user2675010
user2675010

Reputation:

Segmentation fault: 11 c structures

I have an array of structure records and a function insert to insert or update the records.

The insert function take list(an array of records),name (book name),author, year,copies and size n of the list

It updates the record if it find's one otherwise inserts a new one. here n=7

void insert(struct books *list,char name[],char author[],int year,int copies,int n)
{
    int i,found=0,empty;

    for(i=0;(i<n) && (found==0);i++)
    {
        // update works fine
        if( strcmp(name,list[i].name)==0 && strcmp(author,list[i].author)==0 )
        {
            list[i].copies=copies;
            list[i].year=year;
            printf("\n\n####################################################\n");
            printf("####\tRecord was successfully updated!\t####\n");
            printf("####################################################\n");
            found=1;
        }
        //get an empty record
        if(strcmp(list[i].author,"i")==0){empty=i;}
    }

    //insert gives segmentation error
    if(found==0)
    {
        strcpy(list[empty].name,name);
        strcpy(list[empty].author,author);
        list[empty].year=year;
        list[empty].copies=copies;

        printf("\n\n####################################################\n");
        printf("####\tRecord was successfully inserted!\t####\n");
        printf("####################################################\n");
    }
}  

My list array is:

A
Ruby On Rails
2004
100
B
Inferno
1993
453
C
Harry Potter and the soccers stones
2012
150
D
Harry Potter and the soccers stone
2012
150
E
Learn Python Easy Way
1967
100
F
Ruby On Rails
2004
130
i
i
0
0  

Why is it giving Segmentation error: 11?

Upvotes: 0

Views: 259

Answers (1)

mrudult
mrudult

Reputation: 2570

Probably you need to initialize empty. Do

empty=0;

And really, SO is not a debugging service. So stop asking questions like this.

Upvotes: 3

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