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Added: Pipex as ressources, not most readable code tho...

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Maieul BOYER 2024-03-27 13:42:54 +01:00
parent 9482844642
commit 5d425048f2
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38 changed files with 2975 additions and 0 deletions
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119
other/pipex/src/app/main.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/01/03 15:35:44 by maiboyer #+# #+# */
/* Updated: 2024/01/06 18:52:49 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "app/main.h"
void cleanup(t_pipex_args *s, bool error)
{
if (s->here_doc)
close(s->here_doc_fd);
close(s->in);
close(s->out);
vec_str_free(s->env);
vec_process_free(s->processes);
if (error)
exit(1);
wait(NULL);
exit(0);
}
void process_cleanup(t_process elem)
{
close(elem.stdin.vals.wo.fd);
close(elem.stdout.vals.ro.fd);
close(elem.stderr.vals.ro.fd);
}
void do_here_doc_thing(t_pipex_args *s)
{
t_buffer_str line;
t_isize f;
t_usize len;
bool error;
len = str_len(s->here_doc_limiter);
error = false;
while (!error)
{
line = get_next_line(0, &error);
if (error)
(me_eprintf("Error:\nError when reading stdin!\n"), cleanup(s,
true));
f = str_n_compare(line.buf, s->here_doc_limiter, len);
if (f == 0 && line.len >= len + 1 && (line.buf[len] == '\0'
|| line.buf[len] == '\n'))
{
str_free(line);
break ;
}
write(s->here_doc_fd, line.buf, line.len);
str_free(line);
}
cleanup(s, false);
}
int main2(t_pipex_args *s)
{
t_usize p_idx;
if (s->argc < 2 || s->argc < s->min || s->argc > s->max)
(me_eprintf("Error:\nWrong number of arguments!\n"), s->here_doc
&& close(s->here_doc_fd), close(s->in), vec_str_free(s->env),
exit(1));
s->processes = vec_process_new(s->argc, process_cleanup);
p_idx = s->argc - 2 - (t_usize)(s->here_doc);
if (spawn_helper(s, p_idx--, piped(), fd(s->out)))
(me_eprintf("Error:\nFailed to spawn process!\n"), cleanup(s, true));
while (p_idx > 1 + (t_usize)s->here_doc)
{
if (spawn_helper(s, p_idx--, piped(),
fd(s->processes.buffer[s->processes.len - 1].stdin.vals.wo.fd)))
(me_eprintf("Error:\nFailed to spawn process!\n"), cleanup(s,
true));
}
if (spawn_helper(s, p_idx, fd(s->in),
fd(s->processes.buffer[s->processes.len - 1].stdin.vals.wo.fd)))
(me_eprintf("Error:\nFailed to spawn process!\n"), cleanup(s, true));
if (s->here_doc)
do_here_doc_thing(s);
cleanup(s, false);
return (0);
}
int main(int argc, t_str argv[], t_str env[])
{
t_usize env_idx;
t_pipex_args s;
s.min = 4;
s.max = 4;
s.argv = argv + 1;
s.argc = argc - 1;
s.here_doc = false;
if (s.argc < 3)
(me_eprintf("Error:\nNot enough arguments!"), exit(1));
s.env = vec_str_new(128, (t_free_str_item)free);
env_idx = 0;
while (env[env_idx])
vec_str_push(&s.env, str_clone(env[env_idx++]));
if (BONUS)
s.max = ~0;
if (BONUS && str_n_compare(s.argv[0], "here_doc", 9) == 0)
set_here_doc(&s);
else
open_read_file(&s);
if ((s.here_doc && me_open_create(s.argv[s.argc - 1], &s.out))
|| (!s.here_doc && me_open_truncate(s.argv[s.argc - 1], &s.out)))
(me_eprintf("Error:\n Failed to open output file!\n"), s.here_doc
&& close(s.here_doc_fd), close(s.in), vec_str_free(s.env), exit(1));
return (s.here_doc && s.argv++, main2(&s));
}

47
other/pipex/src/app/main2.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main2.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/01/06 18:46:52 by maiboyer #+# #+# */
/* Updated: 2024/01/06 18:55:12 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "app/main.h"
void set_here_doc(t_pipex_args *s)
{
t_pipe pipe;
if (create_pipe(&pipe))
(vec_str_free(s->env), exit(1));
s->min = 5;
s->here_doc = true;
s->here_doc_limiter = s->argv[1];
s->here_doc_fd = pipe.write;
s->in = pipe.read;
}
void open_read_file(t_pipex_args *s)
{
if (me_open(s->argv[0], true, false, &s->in))
(me_eprintf("Error:\nInput file not found!\n"), vec_str_free(s->env),
exit(1));
}
void clone_vec_str_iter_fn(t_usize idx, t_str *s, void *out)
{
vec_str_push(out, str_clone(*s));
}
t_vec_str clone_vec_str(t_vec_str *v)
{
t_vec_str val;
val = vec_str_new(v->len + 2, (t_free_str_item)free);
vec_str_iter(v, &clone_vec_str_iter_fn, &val);
return (val);
}

48
other/pipex/src/app/main3.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main3.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/01/06 18:48:21 by maiboyer #+# #+# */
/* Updated: 2024/01/06 18:55:33 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "app/main.h"
void vec_process_free_ptr(void *s)
{
close(((t_pipex_args *)s)->in);
close(((t_pipex_args *)s)->out);
if (((t_pipex_args *)s)->here_doc)
close(((t_pipex_args *)s)->here_doc_fd);
vec_process_free(((t_pipex_args *)s)->processes);
}
t_error spawn_helper(t_pipex_args *s, t_usize idx, t_redirection in,
t_redirection out)
{
t_process o;
t_vec_str args;
t_spawn_info info;
if (split_literals(s->argv[idx], &args))
return (ERROR);
info = (t_spawn_info){
.stdin = in,
.stdout = out,
.stderr = inherited(),
.binary_path = str_clone(args.buffer[0]),
.arguments = args,
.environement = clone_vec_str(&s->env),
.forked_free = vec_process_free_ptr,
.forked_free_args = s,
};
if (spawn_process(
info,
&o))
return (ERROR);
return (vec_process_push(&s->processes, o));
}