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check ttl value and reverse list order

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tomoron
2025-04-25 23:26:08 +02:00
parent 149ab9e725
commit 621b9fc4ee
2 changed files with 43 additions and 5 deletions
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47
srcs/ft_ping.c
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@ -6,7 +6,7 @@
/* By: tomoron <tomoron@student.42angouleme.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/04/24 00:03:56 by tomoron #+# #+# */
/* Updated: 2025/04/25 23:05:43 by tomoron ### ########.fr */
/* Updated: 2025/04/25 23:25:43 by tomoron ### ########.fr */
/* */
/* ************************************************************************** */
@ -70,7 +70,10 @@ void parse_opt(int *i, t_settings *set, int argc, char **argv)
else if(!strcmp(argv[*i], "-w") || !strncmp(argv[*i], "--timeout", 9))
set->timeout = get_setting(i, argc, argv, 9);
else if(!strncmp(argv[*i], "--ttl", 5))
{
set->ttl = get_setting(i, argc, argv, 5);
set->setTtl = 1;
}
else if(!strcmp(argv[*i], "-f") || !strcmp(argv[*i], "--flood"))
set->flood = 1;
else if(!strcmp(argv[*i], "-n") || !strcmp(argv[*i], "--numeric"))
@ -80,19 +83,25 @@ void parse_opt(int *i, t_settings *set, int argc, char **argv)
fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], argv[*i]);
set->err = 1;
}
(*i)++;
}
int add_host(t_settings *res, char *host)
{
t_host_list *new;
t_host_list *tmp;
new = malloc(sizeof(t_host_list));
if(!new)
return(0);
new->host = host;
new->next = res->hosts;
res->hosts = new;
new->next = 0;
tmp = res->hosts;
while(tmp && tmp->next)
tmp = tmp->next;
if(tmp)
tmp->next = new;
else
res->hosts = new;
return(1);
}
@ -102,12 +111,37 @@ void free_hosts(t_host_list *list)
while(list)
{
printf("free : %s\n", list->host);
tmp = list->next;
free(list);
list = tmp;
}
}
void init_defaults(t_settings *set)
{
set->count = -1;
set->timeout = -1;
}
int check_values(t_settings *set, char *name)
{
if(set->setTtl)
{
if(set->ttl == 0)
{
fprintf(stderr, "%s: option value too small: %d\n", name, set->ttl);
return(0);
}
else if (set->ttl >= 256)
{
fprintf(stderr, "%s: option value too big: %d\n", name, set->ttl);
return(0);
}
}
return(1);
}
t_settings parse_args(int argc, char **argv)
{
int i;
@ -115,6 +149,7 @@ t_settings parse_args(int argc, char **argv)
i = 1;
bzero(&res, sizeof(t_settings));
init_defaults(&res);
while(i < argc)
{
if(*argv[i] == '-')
@ -127,7 +162,9 @@ t_settings parse_args(int argc, char **argv)
return(res);
}
}
i++;
}
check_values(&res, argv[0]);
return(res);
}
@ -146,6 +183,6 @@ int main(int argc, char **argv)
fprintf(stderr, "%s: missing host operand\n", argv[0]);
return(64);
}
free_hosts(settings.hosts);
return(0);
}

1
srcs/includes/ft_ping.h
View File

@ -41,6 +41,7 @@ typedef struct s_settings
short flood; // -f (--flood)
short no_resolve; //-n (--numeric)
int ttl; // --ttl
short setTtl; // is ttl set
short stop;
short err;