1 files changed, 71 insertions, 0 deletions
diff --git a/src/spdk/lib/util/file.c b/src/spdk/lib/util/file.c
new file mode 100644
index 000000000..2ba08547b
--- /dev/null
+++ b/src/spdk/lib/util/file.c
@@ -0,0 +1,71 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright (c) Intel Corporation.
+ *   All rights reserved.
+ *
+ *   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.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   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
+ *   OWNER 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.
+ */
+
+#include "spdk/file.h"
+
+void *
+spdk_posix_file_load(FILE *file, size_t *size)
+{
+	void *newbuf, *buf = NULL;
+	size_t rc, buf_size, cur_size = 0;
+
+	*size = 0;
+	buf_size = 128 * 1024;
+
+	while (buf_size <= 1024 * 1024 * 1024) {
+		newbuf = realloc(buf, buf_size);
+		if (newbuf == NULL) {
+			free(buf);
+			return NULL;
+		}
+		buf = newbuf;
+
+		rc = fread(buf + cur_size, 1, buf_size - cur_size, file);
+		cur_size += rc;
+
+		if (feof(file)) {
+			*size = cur_size;
+			return buf;
+		}
+
+		if (ferror(file)) {
+			free(buf);
+			return NULL;
+		}
+
+		buf_size *= 2;
+	}
+
+	free(buf);
+	return NULL;
+}