1 /*
   2  * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #ifndef PLATFORM_DEFS_H
  27 #define PLATFORM_DEFS_H
  28 
  29 #include <errno.h>
  30 #include <unistd.h>
  31 #include <sys/stat.h>
  32 #include <dlfcn.h>
  33 #include <libgen.h>
  34 #include <string>
  35 
  36 using namespace std;
  37 
  38 #ifndef MAC
  39 #define MAC
  40 #endif
  41 
  42 #define _T(x) x
  43 
  44 typedef char TCHAR;
  45 typedef std::string TString;
  46 #define StringLength strlen
  47 
  48 typedef unsigned long DWORD;
  49 
  50 #define TRAILING_PATHSEPARATOR '/'
  51 #define BAD_TRAILING_PATHSEPARATOR '\\'
  52 #define PATH_SEPARATOR ':'
  53 #define BAD_PATH_SEPARATOR ';'
  54 #define MAX_PATH 1000
  55 
  56 typedef long TPlatformNumber;
  57 typedef pid_t TProcessID;
  58 
  59 #define HMODULE void*
  60 
  61 typedef void* Module;
  62 typedef void* Procedure;
  63 
  64 
  65 // StringToFileSystemString is a stack object. It's usage is
  66 // simply inline to convert a
  67 // TString to a file system string. Example:
  68 //
  69 // return dlopen(StringToFileSystemString(FileName), RTLD_LAZY);
  70 //
  71 class StringToFileSystemString {
  72     // Prohibit Heap-Based StringToFileSystemString
  73 private:
  74     static void *operator new(size_t size);
  75     static void operator delete(void *ptr);
  76 
  77 private:
  78     TCHAR* FData;
  79     bool FRelease;
  80 
  81 public:
  82     StringToFileSystemString(const TString &value);
  83     ~StringToFileSystemString();
  84 
  85     operator TCHAR* ();
  86 };
  87 
  88 
  89 // FileSystemStringToString is a stack object. It's usage is
  90 // simply inline to convert a
  91 // file system string to a TString. Example:
  92 //
  93 // DynamicBuffer<TCHAR> buffer(MAX_PATH);
  94 // if (readlink("/proc/self/exe", buffer.GetData(), MAX_PATH) != -1)
  95 //    result = FileSystemStringToString(buffer.GetData());
  96 //
  97 class FileSystemStringToString {
  98     // Prohibit Heap-Based FileSystemStringToString
  99 private:
 100     static void *operator new(size_t size);
 101     static void operator delete(void *ptr);
 102 
 103 private:
 104     TString FData;
 105 
 106 public:
 107     FileSystemStringToString(const TCHAR* value);
 108 
 109     operator TString ();
 110 };
 111 
 112 #endif // PLATFORM_DEFS_H