Question

I am trying to write from file to structure in C. Whenever I try to assign value in structure it gives me error: incompatible types in assignment.

My structure looks like this:

struct competition{
char eventTitle[79];
char date[79];
char time[79];
};

Basically I want to open the file and assign individual line to different value in structure. ie. first line in file -> eventTitle, second line -> date, third line -> time.

Here is how I try to assign it:

FILE *naDaSt;
char *mode = "r";
int lines = 0;
char line[79], current[79];


naDaSt = fopen(nameDateStart, mode);
if(naDaSt == NULL){
    printf("Can't find the files.");
    exit(1);
}else{
    struct competition comp, *p;
    p = ∁
    while(fgets(line, 79, naDaSt)){
        lines++;
        if(lines == 1){
            p->eventTitle= line;
        }
        if(lines == 2){
            p->date = line;
        }
        if(lines == 3){
            p->time = line;
        }
    }
}    

}

Could anyone help me?

Answer 1

Root Cause:

You cannot do this:

        p->eventTitle = line;
        p->date = line;
        p->time = line;

You are trying to assign arrays using assignment which cannot be done, arrays need to be copied. The compiler rightly reports the error:

error: incompatible types in assignment

because indeed the type you are trying to assign are incompatible.

Solution:

Instead, You need to use strcpy and copy the character arrays and not assign them.