t_env *put_in_list(t_env *root, char *param)
{
t_env *new_env;
if ((new_env = (t_env *)malloc(sizeof(t_env))) == NULL)
return ((t_env *)ft_error_null("Error, couldn't malloc\n"));
new_env->num = root->prev->num + 1;
new_env->prev = root->prev;
new_env->next = root;
root->prev->next = new_env;
root->prev = new_env;
if (!(new_env->var = ft_strdup(param)))
return ((t_env *)ft_error_null("Error, couldn't strdup\n"));
new_env->pos = -1;
return (new_env);
}
void ft_lstiter(t_list *lst, void (*f) (t_list *elem))
{
if (!(lst) || !(f))
ft_error_null("ft_lstiter");
else
while (lst)
{
f(lst);
lst = lst->next;
}
}
char *ft_malloc(int size)
{
int i;
char *str;
i = 0;
str = malloc(size);
if (str == NULL)
return (ft_error_null("Fail malloc"));
while (i < size)
str[i++] = '\0';
return (str);
}
t_env *get_root(void)
{
t_env *root;
if ((root = (t_env *)malloc(sizeof(t_env))) == NULL)
return ((t_env *)ft_error_null("Error, couldn't malloc\n"));
root->next = root;
root->prev = root;
root->var = NULL;
root->pos = 1;
root->num = 0;
return (root);
}
int ft_strequ(char const *s1, char const *s2)
{
size_t count;
count = 0;
if (!(s1) || !(s2))
return ((int)ft_error_null("ft_strequ"));
while (s1[count] && s2[count])
{
if (s1[count] != s2[count])
return (0);
count++;
}
return (1);
}
char *ft_realloc(char *cmd, int size)
{
int i;
char *new_cmd;
i = 0;
new_cmd = malloc(size);
if (new_cmd == NULL)
return (ft_error_null("Fail malloc()"));
while (cmd[i])
{
new_cmd[i] = cmd[i];
i++;
}
while (i < size)
new_cmd[i++] = '\0';
free(cmd);
return (new_cmd);
}
char *ft_strmapi(char const *s, char (*f) (unsigned int, char))
{
char *str;
unsigned int i;
i = -1;
if (!s || !f)
{
ft_error_null("ft_strmapi");
return (NULL);
}
if ((str = ft_strnew(ft_strlen(s))))
{
while (s[++i])
str[i] = f(i, s[i]);
return (str);
}
ft_error_malloc("ft_strmapi");
return (NULL);
}
