[boost] [afio] Trouble with examples

Subject: [boost] [afio] Trouble with examples
From: Brian Ravnsgaard Riis (lists_at_[hidden])
Date: 2015-05-03 15:02:51

Hi,

The first two examples for the AFIO library do not work as written.

The "Hello World" example is missing a file_flag::Create[OnlyIfNotExist] 
flag on the "example_file.txt" op. Otherwise it never creates the file 
and the rest of the example becomes garbage.

The "less toy" example has a bug in the parsing of the input files. It 
loops, incrementing argc instead of n, as it should. Even after that I 
cannot get the program to work, and I am unsure exactly what is wrong. 
The output file for the concatenated inputs is created and "truncated" 
to the correct size, but no data ever gets written to this file. If I 
use large files I have seen std::invalid_argument exceptions and even 
segfaults. I *think* the problem may be related to the buffers; I have 
tried using a simple std::vector<char> for the file_buffer_type, but 
this makes no difference.

I have not looked at any other examples yet; I think I should get these 
two working correctly first...

Regards,
  Brian