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About sponsors(Japanese)

created by

anonymous

51 seconds ago

​x
        *arrPersons = (Person*)realloc(*arrPersons, capacity*sizeof(Person));
 
#include <stdio.h>
#include <stdlib.h>
#define MAX_LENGTH_LINE 1
#define CAPACITY 1
int capacity;
​
typedef struct Person
{
    char name[1024];
    long id;
    float age;
} Person;
​
int assignInputPeople(Person **arrPersons,  FILE *inputPeople);
​
    int main(int argc, char *argv[])
{
    FILE *inputPeople = fopen(argv[1], "r");
    Person *arrPersons = NULL;
    if (assignInputPeople(&arrPersons, inputPeople) == EXIT_FAILURE)
    {
        return EXIT_FAILURE;
    }
​
        return 0;
}
​
void junk(){

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$ gcc prog.c -Wall -Wextra -std=c89 -pedantic

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prog.c: In function 'main':
prog.c:16:18: warning: unused parameter 'argc' [-Wunused-parameter]
   16 |     int main(int argc, char *argv[])
      |              ~~~~^~~~
prog.c: In function 'junk':
prog.c:31:2: warning: unused variable 'arrPersons' [-Wunused-variable]
   31 | *arrPersons = (Person*)malloc(10 * sizeof(Person));
      |  ^~~~~~~~~~
prog.c: In function 'assignInputPeople':
prog.c:43:31: warning: format '%s' expects argument of type 'char *', but argument 4 has type 'long int *' [-Wformat=]
   43 |         sscanf(fileLine, "%s %s %s", arrPersons[counter]->name,&ID,
      |                              ~^                                ~~~
      |                               |                                |
      |                               char *                           long int *
      |                              %ld
prog.c:43:34: warning: format '%s' expects argument of type 'char *', but argument 5 has type 'float *' [-Wformat=]
   43 |         sscanf(fileLine, "%s %s %s", arrPersons[counter]->name,&ID,
      |                                 ~^
      |                                  |
      |                                  char *
      |                                 %e
   44 |             &ageF);
      |             ~~~~~                 
      |             |
      |             float *

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