(C programming)I have been trying for the past hours to sort a struct array with 10 elements. However I did not understand much at the sites where I looked for more information. Can anyone solve this, or at least give me a start.
Here is an example from the textfile im using:
82476,Watermelon Dorado Double India Pale Ale,31.90,355.00,Ale brittisk-amerikansk stil,Imperial/Dubbel IPA,Flaska,USA,Ballast Point Brewing,10.00
And here is my code:
Code:
void listanr(void)
{
char *oneline, *tok;
char envara[512];
char delim[] = ",";
FILE *fp;
int i;
struct vara
{
int nummer;
char namn[100];
float pris;
float volym;
char typ[100];
char stil[100];
char forpackning[20];
char land[20];
char producent[50];
float alkoholhalt;
} items[100];
if ((fp = fopen("varor.csv", "r")) == NULL)
{
fprintf(stderr, "Filen varor.csv gick inte att öppna\n");
exit(-1);
}
for (i = 0; i < 100 && fgets(envara, 512, fp); i++)
{
envara[strlen(envara) - 1] = '\0';
oneline = strdup(envara);
tok = strtok(oneline, delim);
items[i].nummer = atoi(tok);
tok = strtok(NULL, delim);
strncpy(items[i].namn, tok, (max(strlen(tok), sizeof(items[0].namn))));
tok = strtok(NULL, delim);
items[i].pris = atof(tok);
tok = strtok(NULL, delim);
items[i].volym = atof(tok);
tok = strtok(NULL, delim);
strncpy(items[i].typ, tok, strlen(tok));
tok = strtok(NULL, delim);
strncpy(items[i].stil, tok, strlen(tok));
tok = strtok(NULL, delim);
strncpy(items[i].forpackning, tok, strlen(tok));
tok = strtok(NULL, delim);
strncpy(items[i].land, tok, min(strlen(tok), sizeof(items->land)));
tok = strtok(NULL, delim);
strncpy(items[i].producent, tok, strlen(tok));
tok = strtok(NULL, delim);
items[i].alkoholhalt = atof(tok);
printf("nummer: %d\n"
"namn: %s\n"
"pris: %f\n"
"volym: %f\n"
"typ: %s\n"
"stil: %s\n"
"forpackning: %s\n"
"land: %s\n"
"producent: %s\n"
"alkoholhalt: %f\n\n",
items[i].nummer,
items[i].namn,
items[i].pris,
items[i].volym,
items[i].typ,
items[i].stil,
items[i].forpackning,
items[i].land,
items[i].producent,
items[i].alkoholhalt
);
free(oneline);
}
fclose(fp);
}