Merge pull request diffblue#175 from diffblue/bugfix/handle-ecryptfs

Handle eCryptfs

Author: NathanJPhillips

src/summaries/summary_dump.cpp

@@ -886,12 +886,15 @@ bool skip_fn_summary(const std::string &fname)
 }
 
 
-std::string  to_file_name(std::string  result)
+std::string to_file_name(std::string file_name, std::size_t suffix_length)
 {
-  result = make_valid_filename(result);
-  if(result.size()>240)
-    result.resize(240); // Leave a reasonable amount of space for a suffix
-  return result;
+  // The maximum file name length is 255 on most Linux file systems
+  // but 140 if using eCryptfs
+  std::size_t max_file_name_length=140-suffix_length;
+  file_name = make_valid_filename(file_name);
+  if(file_name.size()>max_file_name_length)
+    file_name.resize(max_file_name_length);
+  return file_name;
 }
 
 std::string  to_html_text(std::string  result)

src/summaries/summary_dump.h

@@ -100,7 +100,7 @@ void dump_instruction_code_in_html(
     std::ostream &ostr
     );
 
-std::string to_file_name(std::string result);
+std::string to_file_name(std::string file_name, std::size_t suffix_length=15);
 bool skip_fn_summary(const std::string &fname);