Ticket #8906: posix-fs_os2-ver2.diff

backends/fs/posix/posix-fs.cpp

@@ -35 +35 @@
 #include <stdio.h>
 #include <unistd.h>
 
+#ifdef __OS2__
+#define INCL_DOS
+#include <os2.h>
+#endif
+
 /**
  * Implementation of the ScummVM file system API based on POSIX.
  * 
@@ -158 +163 @@
 bool POSIXFilesystemNode::getChildren(AbstractFSList &myList, ListMode mode, bool hidden) const {
         assert(_isDirectory);
         
+#ifdef __OS2__
+    if (_path == "/") {
+        ULONG ulDrvNum;
+        ULONG ulDrvMap;
+
+        DosQueryCurrentDisk(&ulDrvNum, &ulDrvMap);
+
+        for (int i = 0; i < 26; i++) {
+            if (ulDrvMap & 1) {
+                char drive_root[4];
+
+                drive_root[0] = i + 'A';
+                drive_root[1] = ':';
+                drive_root[2] = '/';
+                drive_root[3] = 0;
+
+                POSIXFilesystemNode entry;
+
+                entry._isDirectory = true;
+                entry._isValid = true;
+                entry._path = drive_root;
+                entry._displayName = "[" + String(drive_root, 2) + "]";
+                myList.push_back(new POSIXFilesystemNode(entry));
+            }
+
+            ulDrvMap >>= 1;
+        }
+    }
+    else {
+#endif
         DIR *dirp = opendir(_path.c_str());
         struct dirent *dp;
 
@@ -226 +261 @@
         }
         closedir(dirp);
         
+#ifdef __OS2__
+    }
+#endif
+
         return true;
 }
 
@@ -236 +275 @@
         const char *start = _path.c_str();
         const char *end = lastPathComponent(_path);
 
+#ifdef __OS2__
+    if (end == startx)
+        return new POSIXFilesystemNode();
+#endif
+
         return new POSIXFilesystemNode(String(start, end - start), true);
 }