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「✨」 feat(exec_cmd): can now execute commands ! still kind of a wip tho

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yosyo
2024-06-02 21:17:02 +02:00
parent 5a71c50897
commit 32e09ff98a
2 changed files with 148 additions and 11 deletions
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113
src/exec/exec_split_cmd.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* exec_split_cmd.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: mmoussou <mmoussou@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/06/01 14:55:06 by mmoussou #+# #+# */
/* Updated: 2024/06/02 21:15:03 by mmoussou ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
char *get_cmd_path(char *cmd, t_env *env)
{
int i;
char *path;
char **path_list;
path = NULL;
path_list = get_path(env_get_value("PATH2", env));
i = 0;
while (path_list[i])
{
if (!ft_strcmp(ft_strrchr(path_list[i], '/') + 1, cmd))
{
path = ft_strdup(path_list[i]);
return (path);
}
i++;
}
free(cmd);
return (path);
}
int exec_single_cmd(t_cmd *cmd, char **env, t_env *env_t)
{
int status;
status = dup2(cmd->infile, STDIN_FILENO);
if (status == -1)
return (-1);
if (cmd->outfile != STDOUT_FILENO)
status = dup2(STDOUT_FILENO, cmd->outfile);
else
status = dup2(STDOUT_FILENO, STDIN_FILENO);
if (status == -1)
return (-1);
if (cmd->cmd[0] != '/')
cmd->cmd = get_cmd_path(cmd->cmd, env_t);
if (!(cmd->cmd))
return (-1);
int fork_pid = fork();
if (fork_pid == -1)
return (-1);
if (!fork_pid)
{
status = execve(cmd->cmd, cmd->argv, env);
exit(-1);
}
else
waitpid(fork_pid, NULL, 0);
if (status == -1)
return (-1);
return (0);
}
int exec_split_cmd(t_list *list_cmd, t_env *env)
{
char **env_array;
int status;
t_cmd *cmd;
env_array = env_get(env);
if (!env_array)
return (-1);
while (list_cmd->next)
{
status = exec_single_cmd(list_cmd->content, env_array, env);
if (status == -1)
{
ft_free("a", &env_array);
return (-1);
}
list_cmd = list_cmd->next;
}
cmd = list_cmd->content;
status = dup2(cmd->infile, STDIN_FILENO);
if (status == -1)
return (-1);
status = dup2(STDOUT_FILENO, cmd->outfile);
if (status == -1)
return (-1);
if (cmd->cmd[0] != '/')
cmd->cmd = get_cmd_path(cmd->cmd, env);
if (!(cmd->cmd))
return (-1);
int fork_pid = fork();
if (fork_pid == -1)
return (-1);
if (!fork_pid)
{
status = execve(cmd->cmd, cmd->argv, env_array);
exit(-1);
}
else
waitpid(fork_pid, NULL, 0);
if (status == -1)
return (-1);
return (0);
}