Add ::seek().

2 files changed, 14 insertions, 0 deletions

diff --git a/src/file.cc b/src/file.cc
index f7c865b2..9ee91fe7 100644
--- a/src/file.cc
+++ b/src/file.cc
@@ -143,6 +143,18 @@ File::take()
 }
 
 
+int
+File::seek(int64_t offset, int whence)
+{
+	DCP_ASSERT(_file);
+#ifdef LIBDCP_WINDOWS
+	return fseeki64(_file, offset, whence);
+#else
+	return fseek(_file, offset, whence);
+#endif
+}
+
+
 /** Windows can't "by default" cope with paths longer than 260 characters, so if you pass such a path to
  *  any boost::filesystem method it will fail.  There is a "fix" for this, which is to prepend
  *  the string \\?\ to the path.  This will make it work, so long as:
diff --git a/src/file.h b/src/file.h
index 7dae44a6..1817dc9c 100644
--- a/src/file.h
+++ b/src/file.h
@@ -63,6 +63,8 @@ public:
 	int eof();
 	/** fgets() wrapper */
 	char *gets(char *s, int size);
+	/** fseek/fseeki64 wrapper */
+	int seek(int64_t offset, int whence);
 
 	void checked_write(void const * ptr, size_t size);
 	void checked_read(void* ptr, size_t size);