Re: checking for a blank box?

[Michael Hagemann <michael hagemann unibas ch>]

On Tue, 04 Mar 2003 20:37:53 -0500 Brandon wrote:

> What value do I compare the output of gtk_editable_get_text() with in
> order to know if the entry box I'm getting text from is empty or not?
> I'm using an if statement and have tried to do If
> (gtk_editable_get_text(entry,0,-1) == NULL) and it won't make the match
> even when I don't input anything into the entry box. I've also tried
> comparing to '\0' and 32 (ascii value for a space) and nothing ever
> matches.  how do i check if a user has inputted anything? 

The function (actually gtk_editable_get_chars?!) returns a pointer to
a string.  You should be using strncmp along the lines of:

  w_text = gtk_editable_get_text(entry,0,-1);
  if (strncmp("", w_text, 1))
  {
     ...
  }
  g_free(w_text);


hth,
michael