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handler_env.c
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handler_env.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* handler_env.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: fulloa-s <fulloa-s@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/09/21 15:38:16 by fulloa-s #+# #+# */
/* Updated: 2021/10/27 10:45:14 by fulloa-s ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
int ft_control_env(char **cmd)
{
int i;
int y;
y = 0;
while (cmd && cmd[y])
{
i = ft_strchr(cmd[y], '=');
if (i > 0 && ft_isprint(cmd[y][i - 1]) && ft_isprint(cmd[y][i + 1]))
y++;
else
return (y);
}
return (-1);
}
int handler_env2(t_term *term, char **old_tmp, char **new_tmp)
{
t_list *tmp;
tmp = term->env;
while (tmp)
{
if (!ft_strncmp(tmp->old_word, *old_tmp, ft_strlen(*old_tmp)) && \
tmp->old_word[ft_strlen(*old_tmp)] == '\0' && \
(*old_tmp)[ft_strlen(*old_tmp)] == '\0')
{
free(tmp->new_word);
tmp->new_word = ft_strdup(*new_tmp);
tmp->new_word[ft_strlen(*new_tmp)] = '\0';
free(*old_tmp);
free(*new_tmp);
return (1);
}
tmp = tmp->next;
}
tmp = ft_lstnew(*old_tmp, *new_tmp);
ft_lstadd_back(&term->env, tmp);
return (0);
}
void handler_env3(char **old_tmp, char **new_tmp, char *cmd, int i)
{
*old_tmp = malloc(sizeof(char) * (i + 1));
ft_memcpy(*old_tmp, cmd, i);
(*old_tmp)[i] = '\0';
*new_tmp = malloc(sizeof(char) * (ft_strlen(cmd) - i));
ft_memcpy(*new_tmp, cmd + i + 1, ft_strlen(cmd) - i);
(*new_tmp)[ft_strlen(*new_tmp)] = '\0';
}
int handler_env(t_term *term, char **cmd_d, int pos)
{
int i;
char *old_tmp;
char *new_tmp;
char *cmd;
if (pos > 0 && (ft_control_env(term->cmd[pos]) == -1))
return (3);
handler_dollar(term, cmd_d);
cmd = *cmd_d;
i = ft_strchr(cmd, '=');
if (i > 0 && ft_isprint(cmd[i - 1]) && ft_isprint(cmd[i + 1]))
{
if (pos != -1 && (ft_control_env(term->cmd[pos]) != -1))
return (2);
handler_env3(&old_tmp, &new_tmp, cmd, i);
if (handler_env2(term, &old_tmp, &new_tmp))
return (1);
free(old_tmp);
free(new_tmp);
return (1);
}
return (0);
}
unsigned int numbletter_orig(char const *s, char c)
{
unsigned int i;
i = 0;
while (s[i])
{
if (s[i] == '\0')
return (i);
else if (s[i] != c && (s[i + 1] == c || s[i + 1] == '\0'))
return (i + 1);
i++;
}
return (i);
}