Re: pointers and text-based rpg problem

[Evan Marchant <evan@achaia.dircon.co.uk>]

Hi, 
so far I can see a couple of mistakes...
>
>void tbox(char *text) {
>int totchars = strlen(text);
>
>int numfields =(int)(totchars/50);
>if(numfields<1){
>numfields = 1;
>}

>char buffer[numfields][51];//buffer to read text;50 +1 for null byte

Here you are allocating a buffer with a NON constant. This buffer will not
be allocated correctly...
I would do sumthing like this:
(C code)
char **buffer;
buffer = (char **)malloc(sizeof (char *) * numfields);
then do somthing like:
for(c=0;c<numfields;c++)
{
	buffer[c] = (char *)malloc(sizeof(char) * 51);
}

>int i,j;
>for(i=0;i<3;i++) {
>strncpy(buffer[i],text,50);
>}//end for...i loop
>for(j=0;j<20;j++);{
>printf("%s \n",&buffer[j]);

In correct indirection for the buffer[j].. as ur printing a string
you only need buffer[j].

Thats all I can see at the moment.
Evan,
>void main() {
>char test[] ="The Lord is my Shepherd. I shall not want. He maketh me
>to lie down in green pastures. He leadeth me beside the still waters.
>He restoreth my soul. He leadeth me in the path of righteousness for
>His names sake.";
>tbox(test);
>}
>
>         As I said, this code compiles correctly, but upon the test
>output of the text in the buffer, it prints only a little ASCII diamond.  
>Anyone's help would be greatly appreciated.
>         Also, as I am working with C++, the idea of pointers and 
>encapsulation have come to my mind and they seem to step on each other's 
>foot.  For example, if I were to create my own string class like so:
>
>class newstring{
>private:
>strdata[345];
>public:
>char *get(void);
>}
>
>wouldn't the person using this class still be able to change strdata 
>directly, without having to use some function, because of the fact that they 
>have its address?  What I'm saying is, couldn't they just write some 
>characters to that address?  I ask this because the author of my book does 
>it like that, and I'm just wondering if, instead of returning an address to 
>strdata, returning strdata by value would follow the rules of class 
>encapsulation better.  Any and all help and comments are greatly 
>appreciated. Thank you
>
>
>
>
>
>                                      Peace and may God
>                                       direct your life
>                                        Amen, Jonathan Smith
>
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****
*Evan Marchant			       	
*ICQ#15055534			       					       	
*"Once one problems solved, ten are around the corner"
****
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of any topic related to the art, science, and business of
programming games. This list is especially tolerant of beginners.
We were all beginners once

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