minishell/exec/src/builtins/env.c

87 lines
2.5 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* env.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/08/07 14:22:50 by rparodi #+# #+# */
/* Updated: 2024/08/18 22:54:31 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "exec/builtins.h"
#include "me/hashmap/hashmap_env.h"
#include "me/printf/printf.h"
#include "me/str/str.h"
#include "me/types.h"
static t_error _append_key_to_vec(t_usize _idx, const t_str *key, t_str *value, void *vec)
{
(void)(value);
(void)(_idx);
if (key == NULL || *key == NULL)
return (NO_ERROR);
vec_str_push(vec, *key);
return (NO_ERROR);
}
static bool _sort_str(t_str *_lhs, t_str *_rhs)
{
t_str lhs;
t_str rhs;
if (_lhs == NULL && _rhs != NULL)
return (true);
if (_lhs != NULL && _rhs == NULL)
return (true);
if (_lhs == NULL && _rhs == NULL)
return (false);
lhs = *_lhs;
rhs = *_rhs;
while (*lhs && *lhs == *rhs)
{
lhs++;
rhs++;
}
return (*lhs < *rhs);
}
t_error builtin_env___(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code)
{
t_vec_str keys;
t_vec_str keys_uniq;
t_usize i;
t_str *value;
keys = vec_str_new(16, NULL);
hmap_env_iter(state->env, _append_key_to_vec, &keys);
hmap_env_iter(state->tmp_var, _append_key_to_vec, &keys);
keys_uniq = vec_str_new(keys.len, NULL);
i = 0;
if (keys.len == 0)
return (NO_ERROR);
vec_str_sort(&keys, _sort_str);
while (i < keys.len)
{
while (i < keys.len - 1 && str_compare(keys.buffer[i], keys.buffer[i + 1]))
i++;
vec_str_push(&keys_uniq, keys.buffer[i]);
i++;
}
vec_str_free(keys);
i = 0;
while (i < keys_uniq.len)
{
value = hmap_env_get(state->tmp_var, &keys_uniq.buffer[i]);
if (value == NULL)
value = hmap_env_get(state->env, &keys_uniq.buffer[i]);
if (value != NULL && *value != NULL)
me_printf_fd(info.stdout, "%s=%s\n", keys_uniq.buffer[i], *value);
i++;
}
vec_str_free(keys_uniq);
*exit_code = 0;
return (NO_ERROR);
}