/usr/include/suitesparse/cholmod_io64.h is in libsuitesparse-dev 1:5.1.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | /* ========================================================================== */
/* === Include/cholmod_io64 ================================================= */
/* ========================================================================== */
/* -----------------------------------------------------------------------------
* CHOLMOD/Include/cholmod_io64.h.
* Copyright (C) 2005-2006, Univ. of Florida. Author: Timothy A. Davis
* -------------------------------------------------------------------------- */
/* Definitions required for large file I/O, which must come before any other
* #includes. These are not used if -DNLARGEFILE is defined at compile time.
* Large file support may not be portable across all platforms and compilers;
* if you encounter an error here, compile your code with -DNLARGEFILE. In
* particular, you must use -DNLARGEFILE for MATLAB 6.5 or earlier (which does
* not have the io64.h include file).
*/
#ifndef CHOLMOD_IO_H
#define CHOLMOD_IO_H
/* skip all of this if NLARGEFILE is defined at the compiler command line */
#ifndef NLARGEFILE
#if defined(MATLAB_MEX_FILE) || defined(MATHWORKS)
/* CHOLMOD is being compiled as a MATLAB mexFunction, or for use in MATLAB */
#include "io64.h"
#else
/* CHOLMOD is being compiled in a stand-alone library */
#undef _LARGEFILE64_SOURCE
#define _LARGEFILE64_SOURCE
#undef _FILE_OFFSET_BITS
#define _FILE_OFFSET_BITS 64
#endif
#endif
#endif
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