Hi Aryan, I went through your code, I've made some modifications etc. have a look at the flow of the program. I think from that you will see how its done.
Regards Arash PS: to compile type: make dynamic to run type: ./dynamic __________________________________________________ Be one who knows what they don't know, Instead of being one who knows not what they don't know, Thinking they know everything about all things. http://www.partow.net ----- Original Message ----- From: "Aryan Ameri" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, December 13, 2003 5:40 AM Subject: [linuxiran] [OT] C programming, variable size array > Hi There: > > A while ago I was asked this question from a fellow friend of mine: > > "Write a program, which promts the uset to enter some numbers. The user > should terminate the sequence of numbers by entering EOF character. The > program should put numbers entered by the user in to a 1D array". > > Which seems pretty simple in first glance, but has one problem. When > initializing the array, I don't know it's size (and I don't want to ask > the user to enter it's size). The first soloution that came to my mind > was to initialize the array to a very big number. However this is not > elegant programming, and is a waste of memory. My second soloution was, > to initialize the array inside the loop, so that it enlarges it's size > continously each time the user inputs a number. I wrote the following > code: > > #include <stdio.h> > > main() > { > int tmp, cnt = 0; > static int arr[cnt]; > printf( "Enter Number\n"); > scanf( "%d", &tmp); > while ( (tmp = getchar() ) != EOF ) { > arr[cnt] = tmp; > cnt += 1; > static int arr[cnt]; > printf( "Enter Number\n"); > scanf( "%d", &tmp); > } > > return 0; > } > > This sounded logical to me. But the compiler (gcc 3.2) gives me a syntax > error saying that 'storage size of 'arr' isn't constant'. Well, I don't > want it to be constant! > > I was wondering if any of you could help me solve this question. This is > not yet-another-student-asking-for-help-to-do-homework. This is a > problem for me, which has made me busy for a couple of days, and > googling and greping /usr/include and other basic methods didn't reveal > anything to me. > > PS: Now that I am on the subject, can anyone point me to a active C > mailing list? one that I can ask these kind of question from, as they > come up? preferrably with a tendency towards Unix/Linux. (mailing lists > please, not newsgroups). > > > Cheers > -- > /* Trademarks, Copyrights, Patents, etc are all loans from the public > domain. They are not a property ('intellectual' or otherwise.) */ > > > Aryan Ameri > > > _______________________________________________ > bna-linuxiran mailing list > [EMAIL PROTECTED] > http://mail.nongnu.org/mailman/listinfo/bna-linuxiran > >
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