1 files changed, 13 insertions, 0 deletions
diff --git a/src/lib/file-set-size.h b/src/lib/file-set-size.h
new file mode 100644
index 0000000..6752d32
--- /dev/null
+++ b/src/lib/file-set-size.h
@@ -0,0 +1,13 @@
+#ifndef FILE_SET_SIZE_H
+#define FILE_SET_SIZE_H
+
+/* Shrink/grow file. If file is grown, the new data is guaranteed to
+   be zeros. The file offset may be anywhere after this call.
+   Returns -1 if failed, 0 if successful. */
+int file_set_size(int fd, off_t size);
+/* Preallocate file to given size, without actually changing the size
+   reported by stat(). Returns 1 if ok, 0 if not supported by this filesystem,
+   -1 if error. */
+int file_preallocate(int fd, off_t size);
+
+#endif