When iterating over the sections in a file, omit sections that have no raw da...

courgette/image_info.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "courgette/image_info.h"
 
 #include <memory.h>
 #include <algorithm>
 #include <map>
 #include <set>
@@ skipping 40 matching lines @@
       << std::hex << (rva - section->virtual_address)
       << ")";
   }
   return s.str();
 }
 
 const Section* PEInfo::FindNextSection(uint32 fileOffset) const {
   const Section* best = 0;
   for (int i = 0; i < number_of_sections_; i++) {
     const Section* section = &sections_[i];
-    if (fileOffset <= section->file_offset_of_raw_data) {
-      if (best == 0 ||
-          section->file_offset_of_raw_data < best->file_offset_of_raw_data) {
-        best = section;
+    if (section->size_of_raw_data > 0) {  // i.e. has data in file.
+      if (fileOffset <= section->file_offset_of_raw_data) {
+        if (best == 0 ||
+            section->file_offset_of_raw_data < best->file_offset_of_raw_data) {
+          best = section;
+        }
       }
     }
   }
   return best;
 }
 
 const Section* PEInfo::RVAToSection(RVA rva) const {
   for (int i = 0; i < number_of_sections_; i++) {
     const Section* section = &sections_[i];
     uint32 offset = rva - section->virtual_address;
@@ skipping 307 matching lines @@
 
     block += size;
   }
 
   std::sort(relocs->begin(), relocs->end());
 
   return true;
 }
 
 }  // namespace courgette