108 lines
2.5 KiB
C
108 lines
2.5 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* alias.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: marde-vr <marde-vr@42angouleme.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/02/16 23:16:07 by marde-vr #+# #+# */
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/* Updated: 2024/02/18 19:05:38 by marde-vr ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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char *get_alias_name(t_cmd *arg)
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{
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int i;
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char *res;
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i = 0;
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while (arg->token[i] && arg->token[i] != '=')
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i++;
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i++;
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res = ft_calloc(i, 1);
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ft_strlcpy(res, arg->token, i);
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return (res);
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}
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char *get_alias_value(t_cmd *arg)
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{
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int i;
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char *res;
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i = 0;
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while (arg->token[i] != '=')
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i++;
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i++;
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res = ft_strdup(arg->token + i);
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return (res);
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}
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int unalias(t_cmd *args, t_alias **aliases)
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{
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t_alias *alias;
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if (args->next && !ft_strcmp(args->next->token, "-a"))
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{
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free_alias(*aliases);
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*aliases = 0;
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return (0);
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}
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alias = *aliases;
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while (alias)
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{
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if (alias->next && args->next && !ft_strcmp(alias->next->name, args->next->token))
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{
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if (alias->next->next)
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alias->next = alias->next->next;
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else
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alias->next = 0;
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alias->next = 0;
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free_alias(alias);
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return (0);
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}
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if (alias->next)
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alias = alias->next;
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else
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alias = 0;
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}
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if (args->next && args->next->type == ARG)
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ft_printf("minishell: unalias: %s: not found\n", args->next->token);
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else
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ft_printf("unalias: usage: unalias name\n");
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return (1);
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}
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int alias(t_cmd *args, t_alias **aliases)
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{
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char *name;
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char *value;
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t_alias *cur_alias;
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cur_alias = *aliases;
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if (!args->next || args->next->type != ARG)
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{
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while (cur_alias)
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{
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ft_printf("alias %s=%s\n", cur_alias->name, cur_alias->value);
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cur_alias = cur_alias->next;
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}
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}
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else
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{
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name = get_alias_name(args->next);
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if (ft_strchr(args->next->token, '='))
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{
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value = get_alias_value(args->next);
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*aliases = alias_add_back(*aliases, name, value);
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}
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else
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{
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ft_printf("alias %s=%s\n", name, ft_get_alias(*aliases, name));
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free(name);
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}
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}
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return (0);
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}
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