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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* builtins_part_one.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: chuhlig <chuhlig@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/08/09 17:01:16 by chuhlig #+# #+# */
/* Updated: 2024/09/04 17:52:49 by chuhlig ### ########.fr */
/* */
/* ************************************************************************** */
#include "env.h"
int echo(char **av)//more or less done
{
int i;
int f;
i = 1;
f = 1;
if (av[1][0] == '\0')
{
write(1, "\n", 1);
return (1);
}
if (ft_strcmp(av[1], "-n"))
{
i++;
f = 0;
}
while (av[i])
{
write(1, &av[1], ft_strlen(av[i]));
i++;
}
if (f)
write(1, "\n", 1);
return (0);
}
int pwd(t_env **env, char *av) //done
{
t_env *current;
t_env *prev;
char *tmp;
current = env;
prev = NULL;
while (current)
{
if(ft_strcmp(current->name, av == 0))
break ;
prev = current;
current = current->next;
}
ft_printf("%s\n", current->value);
return (0);
}
int env(t_env **env)// here i need str env oder ich print es alles zusammen xD
{
t_env *current;
t_env *prev;
char *tmp;
current = env;
prev = NULL;
while (current)
{
ft_printf("%s\n", current->name);
prev = current;
current = current->next;
}
return (0);
}
int cd(t_env **env,char **av) // here also need to do the same again for envstrarr. dont like it
{
if(av[1] == NULL)
{
while (env[i] != NULL) // home command
{
if (ft_strncmp(env[i], "HOME=", 5) == 0)
break ;
i++;
}
// before chdir we need to update old pwd
// getcwd(cwd, sizeof(cwd));
// str = ft_strjoin("PWD= or old pwd=", cwd);
// env[i] = str;
if(chdir(env[i] + 5) == -1)
return;
}
else
//update old pwd
//
while (env[i] != NULL) // home command
{
if (ft_strncmp(env[i], "old PWD=", 5) == 0)
break ;
i++;
}
str = ft_strjoin("old pwd=", cwd);
env[i] = str;
//
chdir(av[1] == -1);
return ;
// udpate pwd
while (env[i] != NULL) // home command
{
if (ft_strncmp(env[i], "PWD=", 5) == 0)
break ;
i++;
}
str = ft_strjoin("PWD=", cwd);
env[i] = str;
}
// exit
int exit(char *av)
{
freenode free toke free sequence stop repl free env
clear history
}
//joar
//export
int export(char **av, t_env **env) // here also need to do the same again for envstrarr. dont like it
{
char *tmp;
if(tmp = ft_strchr(av[1], '='))
{
tmp = '\0';
t_env *current;
current = *env;
while(current)
{
if (strcmp(current->name, av[1]) == 0)
{
free(current->value);
current->value = ft_strdup(tmp + 1);
break;
}
current = current->next;
}
if (!current)
{
current = malloc(sizeof(t_env));
current->name = ft_strdup(av[1]);
current->value = ft_strdup(tmp + 1);
current->next = *env;
*env = current;
}
return (0);
}
else
syntax return 1;
}
//unset
//for unset as well check and for name part
int unset(char **av, t_env **env) // here also need to do the same again for envstrarr. dont like it
{
t_env *current;
t_env *prev;
char *tmp;
current = env;
prev = NULL;
tmp = ft_strchr(av[1], '=');
tmp = '\0';
while (current)
{
if(ft_strcmp(current->name, av[1] == 0))
break ;
prev = current;
current = current->next;
}
if(current)
{
if(prev)
prev->next = current->next;
else
*env = current->next
free(t_env);//need function for this
}
return (0);
}
void getenvlst(t_env **env, char **en)// seperated name and value
{
char *tmp;
int i;
t_env *current;
i = 0;
while (en[i] != NULL)
{
tmp = ft_strchr(en[i], '=');
tmp = '\0';
current = *env;
current = malloc(sizeof(t_env));
current->name = ft_strdup(en[i]);
current->value = ft_strdup(tmp + 1);
current->next = *env;
*env = current;
i++;
}
return (0);
}
void getenvlststr(t_env **env, char **en)//without serparation
{
int i;
size_t t;
t_env *current;
t = 0;
i = 0;
while (en[i] != NULL)
{
current = *env;
current = malloc(sizeof(t_env));
while(en[t] != '=')
t++;
current->name = ft_substr(en[i], 0, t);
current->value = ft_strdup(en[i]);
current->next = *env;
*env = current;
i++;
}
return (0);
}
//should name the list different
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