]> git.saurik.com Git - wxWidgets.git/blobdiff - src/os2/utils.cpp
Use t_str() instead of c_str()
[wxWidgets.git] / src / os2 / utils.cpp
index cf0cbc1bedfcf4b4f9f9e8c82460960da0b20099..14d2c6b3e19d13da73d22591ecb62aea4485490f 100644 (file)
@@ -21,6 +21,7 @@
 
 #include "wx/os2/private.h"
 #include "wx/apptrait.h"
+#include "wx/filename.h"
 
 #include <ctype.h>
 #ifdef __EMX__
@@ -82,7 +83,8 @@ bool wxGetHostName( wxChar* zBuf, int nMaxSize )
     wxChar*        zSysname;
     const wxChar*  zDefaultHost = _T("noname");
 
-    if ((zSysname = wxGetenv(_T("SYSTEM_NAME"))) == NULL)
+    if ((zSysname = wxGetenv(_T("SYSTEM_NAME"))) == NULL &&
+       (zSysname = wxGetenv(_T("HOSTNAME"))) == NULL)
     {
         ::PrfQueryProfileString( HINI_PROFILE
                                 ,(PSZ)WX_SECTION
@@ -155,7 +157,7 @@ bool wxShell( const wxString& rCommand )
     SData.PgmName  = (char*)zShell;
 
     sInputs = _T("/C ") + rCommand;
-    SData.PgmInputs     = (BYTE*)sInputs.c_str();
+    SData.PgmInputs     = (BYTE*)sInputs.wx_str();
     SData.TermQ         = 0;
     SData.Environment   = 0;
     SData.InheritOpt    = SSF_INHERTOPT_SHELL;
@@ -224,7 +226,7 @@ unsigned long wxGetProcessId()
 bool wxGetEnv(const wxString& var, wxString *value)
 {
     // wxGetenv is defined as getenv()
-    wxChar *p = wxGetenv(var);
+    wxChar *p = wxGetenv((const wxChar *)var);
     if ( !p )
         return false;
 
@@ -236,11 +238,18 @@ bool wxGetEnv(const wxString& var, wxString *value)
     return true;
 }
 
-bool wxSetEnv(const wxString& variable, const wxChar *value)
+static bool wxDoSetEnv(const wxString& variable, const char *value)
 {
 #if defined(HAVE_SETENV)
-    return setenv(variable.mb_str(), value ? wxString(value).mb_str().data()
-                                           : NULL, 1 /* overwrite */) == 0;
+    if ( !value ) 
+    { 
+#ifdef HAVE_UNSETENV 
+        return unsetenv(variable.mb_str()) == 0; 
+#else 
+        value = _T(""); // mustn't pass NULL to setenv() 
+#endif 
+    } 
+    return setenv(variable.mb_str(), value, 1 /* overwrite */) == 0;
 #elif defined(HAVE_PUTENV)
     wxString s = variable;
     if ( value )
@@ -261,6 +270,16 @@ bool wxSetEnv(const wxString& variable, const wxChar *value)
 #endif
 }
 
+bool wxSetEnv(const wxString& variable, const wxString& value)
+{
+    return wxDoSetEnv(variable, value.mb_str());
+}
+
+bool wxUnsetEnv(const wxString& variable)
+{
+    return wxDoSetEnv(variable, NULL);
+}
+
 void wxMilliSleep(
   unsigned long                     ulMilliseconds
 )
@@ -297,19 +316,18 @@ void wxBell()
 wxString wxGetOsDescription()
 {
     wxString strVer(_T("OS/2"));
-    ULONG ulSysInfo[QSV_MAX] = {0};
+    ULONG ulSysInfo = 0;
 
-    if (::DosQuerySysInfo( 1L,
-                           QSV_MAX,
-                           (PVOID)ulSysInfo,
-                           sizeof(ULONG) * QSV_MAX
+    if (::DosQuerySysInfo( QSV_VERSION_MINOR,
+                           QSV_VERSION_MINOR,
+                           (PVOID)&ulSysInfo,
+                           sizeof(ULONG)
                          ) == 0L )
     {
         wxString ver;
-        ver.Printf( _T(" ver. %d.%d rev. %c"),
-                    int(ulSysInfo[QSV_VERSION_MAJOR] / 10),
-                    int(ulSysInfo[QSV_VERSION_MINOR]),
-                    char(ulSysInfo[QSV_VERSION_REVISION])
+        ver.Printf( _T(" ver. %d.%d"),
+                    int(ulSysInfo / 10),
+                    int(ulSysInfo % 10)
                   );
         strVer += ver;
     }
@@ -317,6 +335,13 @@ wxString wxGetOsDescription()
     return strVer;
 }
 
+bool wxIsPlatform64Bit()
+{
+    // FIXME: No idea how to test for 64 bit processor
+    //        (Probably irrelevant anyhow, though).
+    return false;
+}
+
 void wxAppTraits::InitializeGui(unsigned long &WXUNUSED(ulHab))
 {
 }
@@ -327,21 +352,21 @@ void wxAppTraits::TerminateGui(unsigned long WXUNUSED(ulHab))
 
 wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)
 {
-    ULONG                 ulSysInfo[QSV_MAX] = {0};
+    ULONG                 ulSysInfo = 0;
     APIRET                ulrc;
 
-    ulrc = ::DosQuerySysInfo( 1L
-                             ,QSV_MAX
-                             ,(PVOID)ulSysInfo
-                             ,sizeof(ULONG) * QSV_MAX
+    ulrc = ::DosQuerySysInfo( QSV_VERSION_MINOR,
+                              QSV_VERSION_MINOR,
+                              (PVOID)&ulSysInfo,
+                              sizeof(ULONG)
                             );
 
     if (ulrc == 0L)
     {
         if ( verMaj )
-            *verMaj = ulSysInfo[QSV_VERSION_MAJOR] / 10;
+            *verMaj = ulSysInfo / 10;
         if ( verMin )
-            *verMin = ulSysInfo[QSV_VERSION_MINOR];
+            *verMin = ulSysInfo % 10;
     }
 
     return wxOS_OS2;
@@ -377,61 +402,92 @@ const wxChar* wxGetHomeDir(
     return rStrDir.c_str();
 }
 
-// Hack for OS/2
-#if wxUSE_UNICODE
-const wxMB2WXbuf wxGetUserHome( const wxString &rUser )
-#else // just for binary compatibility -- there is no 'const' here
-wxChar* wxGetUserHome ( const wxString &rUser )
-#endif
+wxString wxGetUserHome ( const wxString &rUser )
 {
     wxChar*    zHome;
-    wxString   sUser1(rUser);
+    wxString   sUser(rUser);
+
+    wxString home;
 
-    wxChar *wxBuffer = new wxChar[256];
 #ifndef __EMX__
-    if (!sUser1.empty())
+    if (!sUser.empty())
     {
-        wxChar                      zTmp[64];
+        const wxString currentUser = wxGetUserId();
 
-        if (wxGetUserId( zTmp
-                        ,sizeof(zTmp)/sizeof(char)
-                       ))
+        // Guests belong in the temp dir
+        if ( currentUser == "annonymous" )
         {
-            // Guests belong in the temp dir
-            if (wxStricmp(zTmp, _T("annonymous")) == 0)
-            {
-                if ((zHome = wxGetenv(_T("TMP"))) != NULL    ||
-                    (zHome = wxGetenv(_T("TMPDIR"))) != NULL ||
-                    (zHome = wxGetenv(_T("TEMP"))) != NULL)
-                    delete[] wxBuffer;
-                    return *zHome ? zHome : (wxChar*)_T("\\");
-            }
-            if (wxStricmp(zTmp, WXSTRINGCAST sUser1) == 0)
-                sUser1 = wxEmptyString;
+            zHome = wxGetenv(_T("TMP"));
+            if ( !zHome )
+                zHome = wxGetenv(_T("TMPDIR"));
+            if ( !zHome )
+                zHome = wxGetenv(_T("TEMP"));
+
+            if ( zHome && *zHome )
+                return zHome;
         }
+
+        if ( sUser == currentUser )
+            sUser.clear();
     }
 #endif
-    if (sUser1.empty())
+    if (sUser.empty())
     {
         if ((zHome = wxGetenv(_T("HOME"))) != NULL)
         {
-            wxStrcpy(wxBuffer, zHome);
-            wxUnix2DosFilename(wxBuffer);
-#if wxUSE_UNICODE
-            wxWCharBuffer retBuffer (wxBuffer);
-            delete[] wxBuffer;
-            return retBuffer;
-#else
-            wxStrcpy(zHome, wxBuffer);
-            delete[] wxBuffer;
-            return zHome;
-#endif
+            home = zHome;
+            home.Replace("/", "\\");
         }
     }
-    delete[] wxBuffer;
-    return (wxChar*)wxEmptyString; // No home known!
+
+    return home;
 }
 
+bool wxGetDiskSpace(const wxString& path,
+                    wxDiskspaceSize_t *pTotal,
+                    wxDiskspaceSize_t *pFree)
+{
+    if (path.empty())
+        return false;
+
+    wxFileName fn(path);
+    FSALLOCATE fsaBuf = {0};
+    APIRET rc = NO_ERROR;
+    ULONG disknum = 0;
+
+    fn.MakeAbsolute();
+
+    if (wxDirExists(fn.GetFullPath()) == false)
+        return false;
+
+    disknum = wxToupper(fn.GetVolume().GetChar(0)) - _T('A') + 1;
+
+    rc = ::DosQueryFSInfo(disknum,             // 1 = A, 2 = B, 3 = C, ...
+                          FSIL_ALLOC,          // allocation info
+                          (PVOID)&fsaBuf,
+                          sizeof(FSALLOCATE));
+
+    if (rc != NO_ERROR)
+        return false;
+    else
+    {
+        if(pTotal)
+        {
+           // to try to avoid 32-bit overflow, let's not multiply right away
+            // (num of alloc units)
+            *pTotal = fsaBuf.cUnit;  
+            // * (num of sectors per alloc unit) * (num of bytes per sector)
+            (*pTotal) *= fsaBuf.cSectorUnit * fsaBuf.cbSector;
+        }
+        if(pFree)
+        {
+            *pFree = fsaBuf.cUnitAvail;
+            (*pFree) *= fsaBuf.cSectorUnit * fsaBuf.cbSector;
+        }
+        return true;
+    }
+}
 wxString wxPMErrorToStr(ERRORID vError)
 {
     wxString sError;