Re: [Dev-C++] Tokenize function

[Alexsandro M. <mei...@gm...>]

I corrected what you guys suggested to me. fgets intead of gets, input array
as parameter, and so on. Thank you very much for your comments. Now the
program is working a way better.

On Fri, Mar 6, 2009 at 6:42 AM, Per Westermark <pw...@ia...> wrote:

> 1) array is a private variable inside main(). If you want this array of
> poinster to be initialized by a function call to tokenizar, then you must
> send the array as a parameter, together with the information that it can
> hold at most 50 words.
>
> And you must also let the function tokenizar return the number of words it
> found, so you know how many words to print.
>
> But another thing. Do not ever (!) use gets() to read a string. Always use
> fgets(). The reason is that gets() does not take the maximum size of the
> input buffer as parameter, so if the input sentence is larger than 49
> characters, you will get a buffer overrun.
>
> If you use fgets(), it will end the input when the buffer is full. You can
> then check if there is a '\n' (newline character) in the string, or if the
> input string was too long.
>
> /pwm
>
> On Thu, 5 Mar 2009, Alexsandro Meireles wrote:
>
> > Dear all,
> >
> > I have build a function to tokenize a sentence and to return the words in
> my
> > main function. It seems ok, but it's not working the way I intend.
> >
> > The code is:
> >
> > main()
> > {
> >   char str[50];
> >   char *array[50];
> >   printf("Token 0.1\nDeveloped by Alexsandro Meireles\nType");
> >   printf(" the sentence: ");
> >   gets(str);
> >   tokenizar(str);
> >   printf("\n");
> >   printf("Word #%d is %s\n",0, array[0]);   //PROBLEM IS HERE!!!!!
> >   system("pause");
> > }
> >
> >
> > I need to have access to the words returned by the function tokenizar,
> but
> > what I get as result, for example for "a casa pegou fogo." is:
> >
> > Word #0 is 'a'
> > Word #1 is 'casa'
> > Word #2 is 'pegou'
> > Word #3 is 'fogo'
> >
> > AND THEN A LOOP
> >
> > Word #0 is Word #0 is Word #0 is Word #0 is ...
> >
> > IN OTHER WORDS, I CAN'T HAVE ACCESS TO THE ARRAY OF WORDS CREATED INSIDE
> > 'tokenizar'.
> >
> > What am I doing wrong?
> >
> > Thanks in advance!
> >
> > --
> > Prof. Dr. Alexsandro Meireles, linguist
> > Federal University of Espírito Santo
> > Departamento de Línguas e Letras
> > Av. Fernando Ferrari, 514. Campus Universitário
> > Goiabeiras. 29075-910
> > Vitória-ES. Brazil
> > mei...@gm...
> > +55-27-41021734
> >
>
>


-- 
Prof. Dr. Alexsandro Meireles, linguist
Federal University of Espírito Santo
Departamento de Línguas e Letras
Av. Fernando Ferrari, 514. Campus Universitário
Goiabeiras. 29075-910
Vitória-ES. Brazil
mei...@gm...
+55-27-41021734