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「✏️」 norm: Normed everything and leak erased from the surface of the earth and what the fuck am i doing at this hour coding i shoud be sleeping 1:30am wtf god damn please give me a bed and fuck you yosyo 🖕

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This commit is contained in:
Adam JOLY
2024-07-10 01:22:28 +02:00
parent b1f77b386a
commit 54e01e9bc3
19 changed files with 359 additions and 220 deletions
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197
src/exec/exec_split_cmd.c
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@ -6,29 +6,14 @@
/* By: mmoussou <mmoussou@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/06/01 14:55:06 by mmoussou #+# #+# */
/* Updated: 2024/07/06 18:12:25 by mmoussou ### ########.fr */
/* Updated: 2024/07/10 01:18:17 by adjoly ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
#include "builtins.h"
#include "error_msg.h"
int is_in_builtins(char *cmd)
{
int i;
static const char *builtins[] = {"exit", "cd", "unset", "export", "echo",
"pwd", "env", NULL};
i = 0;
while (builtins[i])
{
if (!ft_strcmp(cmd, builtins[i]))
return (i + 1);
i++;
}
return (0);
}
#include "execution.h"
void exec_cmd(char *cmd, char **argv, char **env, t_env *env_t)
{
@ -51,157 +36,111 @@ void exec_cmd(char *cmd, char **argv, char **env, t_env *env_t)
ft_env(env_t);
if (i == 1)
exit(ft_atoi(argv[1]));
if (i > 4)
exit(0);
}
else
execve(cmd, argv, env);
}
char *get_cmd_local_path(char *cmd, t_env *env)
void __fork_single_cmd(t_cmd *cmd, char **env, t_env *env_t, t_exec exec)
{
char *path;
path = env_get_value("PWD", env);
if (!path)
return (NULL);
path = ft_strjoin_free_s1(path, "/");
if (!path)
return (NULL);
path = ft_strjoin_free_s1(path, cmd);
return (path);
}
int switch_cmd_path(t_cmd *cmd, t_env *env)
{
if (is_in_builtins(cmd->cmd))
return (0);
if (cmd->cmd[0] == '.' && cmd->cmd[1] == '/')
cmd->cmd = get_cmd_local_path(cmd->cmd, env);
else if (cmd->cmd[0] != '/')
cmd->cmd = get_path(env_get_value("PATH", env), cmd->cmd);
if (!(cmd->cmd))
return (-1);
return (0);
exec.status = dup2(cmd->infile, STDIN_FILENO);
if (cmd->infile != STDIN_FILENO)
close(cmd->infile);
if (exec.status == -1)
exit(-1);
exec.status = dup2(cmd->outfile, STDOUT_FILENO);
if (cmd->outfile != STDOUT_FILENO)
close(cmd->outfile);
if (exec.pipe_fd[0] != -1)
close(exec.pipe_fd[0]);
if (exec.pipe_fd[0] != -1)
close(exec.pipe_fd[1]);
if (exec.status != -1)
exec_cmd(cmd->cmd, cmd->argv, env, env_t);
exit(-1);
}
int exec_single_cmd(t_cmd *cmd, char **env, t_env *env_t, int pipe_fd[2])
{
t_exec exec;
int fork_pid;
int status;
char *input;
input = ft_strdup(cmd->cmd);
status = switch_cmd_path(cmd, env_t);
if (status == -1 || !input || (access(cmd->cmd, X_OK) && !is_in_builtins(cmd->cmd)))
exec.pipe_fd[0] = pipe_fd[0];
exec.pipe_fd[1] = pipe_fd[1];
exec.status = switch_cmd_path(cmd, env_t);
if (exec.status == -1 || !input || (access(cmd->cmd, X_OK) \
&& !is_in_builtins(cmd->cmd)))
{
printf("minishell : command not found: %s\n", input);
free(input);
return (-1);
}
if (is_in_builtins(cmd->cmd) && is_in_builtins(cmd->cmd) < 5)
free(input);
if (is_in_builtins(cmd->cmd) > 0)
{
exec_cmd(cmd->cmd, cmd->argv, env, env_t);
return (0);
}
fork_pid = fork();
if (!fork_pid)
{
status = dup2(cmd->infile, STDIN_FILENO);
if (cmd->infile != STDIN_FILENO)
close(cmd->infile);
if (status == -1)
exit(-1);
status = dup2(cmd->outfile, STDOUT_FILENO);
if (cmd->outfile != STDOUT_FILENO)
close(cmd->outfile);
if (pipe_fd[0] != -1)
close(pipe_fd[0]);
if (pipe_fd[0] != -1)
close(pipe_fd[1]);
if (status != -1)
exec_cmd(cmd->cmd, cmd->argv, env, env_t);
exit(-1);
}
__fork_single_cmd(cmd, env, env_t, exec);
return (fork_pid);
}
void print_return_value(int return_code)
t_exec exec_pipe(t_exec exec, t_list *list_cmd, t_env *env)
{
int code;
static const char *sigmsg[] = {0, "Hangup", 0, "Quit", "Illegal \
instruction", "Trace/breakpoint trap", "Aborted", "Bus error",
"Floating point exception", "Killed", "User defined signal 1",
"Segmentation fault", "User defined signal 2", 0,
"Alarm clock", "Terminated", "Stack fault", 0, 0, "Stopped", "Stopped",
"Stopped", "Stopped", 0, "CPU time limit exceeded",
"File size limit exceeded", "Virtual time expired",
"Profiling timer expired", "I/O possible", "Power failure",
"Bad system call"};
if (!WIFEXITED(return_code))
{
if (WIFSIGNALED(return_code))
{
code = WTERMSIG(return_code);
if (!sigmsg[code])
return ;
if (WCOREDUMP(return_code))
printf("minishell : %s %s\n", sigmsg[code], ERROR_COREDUMP);
else
printf("minishell : %s\n", sigmsg[code]);
}
}
}
int exec_split_cmd(t_list *list_cmd, t_env *env)
{
char **env_array;
int status;
int return_code;
int i;
int pipe_fd[2];
env_array = env_get(env);
pipe_fd[0] = -1;
pipe_fd[1] = -1;
if (!env_array)
return (-1);
i = 1;
while (list_cmd->next)
{
status = pipe(pipe_fd);
if (status)
return (-1);
exec.status = pipe(exec.pipe_fd);
if (exec.status)
return ((t_exec){exec.env_array, -1, exec.i, \
{exec.pipe_fd[0], exec.pipe_fd[1]}});
if (((t_cmd *)(list_cmd->content))->outfile == STDOUT_FILENO)
((t_cmd *)(list_cmd->content))->outfile = pipe_fd[1];
((t_cmd *)(list_cmd->content))->outfile = exec.pipe_fd[1];
if (((t_cmd *)(list_cmd->next->content))->infile == STDIN_FILENO)
((t_cmd *)(list_cmd->next->content))->infile = pipe_fd[0];
status = exec_single_cmd(list_cmd->content, env_array, env, pipe_fd);
if (((t_cmd *)(list_cmd->content))->outfile != STDOUT_FILENO)
close(((t_cmd *)(list_cmd->content))->outfile);
if (((t_cmd *)(list_cmd->content))->infile != STDIN_FILENO)
close(((t_cmd *)(list_cmd->content))->infile);
if (status != -1)
i++;
((t_cmd *)(list_cmd->next->content))->infile = exec.pipe_fd[0];
exec.status = exec_single_cmd(list_cmd->content, exec.env_array, \
env, exec.pipe_fd);
__close(list_cmd->content);
if (exec.status != -1)
exec.i++;
list_cmd = list_cmd->next;
}
status = exec_single_cmd(list_cmd->content, env_array, env, pipe_fd);
exec.status = exec_single_cmd(list_cmd->content, exec.env_array, \
env, exec.pipe_fd);
if (((t_cmd *)(list_cmd->content))->outfile != STDOUT_FILENO)
close(((t_cmd *)(list_cmd->content))->outfile);
if (((t_cmd *)(list_cmd->content))->infile != STDIN_FILENO)
close(((t_cmd *)(list_cmd->content))->infile);
ft_free("a", &env_array);
if (status == -1)
i--;
if (i < 1)
return (exec);
}
int exec_split_cmd(t_list *list_cmd, t_env *env)
{
t_exec exec;
int return_code;
exec.env_array = env_get(env);
if (!exec.env_array)
return (-1);
return_code = 0;
exec.pipe_fd[0] = -1;
exec.pipe_fd[1] = -1;
exec.i = 1;
exec = exec_pipe(exec, list_cmd, env);
if (exec.env_array)
ft_free("a", &exec.env_array);
if (exec.status == -1)
exec.i--;
if (exec.i < 1)
return (0);
if (status != 0)
waitpid(status, &return_code, 0);
while (i - 1)
{
waitpid(-1, NULL, 0);
i--;
}
if (exec.status != 0)
waitpid(exec.status, &return_code, 0);
if (!return_code)
return_code = 0;
__wait(exec.i);
print_return_value(return_code);
return (0);
}