c - 获取输入并将其分配给指针数组中的结构，指向每个结构。

Question

我试图将输入分配给带有指针数组的多个结构，指向每个分配的结构。我一直在尝试填充一种结构并打印它，但不断出现错误并且无法找出原因。有任何想法吗？

感谢您的帮助。

/* Structure declaration */

struct personCatalog {
  char name[50];
  char address[50];
  char cityState[50];
  char zipCode[7];
} ;

//function to fill structures

void getPerson (struct personCatalog *ArrayOfPointers[]);

   int main(int argc, const char * argv[])
 {

struct personCatalog *pointerArray[51]; 

getPerson(pointerArray);

 }

void getPerson (struct personCatalog *ArrayOfPointers[]){

struct personCatalog *tempPointer;

char stringCollector[512];

int maxNumberOfPeople = 51;
int num = 0;

while ((gets(stringCollector) != NULL) && (num < maxNumberOfPeople)) {

    tempPointer = (struct personCatalog *) malloc(sizeof(struct personCatalog));
    strcpy(tempPointer->name, stringCollector);
    gets(tempPointer->address);
    gets(tempPointer->cityState);
    gets(tempPointer->zipCode);

    ArrayOfPointers[num] = tempPointer;

    num++;

    printf("%s", ArrayOfPointers[num]->name);
    printf("%s", ArrayOfPointers[num]->address);
    printf("%s", ArrayOfPointers[num]->cityState);
    printf("%s", ArrayOfPointers[num]->zipCode);

}

 ArrayOfPointers[num] = '\0';
}

Answer 1

稍微修正了一下，尝试一下，但还有更多工作要做......

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* Structure declaration */

struct personCatalog {
  char name[50];
  char address[50];
  char cityState[50];
  char zipCode[7];
} ;
const int maxNumberOfPeople = 3; // was 51;

//function to fill structures

void getPerson (struct personCatalog *ArrayOfPointers[]);

int main(int argc, const char * argv[]) {

  struct personCatalog *pointerArray[maxNumberOfPeople];

  getPerson(pointerArray);

}

void getPerson (struct personCatalog *ArrayOfPointers[]){
  struct personCatalog *tempPointer;
  char stringCollector[512];
  int num = 0;

  while ((num < maxNumberOfPeople) && (gets(stringCollector) != 0) ) {

    tempPointer = (struct personCatalog *) malloc(sizeof(struct personCatalog));
    strcpy(tempPointer->name, stringCollector);
    gets(tempPointer->address);
    gets(tempPointer->cityState);
    gets(tempPointer->zipCode);

    ArrayOfPointers[num] = tempPointer;


    printf("name      %s\n", ArrayOfPointers[num]->name);
    printf("address   %s\n", ArrayOfPointers[num]->address);
    printf("cityState %s\n", ArrayOfPointers[num]->cityState);
    printf("zipCode   %s\n", ArrayOfPointers[num]->zipCode);

    num++;
  }
  //ArrayOfPointers[num] = '\0'; this crashed at end of array
}