Programming Forums > Application Development > C

hamacacolgante · Nov 19th, 2005, 7:32 PM

I've been trying to get the errors of my program corrected for one week, but everytime I correct something I screw up something else. Could anyone help me clear the errors?

(Toggle Plain Text)

#include <stdio.h>
#include <string.h>



int order, paymet, ordnum=1, wrngpay; 		                  
int sweater[30], t_shirt[30], shrt[30], slack[30]; 
float swtot, tshtot, shrtot, slatot;	 	                     
float total[30];
int validate_id(void);
int i, cost_id[30];
float calculate_order(int, int[], int[], int[], int[]);
char pay_method;
void print_report(int, int[], int[], int[], int[], int[], float[], char[]);

main() {

printf( "  \n Welcome to C Fashion! \n " );

for(i =0;i<30; ++i)
 do{
  validate_id();
   for(; validate_id() != -1; )
    printf("\n Welcome, Costumer # %d \n", cost_id);

     printf("\n\n\tProduct\t\tCost per Box\n");
     printf("\n\t Sweaters \t$150\n");
     printf("\n\t T-Shirts \t$100\n");
     printf("\n\t Shorts \t$120\n");
     printf("\n\t Slacks \t$200\n");
     
     printf( " \n Welcome, Costumer # %d \n" , cost_id );
      printf( "\n Please enter the number of sweaters you would like to order: " ) ;
      scanf( "%d", &sweater[i] );
       printf( " You have ordered %d sweaters. \n" , sweater);
      printf( "\n Please enter the number of t-shirts you would like to order: " );
      scanf( "%d", &t_shirt[i] );
       printf( " You have ordered %d t-shirts. \n" , t_shirt );  
      printf( "\n Please enter the number of shorts you would like to order: " ) ;
      scanf( "%d", &shrt[i] );
       printf( " You have ordered %d shorts. \n" , shrt );
      printf( "\n Please enter the number of slacks you would like to order: " ) ;
      scanf( "%d", &slack[i] );
       printf( " You have ordered %d slacks. \n \n" , slack );  
   

     
     if ( sweater || t_shirt || shrt || slack ) {                                        
      order = 1;
      }
      else order = 0;
      if (order)
      {
        do {
          printf("\n Select one of the following methods of payment\n");
          printf("\n1\tCheck or money order\n2\tBank Transfer\n3\tCredit Card");
          printf("\nEnter your selection: ");
          scanf("%d", &paymet);
          switch (paymet) {
            case 1: 
              wrngpay = 0;
              pay_method[i]="Check or money order";
              break;
            case 2:
              wrngpay = 0;
              pay_method[i]="Bank Transfer";
              break;
            case 3:                                                         
              wrngpay = 0;
              pay_method[i]="Credit Card";
              break;
            default: 
              wrngpay = 1;
              printf("\n This is not a valid option");
          }
        } while (wrngpay);

        printf("\nCustomer: #%d\n\n", cost_id);

        swtot = sweater * 150 ;                                                             
        tshtot = t_shirt * 100 ;
        shrtot = shrt * 120 ;
        slatot = slack * 200 ;

        printf("%20s%10s%10s\n", "Product", "Boxes", "Cost");                                
        if (sweater) printf("%20s%10d%10.2f\n", "Sweaters", sweater, swtot);
        if (t_shirt) printf("%20s%10d%10.2f\n", "T-shirts", t_shirt, tshtot);
        if (shrt) printf("%20s%10d%10.2f\n", "Shorts", shrt, shrtot);
        if (slack) printf("%20s%10d%10.2f\n", "Slacks", slack, slatot);

        printf("\n The for total for your order is: $ %.2f\n", calculate_order(i, sweater, t_shirt, shrt, slack);        
        printf("\n\n \t\tMethod of Payment: %s\n", pay_method[i] );  

       printf("\n\n \t\tEnd of order #%d \n\n", ordnum);                                         
       ordnum++ ;       
     }
     else printf( "\n\n \t No items ordered!!! \n\n" );

     
  printf("\n\n\t\t Thank you for using C Fashion!!!");
 } while(i<30);

print_report(i, cost_id, sweater, t_shirt, shrt, slack, total, pay_method);


  return 0;
}
/*-------------------------------------------------------------------------------------------------------*/

/* Function 1 */
int validate_id()
{   

 
   do{   
    printf("\n Please enter your costumer identification number or \"-1\" to exit. \n");
    scanf("%d", cost_id);

   if (cost_id >= 1 && cost_id <= 100) {       
    printf("You entered %d\n", cost_id);
    return (cost_id);
    }
 
 
   else if (cost_id == -1) 
    return (-1);
   
   else {printf("Invalid costumer identification number");}

   } while (cost_id > -1 && cost_id > 100 );
}


/* Function 2 */

float calculate_order(int 30, int a[], int b[], int c[], int d[])
{
total[i]={0};
 total[i] = total[i] + (150 * a[i]) + (100 * b[i]) + (120 * c[i]) + (200 * d[i]) ; 
   return total[i];
}

/* Function 3 */

void print_report(int i, int cost_id[], int sweater[], int t_shirt[], int shrt[], int slack[], float total[], char pay_method[])
{
printf("%20s%20s%20s%20s%20s%20s%20s\n", "customer id", "sweaters", "t-shirts", "shorts", "slacks", "total($)", "form of payment");
for(i=0; i < 30; i++) 
printf("%20d%20d%20d%20d%20d%20.2f%20s\n", cost_id[i], sweater[i], t_shirt[i], shrt[i], slack[i], total[i], pay_method[i]);
}

/* End of Program */

#include <stdio.h>
#include <string.h>



int order, paymet, ordnum=1, wrngpay; 		                  
int sweater[30], t_shirt[30], shrt[30], slack[30]; 
float swtot, tshtot, shrtot, slatot;	 	                     
float total[30];
int validate_id(void);
int i, cost_id[30];
float calculate_order(int, int[], int[], int[], int[]);
char pay_method;
void print_report(int, int[], int[], int[], int[], int[], float[], char[]);

main() {

printf( "  \n Welcome to C Fashion! \n " );

for(i =0;i<30; ++i)
 do{
  validate_id();
   for(; validate_id() != -1; )
    printf("\n Welcome, Costumer # %d \n", cost_id);

     printf("\n\n\tProduct\t\tCost per Box\n");
     printf("\n\t Sweaters \t$150\n");
     printf("\n\t T-Shirts \t$100\n");
     printf("\n\t Shorts \t$120\n");
     printf("\n\t Slacks \t$200\n");
     
     printf( " \n Welcome, Costumer # %d \n" , cost_id );
      printf( "\n Please enter the number of sweaters you would like to order: " ) ;
      scanf( "%d", &sweater[i] );
       printf( " You have ordered %d sweaters. \n" , sweater);
      printf( "\n Please enter the number of t-shirts you would like to order: " );
      scanf( "%d", &t_shirt[i] );
       printf( " You have ordered %d t-shirts. \n" , t_shirt );  
      printf( "\n Please enter the number of shorts you would like to order: " ) ;
      scanf( "%d", &shrt[i] );
       printf( " You have ordered %d shorts. \n" , shrt );
      printf( "\n Please enter the number of slacks you would like to order: " ) ;
      scanf( "%d", &slack[i] );
       printf( " You have ordered %d slacks. \n \n" , slack );  
   

     
     if ( sweater || t_shirt || shrt || slack ) {                                        
      order = 1;
      }
      else order = 0;
      if (order)
      {
        do {
          printf("\n Select one of the following methods of payment\n");
          printf("\n1\tCheck or money order\n2\tBank Transfer\n3\tCredit Card");
          printf("\nEnter your selection: ");
          scanf("%d", &paymet);
          switch (paymet) {
            case 1: 
              wrngpay = 0;
              pay_method[i]="Check or money order";
              break;
            case 2:
              wrngpay = 0;
              pay_method[i]="Bank Transfer";
              break;
            case 3:                                                         
              wrngpay = 0;
              pay_method[i]="Credit Card";
              break;
            default: 
              wrngpay = 1;
              printf("\n This is not a valid option");
          }
        } while (wrngpay);

        printf("\nCustomer: #%d\n\n", cost_id);

        swtot = sweater * 150 ;                                                             
        tshtot = t_shirt * 100 ;
        shrtot = shrt * 120 ;
        slatot = slack * 200 ;

        printf("%20s%10s%10s\n", "Product", "Boxes", "Cost");                                
        if (sweater) printf("%20s%10d%10.2f\n", "Sweaters", sweater, swtot);
        if (t_shirt) printf("%20s%10d%10.2f\n", "T-shirts", t_shirt, tshtot);
        if (shrt) printf("%20s%10d%10.2f\n", "Shorts", shrt, shrtot);
        if (slack) printf("%20s%10d%10.2f\n", "Slacks", slack, slatot);

        printf("\n The for total for your order is: $ %.2f\n", calculate_order(i, sweater, t_shirt, shrt, slack);        
        printf("\n\n \t\tMethod of Payment: %s\n", pay_method[i] );  

       printf("\n\n \t\tEnd of order #%d \n\n", ordnum);                                         
       ordnum++ ;       
     }
     else printf( "\n\n \t No items ordered!!! \n\n" );

     
  printf("\n\n\t\t Thank you for using C Fashion!!!");
 } while(i<30);

print_report(i, cost_id, sweater, t_shirt, shrt, slack, total, pay_method);


  return 0;
}
/*-------------------------------------------------------------------------------------------------------*/

/* Function 1 */
int validate_id()
{   

 
   do{   
    printf("\n Please enter your costumer identification number or \"-1\" to exit. \n");
    scanf("%d", cost_id);

   if (cost_id >= 1 && cost_id <= 100) {       
    printf("You entered %d\n", cost_id);
    return (cost_id);
    }
 
 
   else if (cost_id == -1) 
    return (-1);
   
   else {printf("Invalid costumer identification number");}

   } while (cost_id > -1 && cost_id > 100 );
}


/* Function 2 */

float calculate_order(int 30, int a[], int b[], int c[], int d[])
{
total[i]={0};
 total[i] = total[i] + (150 * a[i]) + (100 * b[i]) + (120 * c[i]) + (200 * d[i]) ; 
   return total[i];
}

/* Function 3 */

void print_report(int i, int cost_id[], int sweater[], int t_shirt[], int shrt[], int slack[], float total[], char pay_method[])
{
printf("%20s%20s%20s%20s%20s%20s%20s\n", "customer id", "sweaters", "t-shirts", "shorts", "slacks", "total($)", "form of payment");
for(i=0; i < 30; i++) 
printf("%20d%20d%20d%20d%20d%20.2f%20s\n", cost_id[i], sweater[i], t_shirt[i], shrt[i], slack[i], total[i], pay_method[i]);
}

/* End of Program */

All help is appreciated.

DaWei · Nov 19th, 2005, 7:56 PM

Please read a "how to ask a question" thread. You have told us nothing helpful, only that you have some errors and are frustrated. That describes most questioners. Describe what your program is to do (rather than make us inspect closely, and guess), how it is failing to meet your expectations, what compiler errors or linker errors you are getting, even what compiler, OS, and platform you are using. In other words, help us help you in a sensible and, hopefully, more productive way. You will find the "How to post..." thread and the forum's FAQ/rules at the very top of the postings.

grumpy · Nov 19th, 2005, 8:02 PM

As Dawei said, you really need to do some work on asking a question in a way that makes it more likely that people can answer, or are willing to answer.

On a quick skim, your compiler will be complaining bitterly about your code. And I am not inclined to do more than a quick skim unless you put in more effort to understanding what is going wrong for yourself.

As a rough rule, the best way to handle things when a compiler chokes is to fix the cause of the first error (or warning) first. The reason for this is that early problems can confuse the compiler when it gets to subsequent code. In other words: don't try to start at the bottom of the list of errors from the compiler and work backwards.

A couple of quick comments on specific problems in your code follow;
1) The test;

(Toggle Plain Text)

if ( sweater || t_shirt || shrt || slack ) {                                        
      order = 1;
      }

will always give a true result as the variables are arrays. Equivalence of pointers and arrays guarantees this. Most compilers will give some warning. In any event, I doubt this test is doing what you want (although I can't work out what you are trying to do). Later tests of the form

(Toggle Plain Text)

if (sweater) ...

have the same issue.

2) Having declared pay_method as a single char (i.e. a single byte), the assignment

(Toggle Plain Text)

pay_method[i] = "A string";

is guaranteed to choke your compiler. You probably intend something like;

(Toggle Plain Text)

char pay_method[some_suitable_length];
/*  and later */
strcpy(pay_method, "A string");

bl00dninja · Nov 20th, 2005, 12:51 AM

try this:

give the specific errors you're getting...

use these guys here: "/*" and "*/" a little more often.

linuxpimp20 · Nov 20th, 2005, 12:11 PM

Quote:

Originally Posted by bl00dninja

try this:

give the specific errors you're getting...

use these guys here: "/*" and "*/" a little more often.

these are the errors i get when trying to compile it. As of right now im not ambitious enough to try to solve any of them. lol.

(Toggle Plain Text)

 gcc -ansi -O2 -Wall -pedantic -o sweater sweater.c sweater.c:16: warning: return type defaults to `int'
sweater.c: In function `main':
sweater.c:24: warning: int format, pointer arg (arg 2)
sweater.c:32: warning: int format, pointer arg (arg 2)
sweater.c:35: warning: int format, pointer arg (arg 2)
sweater.c:38: warning: int format, pointer arg (arg 2)
sweater.c:41: warning: int format, pointer arg (arg 2)
sweater.c:44: warning: int format, pointer arg (arg 2)
sweater.c:62: error: subscripted value is neither array nor pointer
sweater.c:66: error: subscripted value is neither array nor pointer
sweater.c:70: error: subscripted value is neither array nor pointer
sweater.c:78: warning: int format, pointer arg (arg 2)
sweater.c:80: error: invalid operands to binary *
sweater.c:81: error: invalid operands to binary *
sweater.c:82: error: invalid operands to binary *
sweater.c:83: error: invalid operands to binary *
sweater.c:86: warning: int format, pointer arg (arg 3)
sweater.c:87: warning: int format, pointer arg (arg 3)
sweater.c:88: warning: int format, pointer arg (arg 3)
sweater.c:89: warning: int format, pointer arg (arg 3)
sweater.c:91: error: syntax error before ';' token
sweater.c:92: error: subscripted value is neither array nor pointer
sweater.c:103: warning: passing arg 8 of `print_report' makes pointer from integer without a cast
sweater.c: In function `validate_id':
sweater.c:119: warning: comparison between pointer and integer
sweater.c:119: warning: comparison between pointer and integer
sweater.c:120: warning: int format, pointer arg (arg 2)
sweater.c:121: warning: return makes integer from pointer without a cast
sweater.c:125: warning: comparison between pointer and integer
sweater.c:130: warning: comparison between pointer and integer
sweater.c:130: warning: comparison between pointer and integer
sweater.c: At top level:
sweater.c:136: error: syntax error before numeric constant
sweater.c: In function `calculate_order':
sweater.c:137: error: number of arguments doesn't match prototype
sweater.c:12: error: prototype declaration
sweater.c:138: error: syntax error before '{' token
sweater.c: At top level:
sweater.c:138: warning: ISO C does not allow extra `;' outside of a function
sweater.c:139: warning: type defaults to `int' in declaration of `total'
sweater.c:139: warning: ISO C90 forbids variable-size array `total'
sweater.c:139: error: variable-size type declared outside of any function
sweater.c:139: error: variable-sized object may not be initialized
sweater.c:139: error: conflicting types for 'total'
sweater.c:9: error: previous declaration of 'total' was here
sweater.c:139: error: `a' undeclared here (not in a function)
sweater.c:139: error: `b' undeclared here (not in a function)
sweater.c:139: error: `c' undeclared here (not in a function)
sweater.c:139: error: `d' undeclared here (not in a function)
sweater.c:139: error: ISO C forbids data definition with no type or storage class
sweater.c:140: error: syntax error before "return"
sweater.c: In function `print_report':
sweater.c:149: warning: format argument is not a pointer (arg 8)

 gcc -ansi -O2 -Wall -pedantic -o sweater sweater.c sweater.c:16: warning: return type defaults to `int'
sweater.c: In function `main':
sweater.c:24: warning: int format, pointer arg (arg 2)
sweater.c:32: warning: int format, pointer arg (arg 2)
sweater.c:35: warning: int format, pointer arg (arg 2)
sweater.c:38: warning: int format, pointer arg (arg 2)
sweater.c:41: warning: int format, pointer arg (arg 2)
sweater.c:44: warning: int format, pointer arg (arg 2)
sweater.c:62: error: subscripted value is neither array nor pointer
sweater.c:66: error: subscripted value is neither array nor pointer
sweater.c:70: error: subscripted value is neither array nor pointer
sweater.c:78: warning: int format, pointer arg (arg 2)
sweater.c:80: error: invalid operands to binary *
sweater.c:81: error: invalid operands to binary *
sweater.c:82: error: invalid operands to binary *
sweater.c:83: error: invalid operands to binary *
sweater.c:86: warning: int format, pointer arg (arg 3)
sweater.c:87: warning: int format, pointer arg (arg 3)
sweater.c:88: warning: int format, pointer arg (arg 3)
sweater.c:89: warning: int format, pointer arg (arg 3)
sweater.c:91: error: syntax error before ';' token
sweater.c:92: error: subscripted value is neither array nor pointer
sweater.c:103: warning: passing arg 8 of `print_report' makes pointer from integer without a cast
sweater.c: In function `validate_id':
sweater.c:119: warning: comparison between pointer and integer
sweater.c:119: warning: comparison between pointer and integer
sweater.c:120: warning: int format, pointer arg (arg 2)
sweater.c:121: warning: return makes integer from pointer without a cast
sweater.c:125: warning: comparison between pointer and integer
sweater.c:130: warning: comparison between pointer and integer
sweater.c:130: warning: comparison between pointer and integer
sweater.c: At top level:
sweater.c:136: error: syntax error before numeric constant
sweater.c: In function `calculate_order':
sweater.c:137: error: number of arguments doesn't match prototype
sweater.c:12: error: prototype declaration
sweater.c:138: error: syntax error before '{' token
sweater.c: At top level:
sweater.c:138: warning: ISO C does not allow extra `;' outside of a function
sweater.c:139: warning: type defaults to `int' in declaration of `total'
sweater.c:139: warning: ISO C90 forbids variable-size array `total'
sweater.c:139: error: variable-size type declared outside of any function
sweater.c:139: error: variable-sized object may not be initialized
sweater.c:139: error: conflicting types for 'total'
sweater.c:9: error: previous declaration of 'total' was here
sweater.c:139: error: `a' undeclared here (not in a function)
sweater.c:139: error: `b' undeclared here (not in a function)
sweater.c:139: error: `c' undeclared here (not in a function)
sweater.c:139: error: `d' undeclared here (not in a function)
sweater.c:139: error: ISO C forbids data definition with no type or storage class
sweater.c:140: error: syntax error before "return"
sweater.c: In function `print_report':
sweater.c:149: warning: format argument is not a pointer (arg 8)

DaWei · Nov 20th, 2005, 12:26 PM

Did you read Grumpy's response at all? If you don't quite understand what he pointed out, post back; mention what, specifically, bumfoozled you. Do read the "How to Post..." thread; there be good tips there. When it comes to debugging, information is key. When it comes to getting help, information is key. Take a deep breath and realize that we are looking at your problem through YOUR eyes and intellect, not through a crystal ball.

The Dark · Nov 21st, 2005, 3:17 AM

Dawei: linuxpimp20 != hamacacolgante

grumpy · Nov 21st, 2005, 5:36 AM

I'll take pity. The first warning is with this line;

(Toggle Plain Text)

printf("\n Welcome, Costumer # %d \n", cost_id);

gcc is actually a good compiler; compilers are NOT actually required to help you with this sort of error. The reason for the warning is that %d suggests the argument after the format string is an int. But cost_id is an array of 30 int's, which the compiler will pass to printf() as a pointer. Presumably the intent is to print one of the elements of the cost_id array.

There will be a logic behind each and every warning or error emitted by any compiler. I've given one example to get you started. Now you just need to go through every warning, work out what the offending code is doing wrong. Then, assuming you understand what you are trying to do with each offending line of code, you can work out how you should rewrite it.

One thing to remember is that a compiler cannot read your mind. It interprets the code quite literally.

Nov 19th, 2005, 7:32 PM	#1
hamacacolgante Newbie Join Date: Nov 2005 Posts: 1 Rep Power: 0	HELP please!!! I've been trying to get the errors of my program corrected for one week, but everytime I correct something I screw up something else. Could anyone help me clear the errors? (Toggle Plain Text) #include <stdio.h> #include <string.h> int order, paymet, ordnum=1, wrngpay; int sweater[30], t_shirt[30], shrt[30], slack[30]; float swtot, tshtot, shrtot, slatot; float total[30]; int validate_id(void); int i, cost_id[30]; float calculate_order(int, int[], int[], int[], int[]); char pay_method; void print_report(int, int[], int[], int[], int[], int[], float[], char[]); main() { printf( " \n Welcome to C Fashion! \n " ); for(i =0;i<30; ++i) do{ validate_id(); for(; validate_id() != -1; ) printf("\n Welcome, Costumer # %d \n", cost_id); printf("\n\n\tProduct\t\tCost per Box\n"); printf("\n\t Sweaters \t$150\n"); printf("\n\t T-Shirts \t$100\n"); printf("\n\t Shorts \t$120\n"); printf("\n\t Slacks \t$200\n"); printf( " \n Welcome, Costumer # %d \n" , cost_id ); printf( "\n Please enter the number of sweaters you would like to order: " ) ; scanf( "%d", &sweater[i] ); printf( " You have ordered %d sweaters. \n" , sweater); printf( "\n Please enter the number of t-shirts you would like to order: " ); scanf( "%d", &t_shirt[i] ); printf( " You have ordered %d t-shirts. \n" , t_shirt ); printf( "\n Please enter the number of shorts you would like to order: " ) ; scanf( "%d", &shrt[i] ); printf( " You have ordered %d shorts. \n" , shrt ); printf( "\n Please enter the number of slacks you would like to order: " ) ; scanf( "%d", &slack[i] ); printf( " You have ordered %d slacks. \n \n" , slack ); if ( sweater \|\| t_shirt \|\| shrt \|\| slack ) { order = 1; } else order = 0; if (order) { do { printf("\n Select one of the following methods of payment\n"); printf("\n1\tCheck or money order\n2\tBank Transfer\n3\tCredit Card"); printf("\nEnter your selection: "); scanf("%d", &paymet); switch (paymet) { case 1: wrngpay = 0; pay_method[i]="Check or money order"; break; case 2: wrngpay = 0; pay_method[i]="Bank Transfer"; break; case 3: wrngpay = 0; pay_method[i]="Credit Card"; break; default: wrngpay = 1; printf("\n This is not a valid option"); } } while (wrngpay); printf("\nCustomer: #%d\n\n", cost_id); swtot = sweater * 150 ; tshtot = t_shirt * 100 ; shrtot = shrt * 120 ; slatot = slack * 200 ; printf("%20s%10s%10s\n", "Product", "Boxes", "Cost"); if (sweater) printf("%20s%10d%10.2f\n", "Sweaters", sweater, swtot); if (t_shirt) printf("%20s%10d%10.2f\n", "T-shirts", t_shirt, tshtot); if (shrt) printf("%20s%10d%10.2f\n", "Shorts", shrt, shrtot); if (slack) printf("%20s%10d%10.2f\n", "Slacks", slack, slatot); printf("\n The for total for your order is: $ %.2f\n", calculate_order(i, sweater, t_shirt, shrt, slack); printf("\n\n \t\tMethod of Payment: %s\n", pay_method[i] ); printf("\n\n \t\tEnd of order #%d \n\n", ordnum); ordnum++ ; } else printf( "\n\n \t No items ordered!!! \n\n" ); printf("\n\n\t\t Thank you for using C Fashion!!!"); } while(i<30); print_report(i, cost_id, sweater, t_shirt, shrt, slack, total, pay_method); return 0; } /-------------------------------------------------------------------------------------------------------/ /* Function 1 / int validate_id() { do{ printf("\n Please enter your costumer identification number or \"-1\" to exit. \n"); scanf("%d", cost_id); if (cost_id >= 1 && cost_id <= 100) { printf("You entered %d\n", cost_id); return (cost_id); } else if (cost_id == -1) return (-1); else {printf("Invalid costumer identification number");} } while (cost_id > -1 && cost_id > 100 ); } / Function 2 / float calculate_order(int 30, int a[], int b[], int c[], int d[]) { total[i]={0}; total[i] = total[i] + (150 a[i]) + (100 * b[i]) + (120 * c[i]) + (200 * d[i]) ; return total[i]; } /* Function 3 / void print_report(int i, int cost_id[], int sweater[], int t_shirt[], int shrt[], int slack[], float total[], char pay_method[]) { printf("%20s%20s%20s%20s%20s%20s%20s\n", "customer id", "sweaters", "t-shirts", "shorts", "slacks", "total($)", "form of payment"); for(i=0; i < 30; i++) printf("%20d%20d%20d%20d%20d%20.2f%20s\n", cost_id[i], sweater[i], t_shirt[i], shrt[i], slack[i], total[i], pay_method[i]); } / End of Program / #include <stdio.h> #include <string.h> int order, paymet, ordnum=1, wrngpay; int sweater[30], t_shirt[30], shrt[30], slack[30]; float swtot, tshtot, shrtot, slatot; float total[30]; int validate_id(void); int i, cost_id[30]; float calculate_order(int, int[], int[], int[], int[]); char pay_method; void print_report(int, int[], int[], int[], int[], int[], float[], char[]); main() { printf( " \n Welcome to C Fashion! \n " ); for(i =0;i<30; ++i) do{ validate_id(); for(; validate_id() != -1; ) printf("\n Welcome, Costumer # %d \n", cost_id); printf("\n\n\tProduct\t\tCost per Box\n"); printf("\n\t Sweaters \t$150\n"); printf("\n\t T-Shirts \t$100\n"); printf("\n\t Shorts \t$120\n"); printf("\n\t Slacks \t$200\n"); printf( " \n Welcome, Costumer # %d \n" , cost_id ); printf( "\n Please enter the number of sweaters you would like to order: " ) ; scanf( "%d", &sweater[i] ); printf( " You have ordered %d sweaters. \n" , sweater); printf( "\n Please enter the number of t-shirts you would like to order: " ); scanf( "%d", &t_shirt[i] ); printf( " You have ordered %d t-shirts. \n" , t_shirt ); printf( "\n Please enter the number of shorts you would like to order: " ) ; scanf( "%d", &shrt[i] ); printf( " You have ordered %d shorts. \n" , shrt ); printf( "\n Please enter the number of slacks you would like to order: " ) ; scanf( "%d", &slack[i] ); printf( " You have ordered %d slacks. \n \n" , slack ); if ( sweater \|\| t_shirt \|\| shrt \|\| slack ) { order = 1; } else order = 0; if (order) { do { printf("\n Select one of the following methods of payment\n"); printf("\n1\tCheck or money order\n2\tBank Transfer\n3\tCredit Card"); printf("\nEnter your selection: "); scanf("%d", &paymet); switch (paymet) { case 1: wrngpay = 0; pay_method[i]="Check or money order"; break; case 2: wrngpay = 0; pay_method[i]="Bank Transfer"; break; case 3: wrngpay = 0; pay_method[i]="Credit Card"; break; default: wrngpay = 1; printf("\n This is not a valid option"); } } while (wrngpay); printf("\nCustomer: #%d\n\n", cost_id); swtot = sweater 150 ; tshtot = t_shirt * 100 ; shrtot = shrt * 120 ; slatot = slack * 200 ; printf("%20s%10s%10s\n", "Product", "Boxes", "Cost"); if (sweater) printf("%20s%10d%10.2f\n", "Sweaters", sweater, swtot); if (t_shirt) printf("%20s%10d%10.2f\n", "T-shirts", t_shirt, tshtot); if (shrt) printf("%20s%10d%10.2f\n", "Shorts", shrt, shrtot); if (slack) printf("%20s%10d%10.2f\n", "Slacks", slack, slatot); printf("\n The for total for your order is: $ %.2f\n", calculate_order(i, sweater, t_shirt, shrt, slack); printf("\n\n \t\tMethod of Payment: %s\n", pay_method[i] ); printf("\n\n \t\tEnd of order #%d \n\n", ordnum); ordnum++ ; } else printf( "\n\n \t No items ordered!!! \n\n" ); printf("\n\n\t\t Thank you for using C Fashion!!!"); } while(i<30); print_report(i, cost_id, sweater, t_shirt, shrt, slack, total, pay_method); return 0; } /-------------------------------------------------------------------------------------------------------/ /* Function 1 / int validate_id() { do{ printf("\n Please enter your costumer identification number or \"-1\" to exit. \n"); scanf("%d", cost_id); if (cost_id >= 1 && cost_id <= 100) { printf("You entered %d\n", cost_id); return (cost_id); } else if (cost_id == -1) return (-1); else {printf("Invalid costumer identification number");} } while (cost_id > -1 && cost_id > 100 ); } / Function 2 / float calculate_order(int 30, int a[], int b[], int c[], int d[]) { total[i]={0}; total[i] = total[i] + (150 a[i]) + (100 * b[i]) + (120 * c[i]) + (200 * d[i]) ; return total[i]; } /* Function 3 / void print_report(int i, int cost_id[], int sweater[], int t_shirt[], int shrt[], int slack[], float total[], char pay_method[]) { printf("%20s%20s%20s%20s%20s%20s%20s\n", "customer id", "sweaters", "t-shirts", "shorts", "slacks", "total($)", "form of payment"); for(i=0; i < 30; i++) printf("%20d%20d%20d%20d%20d%20.2f%20s\n", cost_id[i], sweater[i], t_shirt[i], shrt[i], slack[i], total[i], pay_method[i]); } / End of Program */ All help is appreciated.

Nov 19th, 2005, 7:56 PM	#2
DaWei Resident Grouch Join Date: Jun 2005 Posts: 6,453 Rep Power: 10	Please read a "how to ask a question" thread. You have told us nothing helpful, only that you have some errors and are frustrated. That describes most questioners. Describe what your program is to do (rather than make us inspect closely, and guess), how it is failing to meet your expectations, what compiler errors or linker errors you are getting, even what compiler, OS, and platform you are using. In other words, help us help you in a sensible and, hopefully, more productive way. You will find the "How to post..." thread and the forum's FAQ/rules at the very top of the postings. __________________ Abstraction doesn't make it impossible to write bad code; it makes it possible to write superior code. Contributor's Corner: Grumpy on C++ Exceptions DaWei on Pointers

Nov 19th, 2005, 8:02 PM	#3
grumpy Programming Guru Join Date: Jun 2005 Location: Adelaide, South Australia Posts: 1,209 Rep Power: 5	As Dawei said, you really need to do some work on asking a question in a way that makes it more likely that people can answer, or are willing to answer. On a quick skim, your compiler will be complaining bitterly about your code. And I am not inclined to do more than a quick skim unless you put in more effort to understanding what is going wrong for yourself. As a rough rule, the best way to handle things when a compiler chokes is to fix the cause of the first error (or warning) first. The reason for this is that early problems can confuse the compiler when it gets to subsequent code. In other words: don't try to start at the bottom of the list of errors from the compiler and work backwards. A couple of quick comments on specific problems in your code follow; 1) The test; (Toggle Plain Text) if ( sweater \|\| t_shirt \|\| shrt \|\| slack ) { order = 1; } if ( sweater \|\| t_shirt \|\| shrt \|\| slack ) { order = 1; } will always give a true result as the variables are arrays. Equivalence of pointers and arrays guarantees this. Most compilers will give some warning. In any event, I doubt this test is doing what you want (although I can't work out what you are trying to do). Later tests of the form (Toggle Plain Text) if (sweater) ... if (sweater) ... have the same issue. 2) Having declared pay_method as a single char (i.e. a single byte), the assignment (Toggle Plain Text) pay_method[i] = "A string"; pay_method[i] = "A string"; is guaranteed to choke your compiler. You probably intend something like; (Toggle Plain Text) char pay_method[some_suitable_length]; /* and later / strcpy(pay_method, "A string"); char pay_method[some_suitable_length]; / and later */ strcpy(pay_method, "A string");

Nov 20th, 2005, 12:51 AM	#4
bl00dninja Programming Guru Join Date: Oct 2004 Location: namespace std Posts: 1,246 Rep Power: 5	try this: give the specific errors you're getting... use these guys here: "/" and "/" a little more often. __________________ i put on my robe and wizard hat... Have you ever heard of Plato, Aristotle, Socrates?...Morons.

Nov 20th, 2005, 12:26 PM	#6
DaWei Resident Grouch Join Date: Jun 2005 Posts: 6,453 Rep Power: 10	Did you read Grumpy's response at all? If you don't quite understand what he pointed out, post back; mention what, specifically, bumfoozled you. Do read the "How to Post..." thread; there be good tips there. When it comes to debugging, information is key. When it comes to getting help, information is key. Take a deep breath and realize that we are looking at your problem through YOUR eyes and intellect, not through a crystal ball. __________________ Abstraction doesn't make it impossible to write bad code; it makes it possible to write superior code. Contributor's Corner: Grumpy on C++ Exceptions DaWei on Pointers

Nov 21st, 2005, 3:17 AM	#7
The Dark Expert Programmer Join Date: Jun 2005 Posts: 825 Rep Power: 4	Dawei: linuxpimp20 != hamacacolgante

Nov 21st, 2005, 5:36 AM	#8
grumpy Programming Guru Join Date: Jun 2005 Location: Adelaide, South Australia Posts: 1,209 Rep Power: 5	I'll take pity. The first warning is with this line; (Toggle Plain Text) printf("\n Welcome, Costumer # %d \n", cost_id); printf("\n Welcome, Costumer # %d \n", cost_id); gcc is actually a good compiler; compilers are NOT actually required to help you with this sort of error. The reason for the warning is that %d suggests the argument after the format string is an int. But cost_id is an array of 30 int's, which the compiler will pass to printf() as a pointer. Presumably the intent is to print one of the elements of the cost_id array. There will be a logic behind each and every warning or error emitted by any compiler. I've given one example to get you started. Now you just need to go through every warning, work out what the offending code is doing wrong. Then, assuming you understand what you are trying to do with each offending line of code, you can work out how you should rewrite it. One thing to remember is that a compiler cannot read your mind. It interprets the code quite literally.

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)

Thread Tools
Show Printable Version Email this Page
Display Modes
Switch to Linear Mode Hybrid Mode Switch to Threaded Mode

Programming Forums > Application Development > C

HELP please!!!