[geodb] Adding sparkey dependency

src/sparkey/buf.h

@@ -0,0 +1,48 @@
+/*
+* Copyright (c) 2012-2013 Spotify AB
+*
+* Licensed under the Apache License, Version 2.0 (the "License"); you may not
+* use this file except in compliance with the License. You may obtain a copy of
+* the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+* License for the specific language governing permissions and limitations under
+* the License.
+*/
+#ifndef BUF_H_INCLUDED
+#define BUF_H_INCLUDED
+
+#include <stddef.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include "util.h"
+#include "endiantools.h"
+
+typedef struct {
+  uint8_t *start;
+  uint8_t *cur;
+  uint8_t *end;
+} sparkey_buf;
+
+sparkey_returncode buf_init(sparkey_buf *buf, ptrdiff_t size);
+
+void buf_close(sparkey_buf *buf);
+
+uint64_t buf_size(sparkey_buf *buf);
+
+uint64_t buf_remaining(sparkey_buf *buf);
+
+uint64_t buf_used(sparkey_buf *buf);
+
+sparkey_returncode buf_flushfile(sparkey_buf *buf, int fd);
+
+sparkey_returncode buf_add(sparkey_buf *buf, int fd, const uint8_t *data, ptrdiff_t len);
+
+#endif
+