X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8bb6b2c057edbcc5b87f00a8af6ac70f6fd69727..85a94ef07bc7b67ce7c418bb672c51a0a54d6f73:/src/unix/utilsunx.cpp

diff --git a/src/unix/utilsunx.cpp b/src/unix/utilsunx.cpp
index d14a33a5e6..67a97b734a 100644
--- a/src/unix/utilsunx.cpp
+++ b/src/unix/utilsunx.cpp
@@ -891,12 +891,29 @@ bool wxGetUserName(wxChar *buf, int sz)
     return false;
 }
 
+bool wxIsPlatform64Bit()
+{
+    wxString machine = wxGetCommandOutput(wxT("uname -m"));
+
+    // NOTE: these tests are not 100% reliable!
+    return machine.Contains(wxT("AMD64")) ||
+           machine.Contains(wxT("IA64")) ||
+           machine.Contains(wxT("x64")) ||
+           machine.Contains(wxT("X64")) ||
+           machine.Contains(wxT("alpha")) ||
+           machine.Contains(wxT("hppa64")) ||
+           machine.Contains(wxT("ppc64"));
+}
+
+// these functions are in mac/utils.cpp for wxMac
+#ifndef __WXMAC__
+
 wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)
 {
     // get OS version
     int major, minor;
     wxString release = wxGetCommandOutput(wxT("uname -r"));
-    if ( !release.empty() && wxSscanf(release, "%d.%d", &major, &minor) != 2 )
+    if ( !release.empty() && wxSscanf(release, wxT("%d.%d"), &major, &minor) != 2 )
     {
         // unrecognized uname string format
         major =
@@ -919,23 +936,6 @@ wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)
     return wxPlatformInfo::GetOperatingSystemId(kernel);
 }
 
-bool wxIsPlatform64Bit()
-{
-    wxString machine = wxGetCommandOutput(wxT("uname -m"));
-
-    // NOTE: these tests are not 100% reliable!
-    return machine.Contains(wxT("AMD64")) ||
-           machine.Contains(wxT("IA64")) ||
-           machine.Contains(wxT("x64")) ||
-           machine.Contains(wxT("X64")) ||
-           machine.Contains(wxT("alpha")) ||
-           machine.Contains(wxT("hppa64")) ||
-           machine.Contains(wxT("ppc64"));
-}
-
-// this function is in mac/utils.cpp for wxMac
-#ifndef __WXMAC__
-
 wxString wxGetOsDescription()
 {
     return wxGetCommandOutput(wxT("uname -s -r -m"));
@@ -960,8 +960,31 @@ wxMemorySize wxGetFreeMemory()
         char buf[1024];
         if ( fgets(buf, WXSIZEOF(buf), fp) && fgets(buf, WXSIZEOF(buf), fp) )
         {
-            long memTotal, memUsed;
-            sscanf(buf, "Mem: %ld %ld %ld", &memTotal, &memUsed, &memFree);
+            // /proc/meminfo changed its format in kernel 2.6
+            if ( wxPlatformInfo().CheckOSVersion(2, 6) )
+            {
+                unsigned long cached, buffers;
+                sscanf(buf, "MemFree: %ld", &memFree);
+
+                fgets(buf, WXSIZEOF(buf), fp);
+                sscanf(buf, "Buffers: %lu", &buffers);
+
+                fgets(buf, WXSIZEOF(buf), fp);
+                sscanf(buf, "Cached: %lu", &cached);
+
+                // add to "MemFree" also the "Buffers" and "Cached" values as
+                // free(1) does as otherwise the value never makes sense: for
+                // kernel 2.6 it's always almost 0
+                memFree += buffers + cached;
+
+                // values here are always expressed in kB and we want bytes
+                memFree *= 1024;
+            }
+            else // Linux 2.4 (or < 2.6, anyhow)
+            {
+                long memTotal, memUsed;
+                sscanf(buf, "Mem: %ld %ld %ld", &memTotal, &memUsed, &memFree);
+            }
         }
 
         fclose(fp);