Files
minishell/srcs/alias.c
2024-02-21 13:15:46 +01:00

77 lines
1.9 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* alias.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: marde-vr <marde-vr@42angouleme.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/16 23:16:07 by marde-vr #+# #+# */
/* Updated: 2024/02/21 13:12:07 by marde-vr ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
char *get_alias_name(t_cmd *arg)
{
int i;
char *res;
i = 0;
while (arg->token[i] && arg->token[i] != '=')
i++;
i++;
res = ft_calloc(i, 1);
ft_strlcpy(res, arg->token, i);
return (res);
}
char *get_alias_value(t_cmd *arg)
{
int i;
char *res;
i = 0;
while (arg->token[i] != '=')
i++;
i++;
res = ft_strdup(arg->token + i);
return (res);
}
void print_aliases(t_alias **aliases)
{
t_alias *cur_alias;
cur_alias = *aliases;
while (cur_alias)
{
ft_printf("alias %s=%s\n", cur_alias->name, cur_alias->value);
cur_alias = cur_alias->next;
}
}
int alias(t_cmd *args, t_alias **aliases)
{
char *name;
char *value;
if (!args->next || args->next->type != ARG)
print_aliases(aliases);
else
{
name = get_alias_name(args->next);
if (ft_strchr(args->next->token, '='))
{
value = get_alias_value(args->next);
*aliases = alias_add_back(*aliases, name, value);
}
else
{
ft_printf("alias %s=%s\n", name, get_alias(*aliases, name));
free(name);
}
}
return (0);
}