
-  struct GNUNET_CRYPTO_FileHashContext *fhc;
-
-  GNUNET_assert (blocksize > 0);
-  fhc =
-      GNUNET_malloc (sizeof (struct GNUNET_CRYPTO_FileHashContext) + blocksize);
-  fhc->callback = callback;
-  fhc->callback_cls = callback_cls;
-  fhc->buffer = (unsigned char *) &fhc[1];
-  fhc->filename = GNUNET_strdup (filename);
-  if (GPG_ERR_NO_ERROR != gcry_md_open (&fhc->md, GCRY_MD_SHA512, 0))
-  {
-    GNUNET_break (0);
-    GNUNET_free (fhc);
-    return NULL;
-  }
-  fhc->bsize = blocksize;
-  if (GNUNET_OK != GNUNET_DISK_file_size (filename, &fhc->fsize, GNUNET_NO, GNUNET_YES))
-  {
-    GNUNET_free (fhc->filename);
-    GNUNET_free (fhc);
-    return NULL;
-  }
-  fhc->fh =
-      GNUNET_DISK_file_open (filename, GNUNET_DISK_OPEN_READ,
-                             GNUNET_DISK_PERM_NONE);
-  if (!fhc->fh)
-  {
-    GNUNET_free (fhc->filename);
-    GNUNET_free (fhc);
-    return NULL;
-  }
-  fhc->priority = priority;
-  fhc->task =
-      GNUNET_SCHEDULER_add_with_priority (priority, &file_hash_task, fhc);
-  return fhc;
-}
-
-
-/**
- * Cancel a file hashing operation.
- *
- * @param fhc operation to cancel (callback must not yet have been invoked)
- */
-void
-GNUNET_CRYPTO_hash_file_cancel (struct GNUNET_CRYPTO_FileHashContext *fhc)
-{
-  GNUNET_SCHEDULER_cancel (fhc->task);
-  GNUNET_free (fhc->filename);
-  GNUNET_break (GNUNET_OK == GNUNET_DISK_file_close (fhc->fh));
-  GNUNET_free (fhc);
-}
-
-
 /* ***************** binary-ASCII encoding *************** */