Bug 381315 - nsINIParser crashes when linked against a static CRT (opera profile migrator), r=dougt

xpcom/glue/nsINIParser.cpp

@@ -70,11 +70,27 @@ nsINIParser::Init(nsILocalFile* aFile)
 {
     nsresult rv;
 
-    /* open the file */
+    /* open the file. Don't use OpenANSIFileDesc, because you mustn't
+       pass FILE* across shared library boundaries, which may be using
+       different CRTs */
+
     AutoFILE fd;
-    rv = aFile->OpenANSIFileDesc("r" BINARY_MODE, &fd);
-    if (NS_FAILED(rv))
-      return rv;
+
+#ifdef XP_WIN
+    nsAutoString path;
+    rv = aFile->GetPath(path);
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    fd = _wfopen(path.get(), L"rb");
+#else
+    nsCAutoString path;
+    rv = aFile->GetNativePath(path);
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    fd = fopen(path.get(), "r" BINARY_MODE);
+#endif
+    if (!fd)
+      return NS_ERROR_FAILURE;
 
     return InitFromFILE(fd);
 }