140 lines
3.0 KiB
C
140 lines
3.0 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* var2.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: lderidde <lderidde@student.s19.be> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2025/02/11 15:36:27 by lderidde #+# #+# */
|
|
/* Updated: 2025/02/11 15:36:27 by lderidde ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "../../includes/minishell.h"
|
|
|
|
int get_var_index(char *key, t_msh *msh)
|
|
{
|
|
int i;
|
|
char *new_key;
|
|
|
|
new_key = ft_strjoin(key, "=");
|
|
if (!new_key)
|
|
return (-1);
|
|
i = 0;
|
|
while (msh->env[i])
|
|
{
|
|
if (ft_strncmp(msh->env[i], new_key, ft_strlen(new_key)) == 0)
|
|
{
|
|
free_null_ptr(new_key);
|
|
return (i);
|
|
}
|
|
else if (ft_strncmp(msh->env[i], key, ft_strlen(key)) == 0
|
|
&& (ft_strchr(msh->env[i], '=') == NULL
|
|
&& (ft_strlen(msh->env[i]) == ft_strlen(key))))
|
|
{
|
|
free_null_ptr(new_key);
|
|
return (i);
|
|
}
|
|
i++;
|
|
}
|
|
free_null_ptr(new_key);
|
|
return (-1);
|
|
}
|
|
|
|
int remove_env_var(char *key, t_msh *msh)
|
|
{
|
|
int i;
|
|
int j;
|
|
|
|
i = get_var_index(key, msh);
|
|
if (i == -1)
|
|
return (0);
|
|
j = i;
|
|
free_null_ptr(msh->env[i]);
|
|
while (msh->env[i + 1])
|
|
{
|
|
msh->env[i] = ft_strdup(msh->env[i + 1]);
|
|
free_null_ptr(msh->env[i + 1]);
|
|
j++;
|
|
i++;
|
|
}
|
|
msh->env = copy_env_var(msh->env, j);
|
|
if (msh->env)
|
|
return (1);
|
|
return (0);
|
|
}
|
|
|
|
void append_var(char *key, char *add, t_msh *msh)
|
|
{
|
|
int i;
|
|
char *tmp;
|
|
|
|
tmp = NULL;
|
|
i = get_var_index(key, msh);
|
|
if (i != -1)
|
|
{
|
|
tmp = ft_strjoin(msh->env[i], add);
|
|
ft_free(&(msh->env[i]));
|
|
msh->env[i] = ft_strdup(tmp);
|
|
}
|
|
else
|
|
{
|
|
i = count_var(msh->env);
|
|
msh->env = copy_env_var(msh->env, i + 1);
|
|
if (!msh->env)
|
|
return ;
|
|
if (add)
|
|
tmp = ft_strjoin("=", add);
|
|
msh->env[i] = ft_strjoin(key, tmp);
|
|
}
|
|
ft_free(&tmp);
|
|
return ;
|
|
}
|
|
|
|
void set_var_env(char *key, char *value, t_msh *msh)
|
|
{
|
|
int i;
|
|
char *tmp;
|
|
|
|
tmp = NULL;
|
|
i = get_var_index(key, msh);
|
|
if (value)
|
|
tmp = ft_strjoin("=", value);
|
|
if (value && !tmp)
|
|
return ;
|
|
if (i != -1 && msh->env[i])
|
|
{
|
|
free_null_ptr(msh->env[i]);
|
|
msh->env[i] = ft_strjoin(key, tmp);
|
|
}
|
|
else
|
|
{
|
|
i = count_var(msh->env);
|
|
msh->env = copy_env_var(msh->env, i + 1);
|
|
if (!msh->env)
|
|
return ;
|
|
msh->env[i] = ft_strjoin(key, tmp);
|
|
}
|
|
if (tmp && tmp[0])
|
|
free_null_ptr(tmp);
|
|
return ;
|
|
}
|
|
|
|
char **init_env(char **envp)
|
|
{
|
|
char **env;
|
|
int i;
|
|
|
|
i = 0;
|
|
env = malloc(sizeof(char *) * (count_var(envp) + 1));
|
|
if (!env)
|
|
return (NULL);
|
|
env[count_var(envp)] = NULL;
|
|
while (envp[i])
|
|
{
|
|
env[i] = ft_strdup(envp[i]);
|
|
i++;
|
|
}
|
|
return (env);
|
|
}
|