~laumann/C

1b9f5d8ee952b286d7477a7c80b5aded278cfbd8 — Thomas Bracht Laumann Jespersen 9 years ago aedfbf3
Changed login program.
1 files changed, 29 insertions(+), 13 deletions(-)

M begin/login.c
M begin/login.c => begin/login.c +29 -13
@@ 6,6 6,8 @@
#include <unistd.h>

#define ARRAYSIZE(x)	((sizeof(x)/sizeof(*x))-1)
#define NO_USER		(struct user_s){0,0}


struct user_s {
	char *name, *pass;


@@ 16,8 18,10 @@ main(int argc, char **argv)
{
	char *name = (char*)malloc(BUFSIZ*sizeof(char));
	char *pass = (char*)malloc(BUFSIZ*sizeof(char));
	struct user_s user = NO_USER;

	struct user_s users[] = {
	/* Set up users */
	const struct user_s users[] = {
		{ "Thomas", "acidophilus" },
		{ "Diana" , "semnificant" },
		{ "Morten", "monsoon" },


@@ 28,21 32,30 @@ main(int argc, char **argv)

	scanf("%s", name);


/*	int c = getchar(), i = 0;
	for (;;) {
		c = getch();
		if (c == '\n' || c == EOF)
			break;
		*(pass + i++) = (char)c;
		putchar('\b');
		putchar('*');
	/* Look for the user */
	int i;
	for (i = 0; i < ARRAYSIZE(users); i++) {
		if (!strcmp(users[i].name, name)) {
			user = users[i];
			goto getpass;
		}
	}
*/
	goto wronguser;


getpass:
	pass = getpass("Please enter your password: ");

	printf("Got password '%s'\n", pass);
	if (!strcmp(user.pass, pass)) {
		printf("Successfully logged in as: %s\n", name);
		exit(0);
	} else {
		printf("Wrong password for user %s\n", name);
		exit(1);
	}

	/*
	int i;
	for (i = 0 ; i < ARRAYSIZE(users); i++)
		if (!strcmp(users[i].name, name)) {


@@ 55,7 68,10 @@ main(int argc, char **argv)
				exit(1);
			}
		}
	
	printf("Login failed. User %s not found.\n", name);
	*/

wronguser:
	printf("Login failed. User '%s' not found.\n", name);
	exit(1);

}