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This commit is contained in:
Loic Deridder
2025-02-12 10:10:29 +01:00
parent ced584b17a
commit adc59eb33b
20 changed files with 822 additions and 662 deletions
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95
srcs/execution/exec_subsh.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* exec_subsh.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lderidde <lderidde@student.s19.be> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/02/12 09:52:04 by lderidde #+# #+# */
/* Updated: 2025/02/12 09:52:04 by lderidde ### ########.fr */
/* */
/* ************************************************************************** */
#include "../../includes/exec/exec.h"
int exec_shcmd(t_ast_n *node)
{
pid_t pid;
int status;
if (is_builtin(node->cmd))
return (exec_builtin(node));
else
{
pid = fork();
if (pid == 0)
exec(node);
else if (pid > 0)
{
waitpid(pid, &status, 0);
if (WIFEXITED(status))
return (WEXITSTATUS(status));
else
return (1);
}
else
perror("fork");
return (1);
}
}
int execute_shcommand(t_ast_n *node)
{
if (node->state == _CMD)
handle_redir(node);
if (node->state == _CMD)
node->msh->ex_code = exec_shcmd(node);
else if (node->state == _AND)
{
node->msh->ex_code = execute_shcommand(node->left);
if (node->msh->ex_code == 0)
node->msh->ex_code = execute_shcommand(node->right);
}
else if (node->state == _OR)
{
node->msh->ex_code = execute_shcommand(node->left);
if (node->msh->ex_code != 0)
node->msh->ex_code = execute_shcommand(node->right);
}
else if (node->state == _PLINE)
node->msh->ex_code = exec_pline(node->pline);
else if (node->state == _SUBSH)
node->msh->ex_code = exec_subsh(node->left);
if (node->state == _CMD)
reset_redir(node);
return (node->msh->ex_code);
}
int exec_subsh(t_ast_n *node)
{
int status;
pid_t pid;
int ret;
pid = fork();
if (pid == 0)
{
handle_redir(node->parent);
ret = execute_shcommand(node);
free_child(node->msh);
exit(ret);
}
else if (pid > 0)
{
waitpid(pid, &status, 0);
if (WIFEXITED(status) && node->parent->state != _PLINE)
return (WEXITSTATUS(status));
else
return (1);
}
else
{
perror("fork");
return (1);
}
}