#include<stdlib.h>
#include<stdio.h>
#include<string.h>
//This program is a sorting application that reads a sequence of numbers from a file and prints them on the screen . The reading from the file here , is a call back function .
typedef int (*CompFunc)(const char* , const char*);
typedef int (*ReadCheck)(char nullcheck);
int array[100];
//Let this function be done in the library itself . It doesn't care as to where the compare function and how is it implemented . Meaning suppose the function wants to do sort in ascending order or in descending order then the changes have to be done by the client code in the "COMPARE" function who will be implementing the lib code .
void ReadFile(FILE *fp,ReadCheck rc)
{
char a;
char d[100];
int count = 0,count1=0,k;
a=fgetc(fp);
while (1 !=(*rc)(a))
{ if(a==' ')
{
d[count1]='\0';
array[count]=atoi(d);
count=count+1;
printf("%s \n",d);
memset(d,'\0',100);
count1=0;
}
else
{
d[count1]=a;
count1=count1+1;
}
a=fgetc(fp);
}
}
void Bubblesort(char* array , int size , int elem_size , CompFunc cf)
{ int i,j,k;
int *temp;
for(i=0;i < size ;i++)
{
for (j=0;j < size -1 ; j++)
{
// make the callback to the comparision function
if(1 == (*cf)(array+j*elem_size,array+ (j+1)*elem_size))
{
//interchanging of elements
temp = malloc(sizeof(char *) * elem_size);
memcpy(temp , array+j*elem_size,elem_size);
memcpy(array+j*elem_size,array+(j+1)*elem_size,elem_size);
memcpy(array + (j+1)*elem_size , temp , elem_size);
free(temp);
}
}
}
}
//Let these functions be done at the client side
int Compare(char* el1 , char* el2)
{
int element1 = *(int*)el1;
int element2 = *(int*)el2;
if(element1 < element2)
return -1;
if(element1 > element2)
return 1 ;
return 0;
}
int ReadChecked(char nullcheck)
{
if (nullcheck=='\n')
return 1;
else
return 0;
}
int main()
{
FILE *fp1;
int k;
fp1=fopen("readdata.txt","r");
ReadFile(fp1,&ReadChecked);
printf("before sorting \n");
for (k=0;k<6;k++)
printf("%d \n",array[k]);
Bubblesort((char*)array,5,sizeof(array[0]),&Compare);
printf("after sorting \n");
for (k=0;k<5;k++)
printf("%d \n",array[k]);
return 0;
}
이 코드를 실행할 때 오류가 발생하지 않습니다. 몇 가지 경고 외에도 다른 시스템에서 실행하면 코드가 충돌합니다. 왜 그런지 알 겠어?이 C 코드의 오류는 어디에 있으며 경고를 제거하는 방법은 무엇입니까?
오류가 82 행에 있습니다.) (줄을 나타낼 수 있습니까, 제발 코드에서 줄 수를 셀 수 없습니다.) –