int view(int argc, char **argv)
{
if (argc < 2) return view_help();
int c;
char *in = NULL, *out = NULL;
int i_is_set = 0,
r_is_set;
int record_id = -1;
while ((c = getopt (argc, argv, "hi:r:")) != -1) {
switch (c) {
case 'i':
i_is_set = 1;
in = optarg;
break;
case 'r':
r_is_set = 1;
record_id = atoi(optarg);
break;
case 'h':
view_help();
return 1;
case '?':
if (optopt == 'i')
fprintf (stderr, "Option -%c requires an argument.\n",
optopt);
else if (isprint (optopt))
fprintf (stderr, "Unknown option `-%c'.\n", optopt);
else
fprintf (stderr, "Unknown option character `\\x%x'.\n", optopt);
return view_help();
default:
return view_help();
}
}
char *type = argv[0];
if (i_is_set == 0) {
fprintf(stderr, "Input file is not set\n");
return view_help();
}
if (strcmp(type, "plt") == 0) return view_plt(in);
else if (strcmp(type, "ubin") == 0) return view_ubin(in, record_id);
else if (strcmp(type, "wahbm") == 0) return view_wahbm(in);
return 1;
}
int main(int argc,char *argv[])
{
if(argc>1)
{
if(!strcmp(argv[1],"-h"))
view_help();
}
int records = 0, i;
char *string;
struct students *person;
do {
string = (char *) calloc(5, sizeof(char));
person = (struct students*) calloc(5, sizeof(struct students));
} while (!person && !string);
puts("ATTENCION: maximum length of record cannot exceed 19 symbols");
while (records < 5) {
input(person, records);
records++;
puts("enter stop to quit");
fgets(string,5,stdin);
if(strcmp(string,"stop")==0)
break;
}
if (records == 5)
puts("you can enter only 5 persons");
show_students(person,records);
return 0;
}
