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To: cs551@merlot.usc.edu
Subject: Re: CS551: Final Project 2 : Reading Commandline
Date: Mon, 24 Nov 2008 23:15:58 -0800
From: Bill Cheng <william@bourbon.usc.edu>

Someone wrote:

  > For printing the "servant:10000>"  at prompt we have used puts and then a
  > select call to check for any input at the prompt. however, puts appends a
  > '\n' at the end of every string it displays at the prompt so this is moving
  > the cursor on the second line for entering commands.

Have you done "man puts"?  It sounds like it's doing exactly
what is advertised.

  > We tried printf, fputs, putchar and putc but displays due to all of these
  > are somehow getting suppressed if we use it with select. any ideas on what
  > can the possible error be ?
  > 
  > This is how the code i described above looks:
  > 
  > while(1) {
  > 
  > printf("servant:%d> ",port);    // we have puts currently which is working
  > at the same place.
  > ....
  > ....
  > select () call and things needed for that
  > if (timer expires) and (no input)
  >    continue;
  > else
  > /*
  > processing logic
  > */
  > }

Have you tried calling fflush(stdout) right after the printf()?
--
Bill Cheng // bill.cheng@usc.edu <URL:http://merlot.usc.edu/william/usc/>