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merged builtin_env

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This commit is contained in:
Jack Halford 2017-03-21 22:09:49 +01:00
commit 06b2ad21ba
10 changed files with 72 additions and 122 deletions
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13
42sh/includes/builtin.h
View file

@ -19,6 +19,18 @@
# define BT_EXPORT_LP (1 << 0)
# define BT_ENV_LI (1 << 0)
# define BT_ENV_LU (1 << 1)
struct s_env_data
{
t_flag flag;
char **av_data;
char **custom_env;
};
typedef struct s_env_data t_env_data;
t_execf *is_builtin(t_process *p);
int builtin_return_status(int ret, int status);
int builtin_export(const char *path, char *const av[], char *const envp[]);
@ -38,6 +50,7 @@ int builtin_history(const char *path, char *const av[], char *const envp[]);
int builtin_hash(const char *path, char *const av[], char *const envp[]);
int builtin_math(const char *path, char *const av[], char *const envp[]);
int bt_env_geti(char ***av, t_env_data *data);
int error_msg(char *msg);
#endif

3
42sh/libft/src/sstr/ft_sstrdel.c
View file

@ -6,7 +6,7 @@
/* By: jhalford <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/11/03 18:04:07 by jhalford #+# #+# */
/* Updated: 2017/03/14 21:09:17 by jhalford ### ########.fr */
/* Updated: 2017/03/21 17:52:10 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
@ -22,4 +22,5 @@ void ft_sstrdel(char **sstr, int index)
sstr[i] = sstr[i + 1];
i++;
}
ft_strdel(sstr + index);
}

152
42sh/src/builtin/builtin_env.c
View file

@ -1,124 +1,64 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* builtin_env.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jhalford <jhalford@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/11/28 14:14:20 by jhalford #+# #+# */
/* Updated: 2017/03/21 01:14:41 by wescande ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
#define US_ENV "env [-i] [-u name] [name=value]... [utility [argument...]]"
static int env_usage(int arg_miss, char c)
#define ENV_USAGE "env [-i] [name=value]... [utility [argument...]]"
#define ENV_NOFILE "env: %s: No such file or directory"
#define ENV_NOPERM "env: %s: Permission denied"
t_cliopts g_env_opts[] =
{
if (arg_miss)
ft_dprintf(2, "{red}env: option requires an argument -- u{eoc}\n");
else if (c)
ft_dprintf(2, "{red}env: illegal option -- %c{eoc}\n", c);
ft_dprintf(2, "usage: %s\n", US_ENV);
{'i', NULL, BT_ENV_LI, 0, bt_env_geti},
{0, 0, 0, 0, 0},
};
int bt_env_geti(char ***av, t_env_data *data)
{
if (!av || !*av || !data)
return (1);
while (**av && ft_strchr(**av, '='))
{
data->custom_env = ft_sstradd(data->custom_env, **av);
++(*av);
}
static void env_freeone(char **env, char *arg)
{
int i;
char *tmp;
while (env && *env && (i = -1))
{
if (ft_strcmp(*env, arg) == '='
&& ft_strlen(arg) == ft_strlenchr(*env, '='))
{
tmp = *env;
while (*env)
{
*env = *(env + 1);
++env;
}
ft_strdel(&tmp);
return ;
}
++env;
}
}
static void env_replace(char ***custom_env, char *arg)
{
char **arg_split;
if ((arg_split = ft_strsplit(arg, '=')))
{
env_freeone(*custom_env, *arg_split);
ft_tabdel(&arg_split);
}
*custom_env = ft_sstradd(*custom_env, arg);
}
static int env_treat_flag(char ***custom_env, char *const *arg[])
{
char *tmp;
while (*(++*arg))
{
if (!ft_strcmp(**arg, "-i"))
{
tmp = ft_strjoin("PATH=", ft_getenv(*custom_env, "PATH"));
ft_tabdel(custom_env);
*custom_env = ft_sstradd(NULL, tmp);
ft_strdel(&tmp);
}
else if (!ft_strcmp(**arg, "-u"))
{
++*arg;
if (**arg)
env_freeone(*custom_env, **arg);
else
return (env_usage(1, 0));
}
else if (ft_strchr(**arg, '='))
env_replace(custom_env, **arg);
else if (!ft_strcmp(**arg, "--"))
{
++*arg;
return (0);
}
else if ((**arg)[0] == '-')
return (env_usage(0, (**arg)[1]));
else
--(*av);
return (0);
}
static int bt_env_parse(t_env_data *data, char **av)
{
data->flag = 0;
data->av_data = NULL;
data->custom_env = NULL;
if (cliopts_get(av, g_env_opts, data))
return (1);
return (0);
}
int builtin_env(const char *path,
char *const argv[], char *const envp[])
{
char **env;
t_env_data data;
int status;
pid_t pid;
struct stat buf;
(void)path;
pid = 0;
if (!argv || ft_strcmp(*argv, "env"))
return (builtin_return_status(0, env_usage(0, 0)));
env = ft_sstrdup((char **)envp);
if (env_treat_flag(&env, &argv))
(void)envp;
if (bt_env_parse(&data, (char**)argv))
return (ft_perror() && SH_ERR("usage: %s", ENV_USAGE) ? 0 : 0);
else if (!*data.av_data)
return (builtin_setenv(NULL, (char*[]){"setenv", 0}, NULL));
else if ((pid = fork()) == 0)
{
ft_sstrfree(env);
return (builtin_return_status(0, 1));
if (!(path = ft_strchr(data.av_data[0], '/') ?
ft_strdup(data.av_data[0]) : ft_hash(data.av_data[0]))
|| access(path, F_OK) != 0)
exit (SH_ERR(ENV_NOFILE, data.av_data[0]));
stat(path, &buf);
if (S_ISDIR(buf.st_mode) || access(path, X_OK) != 0)
exit (SH_ERR(ENV_NOPERM, data.av_data[0]));
execve(path, data.av_data, data.custom_env);
}
if (!*argv)
{
ft_sstrprint(env, '\n');
if (env)
ft_putchar('\n');
}
else
pid = command_setoutput(argv, env);
ft_tabdel(&env);
DG("%d", pid);
return (builtin_return_status(pid, 0));
waitpid(pid, &status, 0);
ft_sstrfree(data.custom_env);
return (0);
/* return (builtin_return_status(pid, 0)); */
}

8
42sh/src/builtin/builtin_read.c
View file

@ -11,6 +11,7 @@
/* ************************************************************************** */
#include "minishell.h"
#define US_READ "read [-ers] [-u fd] [-t timeout] [-p prompt]"
#define US_READ_1 "[-n nchars] [-d delim] [name ...]"
@ -26,11 +27,6 @@ t_cliopts g_read_opts[] =
{0, 0, 0, 0, 0},
};
void bt_read_usage(void)
{
SH_ERR("usage: read %s %s\n", US_READ, US_READ_1);
}
int bt_read_init(t_read *data, char **av)
{
data->opts = 0;
@ -115,7 +111,7 @@ int builtin_read(const char *path, char *const av[], char *const envp[])
if (ret == -1)
exit(1);
if (ret != 0)
bt_read_usage();
SH_ERR("usage: read %s %s\n", US_READ, US_READ_1);
if (ret != 2)
bt_read_exit(&data);
return (builtin_return_status(0, ret));

2
42sh/src/builtin/builtin_unsetenv.c
View file

@ -6,7 +6,7 @@
/* By: jhalford <jhalford@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/11/28 14:29:17 by jhalford #+# #+# */
/* Updated: 2017/03/21 17:40:31 by jhalford ### ########.fr */
/* Updated: 2017/03/21 17:51:37 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */

2
42sh/src/exec/plaunch_builtin.c
View file

@ -6,7 +6,7 @@
/* By: jhalford <jhalford@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/03/07 15:48:24 by jhalford #+# #+# */
/* Updated: 2017/03/20 15:50:12 by gwojda ### ########.fr */
/* Updated: 2017/03/21 18:10:21 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */

2
42sh/src/exec/plaunch_if.c
View file

@ -6,7 +6,7 @@
/* By: wescande <wescande@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/03/07 17:26:53 by wescande #+# #+# */
/* Updated: 2017/03/21 00:53:01 by wescande ### ########.fr */
/* Updated: 2017/03/21 18:10:08 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */

2
42sh/src/exec/process_launch.c
View file

@ -6,7 +6,7 @@
/* By: jhalford <jhalford@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/03/13 22:21:19 by jhalford #+# #+# */
/* Updated: 2017/03/21 20:53:04 by ariard ### ########.fr */
/* Updated: 2017/03/21 18:11:33 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */

2
42sh/src/exec/redirect_greatand.c
View file

@ -6,7 +6,7 @@
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/02/06 22:12:31 by jhalford #+# #+# */
/* Updated: 2017/03/21 17:40:36 by jhalford ### ########.fr */
/* Updated: 2017/03/21 17:41:36 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */

2
42sh/src/glob/command_getoutput.c
View file

@ -6,7 +6,7 @@
/* By: wescande <wescande@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/03/14 19:44:25 by wescande #+# #+# */
/* Updated: 2017/03/21 01:21:38 by wescande ### ########.fr */
/* Updated: 2017/03/21 18:15:53 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */