Doxygenation

[gdcm.git] / src / gdcmUtil.cxx

diff --git a/src/gdcmUtil.cxx b/src/gdcmUtil.cxx
index d952caf3f9a2c950bcd121dd7469c077a765dbfb..948fd2cc461bbe11a73c1807014395adacb339b1 100644 (file)
--- a/src/gdcmUtil.cxx
+++ b/src/gdcmUtil.cxx
@@ -3,8 +3,8 @@
   Program:   gdcm
   Module:    $RCSfile: gdcmUtil.cxx,v $
   Language:  C++
-  Date:      $Date: 2004/12/03 20:43:37 $
-  Version:   $Revision: 1.68 $
+  Date:      $Date: 2005/01/05 15:19:42 $
+  Version:   $Revision: 1.71 $
                                                                                 
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -27,7 +27,7 @@
 #include <stdarg.h>  //only included in implementation file
 #include <stdio.h>   //only included in implementation file
 
-#if defined _MSC_VER
+#if defined(_MSC_VER)
    #include <winsock.h>  // for gethostname & gethostbyname
    #undef GetCurrentTime
 #else
@@ -94,7 +94,7 @@ int Util::CountSubstring (const std::string& str,
                           const std::string& subStr)
 {
    int count = 0;   // counts how many times it appears
-   unsigned int x = 0;       // The index position in the string
+   std::string::size_type x = 0;       // The index position in the string
 
    do
    {
@@ -290,6 +290,25 @@ bool Util::DicomStringEqual(const std::string& s1, const char *s2)
   return s1_even == s2_even;
 }
 
+
+
+/**
+ * \ingroup Util
+ * \brief   tells us if the processor we are working with is BigEndian or not
+ */
+bool Util::IsCurrentProcessorBigEndian()
+{
+   uint16_t intVal = 1;
+   uint8_t bigEndianRepr[4] = { 0x00, 0x00, 0x00, 0x01 };
+   int res = memcmp(reinterpret_cast<const void*>(&intVal),
+                    reinterpret_cast<const void*>(bigEndianRepr), 4);
+   if (res == 0)
+      return true;
+   else
+      return false;
+}
+
+
 /**
  * \ingroup Util
  * \brief   Return the IP adress of the machine writting the DICOM image
@@ -304,6 +323,19 @@ std::string Util::GetIPAddress()
 #  define HOST_NAME_MAX 255
   // In this case we should maybe check the string was not truncated.
   // But I don't known how to check that...
+#if defined(_MSC_VER) || defined(__BORLANDC__)
+  // with WinSock DLL we need to initialise the WinSock before using gethostname
+  WORD wVersionRequested = MAKEWORD(1,0);
+  WSADATA WSAData;
+  int err = WSAStartup(wVersionRequested,&WSAData);
+  if (err != 0) {
+      /* Tell the user that we could not find a usable */
+      /* WinSock DLL.                                  */
+      WSACleanup();
+      return "127.0.0.1";
+  }
+#endif
+  
 #endif //HOST_NAME_MAX
 
   std::string str;
@@ -325,6 +357,11 @@ std::string Util::GetIPAddress()
             (unsigned int)((unsigned char*)pHost->h_addr_list[i])[j]);
       }
       // str now contains one local IP address 
+
+#if defined(_MSC_VER) || defined(__BORLANDC__)
+  WSACleanup();
+#endif
+  
     }
   }
   // If an error occur r == -1