On Thu, Sep 11, 2014 at 07:19:53PM -0400, Stephen Powell wrote:
> being made in /etc/lftp.conf.) The significant point is that debug
> output is being directed to a file by means of the "-o" option of
> the debug command, instead of being written to the terminal. Now
> here is the circumvention technique that I use to get around the
> problem. If I manually erase (rm) the debug output file,
> getmyfile.output, left over from the previous run of the command,
> before invoking the command again, I get the expected output in
> getmyfile.output. But if I don't erase the getmyfile.output file
> before running the command, and this second run of the command
> produces less debug output than the first run did, then there will
> be left-over output from the previous run of the command at the end
> of the file.
Ok, I see now. This patch should fix the problem and the debug output
will be appended to the file as intended.
The problem was that the fcntl call cleared O_APPEND flag.
--
Alexander.
diff --git a/src/commands.cc b/src/commands.cc
index c17fcc4..b14b71b 100644
--- a/src/commands.cc
+++ b/src/commands.cc
@@ -2046,13 +2046,12 @@ CMD(debug)
debug_file_name=optarg;
if(fd!=-1)
close(fd);
- fd=open(debug_file_name,O_WRONLY|O_CREAT|O_APPEND,0600);
+ fd=open(debug_file_name,O_WRONLY|O_CREAT|O_APPEND|O_NONBLOCK,0600);
if(fd==-1)
{
perror(debug_file_name);
return 0;
}
- fcntl(fd,F_SETFL,O_NONBLOCK);
fcntl(fd,F_SETFD,FD_CLOEXEC);
break;
case 'p':
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