Add preprocessing for decode and reconstruct.

I'll fill-in the details of decode and reconstruct in a
separate commit.

1 files changed, 44 insertions, 0 deletions

diff --git a/include/erasurecode/erasurecode_preprocessing.h b/include/erasurecode/erasurecode_preprocessing.h
new file mode 100644
index 0000000..2820bd0
--- /dev/null
+++ b/include/erasurecode/erasurecode_preprocessing.h
@@ -0,0 +1,44 @@
+/*
+ * <Copyright>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice, this
+ * list of conditions and the following disclaimer in the documentation and/or
+ * other materials provided with the distribution.  THIS SOFTWARE IS PROVIDED BY
+ * THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * liberasurecode API helpers header
+ *
+ * vi: set noai tw=79 ts=4 sw=4:
+ */
+
+#ifndef _ERASURECODE_PREPROCESSING_H_
+#define _ERASURECODE_PREPROCESSING_H_
+
+int get_decoding_info(int k,
+                      int m,
+                      char **data,
+                      char **parity,
+                      int  *missing_idxs,
+                      int  *orig_size,
+                      int  fragment_size,
+                      unsigned long long *realloc_bm);
+
+int get_fragment_partition(int k, int m, char **fragments, int num_fragments, char **data, char **parity, int *missing);
+int fragments_to_string(int k, int m, char **fragments, int num_fragments, char **orig_payload, int *payload_len);
+
+#endif