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diff -Naur a/simulator/src/simulatorlb.c b/simulator/src/simulatorlb.c
--- a/simulator/src/simulatorlb.c 2009-07-28 15:31:16.000000000 +0100
+++ b/simulator/src/simulatorlb.c 2023-09-16 13:52:16.111512487 +0100
@@ -2,7 +2,7 @@
* This file is copyright ©2009 Corvus Corax
* Distributed under the terms of the GPL version 2 or higher
*/
-#define _FILE_OFFSET_BITS 64
+#define _LARGEFILE64_SOURCE
#include <config.h>
#ifdef USE_GNU_SOURCE
@@ -531,3 +531,9 @@
}
return realread(fd,buf,count);
}
+
+// copy_file_range() may be used instead so force failure to fall back to read().
+ssize_t copy_file_range(int fd_in, off_t off_in, int fd_out, off_t off_out, size_t len, unsigned int flags) {
+ errno = EXDEV;
+ return -1;
+}
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