Fix determining OpenVZ VEID on Linux kernels >= 2.6.18.
Index: htop/ProcessList.c
===================================================================
--- htop.orig/ProcessList.c	2011-01-16 17:02:59.000000000 +0200
+++ htop/ProcessList.c	2011-01-16 18:05:01.000000000 +0200
@@ -438,19 +438,26 @@
       return;
    }
    char filename[MAX_NAME+1];
-   snprintf(filename, MAX_NAME, "%s/%s/stat", dirname, name);
+   snprintf(filename, MAX_NAME, "%s/%s/status", dirname, name);
    FILE* file = fopen(filename, "r");
    if (!file) 
       return;
-   fscanf(file, 
-      "%*32u %*32s %*1c %*32u %*32u %*32u %*32u %*32u %*32u %*32u "
-      "%*32u %*32u %*32u %*32u %*32u %*32u %*32u %*32u "
-      "%*32u %*32u %*32u %*32u %*32u %*32u %*32u %*32u "
-      "%*32u %*32u %*32u %*32u %*32u %*32u %*32u %*32u "
-      "%*32u %*32u %*32u %*32u %*32u %*32u %*32u %*32u "
-      "%*32u %*32u %*32u %*32u %*32u %*32u %*32u "
-      "%*32u %*32u %32u %32u",
-      &process->vpid, &process->ctid);
+
+   char buffer[256];
+   process->ctid = 0;
+   while (!feof(file)) {
+      char* ok = fgets(buffer, 255, file);
+      if (!ok)
+         break;
+
+      if (String_startsWith(buffer, "envID:")) {
+         int ctid;
+         int ok = sscanf(buffer, "envID:\t%d", &ctid);
+         if (ok >= 1) {
+            process->ctid = ctid;
+         }
+      }
+   }
    fclose(file);
 }