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Polished echo, and the builtins should work now (not tested in pipes)

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This commit is contained in:
Maix0 2024-08-11 11:42:44 +02:00
parent 85910da2fd
commit 45a55df528
9 changed files with 118 additions and 57 deletions
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28
exec/include/exec/builtins.h
View file

@ -6,7 +6,7 @@
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/08/10 18:43:56 by maiboyer #+# #+# */
/* Updated: 2024/08/10 19:36:59 by maiboyer ### ########.fr */
/* Updated: 2024/08/11 11:20:22 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
@ -20,14 +20,24 @@
#include "me/types.h"
#include "me/vec/vec_str.h"
typedef t_error (*t_builtin_func)(t_state *state, t_spawn_info info);
typedef struct s_builtin_spawn_info t_builtin_spawn_info;
t_error builtin_cd____(t_state *state, t_spawn_info info);
t_error builtin_echo__(t_state *state, t_spawn_info info);
t_error builtin_env___(t_state *state, t_spawn_info info);
t_error builtin_exit__(t_state *state, t_spawn_info info);
t_error builtin_export(t_state *state, t_spawn_info info);
t_error builtin_pwd___(t_state *state, t_spawn_info info);
t_error builtin_unset_(t_state *state, t_spawn_info info);
struct s_builtin_spawn_info
{
t_vec_str args;
t_fd *stdin;
t_fd *stdout;
t_fd *stderr;
};
typedef t_error (*t_builtin_func)(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code);
t_error builtin_cd____(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code);
t_error builtin_echo__(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code);
t_error builtin_env___(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code);
t_error builtin_exit__(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code);
t_error builtin_export(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code);
t_error builtin_pwd___(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code);
t_error builtin_unset_(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code);
#endif /* BUILTINS_H */

4
exec/src/builtins/cd.c
View file

@ -6,7 +6,7 @@
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/08/10 18:43:18 by maiboyer #+# #+# */
/* Updated: 2024/08/10 19:48:59 by maiboyer ### ########.fr */
/* Updated: 2024/08/11 11:21:35 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
@ -16,7 +16,7 @@
#include "me/string/string.h"
#include "me/types.h"
t_error builtin_cd____(t_state *state, t_spawn_info info)
t_error builtin_cd____(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code)
{
return (ERROR);
}

19
exec/src/builtins/echo.c
View file

@ -6,7 +6,7 @@
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/08/10 18:43:18 by maiboyer #+# #+# */
/* Updated: 2024/08/10 19:47:34 by maiboyer ### ########.fr */
/* Updated: 2024/08/11 11:30:09 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
@ -16,7 +16,7 @@
#include "me/string/string.h"
#include "me/types.h"
t_error builtin_echo__(t_state *state, t_spawn_info info)
t_error builtin_echo__(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code)
{
t_usize i;
bool print_line;
@ -25,21 +25,22 @@ t_error builtin_echo__(t_state *state, t_spawn_info info)
print_line = true;
i = 1;
s = string_new(1024);
if (i < info.arguments.len && str_compare(info.arguments.buffer[i], "-n"))
if (i < info.args.len && str_compare(info.args.buffer[i], "-n"))
{
print_line = false;
i++;
}
while (i < info.arguments.len - 1)
while (i < info.args.len - 1)
{
string_push(&s, info.arguments.buffer[i++]);
string_push(&s, info.args.buffer[i++]);
string_push_char(&s, ' ');
}
if (i < info.arguments.len)
string_push(&s, info.arguments.buffer[i]);
if (i < info.args.len)
string_push(&s, info.args.buffer[i]);
if (print_line)
string_push_char(&s, '\n');
// TODO: change the null to the actual redirection thingy, this needs to be done in the handle_builtin function beforehand
me_printf_fd(NULL, "%s", s.buf);
return (NO_ERROR);
me_printf_fd(info.stdout, "%s", s.buf);
string_free(s);
return (*exit_code = 0, NO_ERROR);
}

8
exec/src/builtins/env.c
View file

@ -6,7 +6,7 @@
/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/08/07 14:22:50 by rparodi #+# #+# */
/* Updated: 2024/08/10 19:57:32 by maiboyer ### ########.fr */
/* Updated: 2024/08/11 11:25:42 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
@ -18,7 +18,7 @@
struct s_print_env_state
{
t_state *state;
t_spawn_info *info;
t_builtin_spawn_info *info;
};
static t_error _print_env(t_usize _idx, const t_str *key, t_str *value, void *vctx)
@ -36,12 +36,12 @@ static t_error _print_env(t_usize _idx, const t_str *key, t_str *value, void *vc
return (NO_ERROR);
}
t_error builtin_env___(t_state *state, t_spawn_info info)
t_error builtin_env___(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code)
{
struct s_print_env_state ctx;
ctx.info = &info;
ctx.state = state;
hmap_env_iter(state->env, _print_env, &ctx);
return (NO_ERROR);
return (*exit_code = 0, NO_ERROR);
}

15
exec/src/builtins/exit.c
View file

@ -6,7 +6,7 @@
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/08/10 18:43:18 by maiboyer #+# #+# */
/* Updated: 2024/08/10 20:01:36 by maiboyer ### ########.fr */
/* Updated: 2024/08/11 11:26:03 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
@ -14,14 +14,15 @@
#include "me/convert/str_to_numbers.h"
#include "me/types.h"
t_error builtin_exit__(t_state *state, t_spawn_info info)
t_error builtin_exit__(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code)
{
t_i32 exit_code;
t_i32 actual_exit_code;
if (info.arguments.len < 2)
exit_code = 0;
else if (str_to_i32(info.arguments.buffer[1], 10, &exit_code))
if (info.args.len < 2)
actual_exit_code = 0;
else if (str_to_i32(info.args.buffer[1], 10, &actual_exit_code))
return (ERROR);
me_exit(exit_code);
*exit_code = actual_exit_code;
me_exit(actual_exit_code);
return (NO_ERROR);
}

10
exec/src/builtins/export.c
View file

@ -6,17 +6,17 @@
/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/08/07 14:13:41 by rparodi #+# #+# */
/* Updated: 2024/08/10 19:58:12 by maiboyer ### ########.fr */
/* Updated: 2024/08/11 11:26:08 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "exec/builtins.h"
#include "me/types.h"
t_error builtin_export(t_state *state, t_spawn_info info)
t_error builtin_export(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code)
{
if (info.arguments.len == 1)
return (builtin_env___(state, info));
if (info.args.len == 1)
return (builtin_env___(state, info, exit_code));
return (NO_ERROR);
return (*exit_code = 0, NO_ERROR);
}

6
exec/src/builtins/pwd.c
View file

@ -6,7 +6,7 @@
/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/08/07 13:58:37 by rparodi #+# #+# */
/* Updated: 2024/08/10 19:44:12 by maiboyer ### ########.fr */
/* Updated: 2024/08/11 11:26:12 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
@ -15,7 +15,7 @@
#include "me/string/string.h"
#include "me/types.h"
t_error builtin_pwd___(t_state *state, t_spawn_info info)
t_error builtin_pwd___(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code)
{
t_string s;
@ -24,5 +24,5 @@ t_error builtin_pwd___(t_state *state, t_spawn_info info)
string_reserve(&s, s.capacity * 2);
printf("%s\n", s.buf);
string_free(s);
return (NO_ERROR);
return (*exit_code = 0, NO_ERROR);
}

6
exec/src/builtins/unset.c
View file

@ -6,7 +6,7 @@
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/08/10 18:43:18 by maiboyer #+# #+# */
/* Updated: 2024/08/10 19:49:25 by maiboyer ### ########.fr */
/* Updated: 2024/08/11 11:26:16 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
@ -16,7 +16,7 @@
#include "me/string/string.h"
#include "me/types.h"
t_error builtin_unset_(t_state *state, t_spawn_info info)
t_error builtin_unset_(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code)
{
return (ERROR);
return (*exit_code = 0, ERROR);
}

77
exec/src/run_ast.c
View file

@ -6,7 +6,7 @@
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/07/11 17:22:29 by maiboyer #+# #+# */
/* Updated: 2024/08/10 19:43:19 by maiboyer ### ########.fr */
/* Updated: 2024/08/11 11:41:48 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
@ -87,7 +87,10 @@ t_error _get_expansion_value(t_ast_expansion *self, t_state *state, t_expansion_
hmap_ret = hmap_env_get(state->env, &self->var_name);
ret = (t_expansion_result){.exists = (hmap_ret != NULL), .value = NULL};
if (ret.exists)
ret.value = str_clone(*hmap_ret);
{
ret.value = *hmap_ret;
printf("source = %p; ret = %p\n", *hmap_ret, ret.value);
}
return (*out = ret, NO_ERROR);
}
@ -620,15 +623,6 @@ t_error run_expansion(t_ast_expansion *self, t_state *state, t_expansion_result
return (*out = ret, NO_ERROR);
}
t_error _clone_env(const t_kv_env *kv, void *ctx, t_kv_env *out)
{
(void)(ctx);
out->key = str_clone(kv->key);
out->val = str_clone(kv->val);
return (NO_ERROR);
}
struct s_ffree_state
{
t_state *state;
@ -671,6 +665,61 @@ t_error _handle_builtin(t_spawn_info info, t_state *state, t_cmd_pipe cmd_pipe,
}
if (actual_func == NULL)
return (me_abort("Builtin found but no function found..."), ERROR);
t_builtin_spawn_info binfo;
mem_set_zero(out, sizeof(*out));
if (info.stdin.tag == R_FD)
binfo.stdin = info.stdin.fd.fd;
if (info.stdin.tag == R_INHERITED)
binfo.stdin = dup_fd(get_stdin());
if (info.stderr.tag == R_FD)
binfo.stderr = info.stderr.fd.fd;
if (info.stderr.tag == R_INHERITED)
binfo.stderr = dup_fd(get_stderr());
if (info.stdout.tag == R_FD)
binfo.stdout = info.stdout.fd.fd;
if (info.stdout.tag == R_INHERITED)
binfo.stdout = dup_fd(get_stdout());
if (info.stdout.tag == R_PIPED)
{
t_pipe pipe_fd;
if (create_pipe(&pipe_fd))
return (ERROR);
out->process.stdout = pipe_fd.read;
binfo.stdout = pipe_fd.write;
}
binfo.args = info.arguments;
bool do_fork = cmd_pipe.input != NULL || cmd_pipe.create_output;
t_i32 exit_code;
if (do_fork)
{
out->process.pid = fork();
if (out->process.pid == 0)
{
if (actual_func(state, binfo, &exit_code))
me_exit(127);
me_exit(exit_code);
}
if (out->process.pid == -1)
out->exit = 126;
else
{
int status;
if (waitpid(out->process.pid, &status, 0) == -1)
return (ERROR);
if (WIFEXITED(status))
out->exit = WEXITSTATUS(status);
if (WIFSIGNALED(status))
out->exit = WTERMSIG(status);
}
}
else
{
if (actual_func(state, binfo, &exit_code))
return (out->exit = 126, ERROR);
out->exit = exit_code;
}
vec_str_free(info.arguments);
str_free(info.binary_path);
// we need to check if we have to fork !
return (NO_ERROR);
@ -778,11 +827,11 @@ t_error _spawn_cmd_and_run(t_vec_str args, t_vec_ast redirection, t_state *state
info.arguments = args;
if (args.len == 0)
return (vec_str_free(args), ERROR);
if (_is_builtin(args.buffer[0]))
info.binary_path = str_clone(info.arguments.buffer[0]);
if (_is_builtin(info.binary_path))
return (_handle_builtin(info, state, cmd_pipe, out));
if (build_envp(state->env, state->tmp_var, &info.environement))
return (ERROR);
info.binary_path = str_clone(info.arguments.buffer[0]);
return (str_free(info.binary_path), ERROR);
info.forked_free_args = &ffree;
info.forked_free = (void (*)(void *))_ffree_func;
signal(SIGINT, SIG_IGN);