OS.cpp

// Gmsh - Copyright (C) 1997-2013 C. Geuzaine, J.-F. Remacle
//
// See the LICENSE.txt file for license information. Please report all
// bugs and problems to the public mailing list <gmsh@geuz.org>.

// This file contains a bunch of functions that depend on OS-dependent
// features and/or system calls

// these are available on all OSes
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <signal.h>
#include <time.h>
#include <math.h>
#include "GmshConfig.h"
#include "StringUtils.h"

#if !defined(WIN32) || defined(__CYGWIN__)
#include <unistd.h>
#include <sys/time.h>
#include <sys/resource.h>
#endif

#if defined(WIN32)
#include <windows.h>
#include <process.h>
#include <psapi.h>
#include <io.h>
#include <direct.h>
#include <fcntl.h>
#include <iostream>
#include <fstream>
#endif

#if defined(__APPLE__)
#define RUSAGE_SELF      0
#define RUSAGE_CHILDREN -1
#endif

#include "GmshMessage.h"

#if defined(WIN32) && !defined(__CYGWIN__)

// Unicode utility routines borrowed from FLTK

static unsigned utf8decode(const char* p, const char* end, int* len)
{
  static unsigned short cp1252[32] = {
    0x20ac, 0x0081, 0x201a, 0x0192, 0x201e, 0x2026, 0x2020, 0x2021,
    0x02c6, 0x2030, 0x0160, 0x2039, 0x0152, 0x008d, 0x017d, 0x008f,
    0x0090, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
    0x02dc, 0x2122, 0x0161, 0x203a, 0x0153, 0x009d, 0x017e, 0x0178
  };
  unsigned char c = *(unsigned char*)p;
  if (c < 0x80) {
    if (len) *len = 1;
    return c;
  } else if (c < 0xa0) {
    if (len) *len = 1;
    return cp1252[c-0x80];
  } else if (c < 0xc2) {
    goto FAIL;
  }
  if ( (end && p+1 >= end) || (p[1]&0xc0) != 0x80) goto FAIL;
  if (c < 0xe0) {
    if (len) *len = 2;
    return
      ((p[0] & 0x1f) << 6) +