tom/minishell
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fixed a segfault

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This commit is contained in:
mdev9
2024-03-02 17:00:58 +01:00
parent 25d81d04e2
commit 44f8024fc0
3 changed files with 16 additions and 12 deletions
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17
srcs/exec.c
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@ -6,7 +6,7 @@
/* By: marde-vr <marde-vr@42angouleme.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/07 14:12:49 by tomoron #+# #+# */
/* Updated: 2024/02/28 18:53:41 by marde-vr ### ########.fr */
/* Updated: 2024/03/02 16:48:46 by marde-vr ### ########.fr */
/* */
/* ************************************************************************** */
@ -155,6 +155,7 @@ void redirect_input(t_msh *msh, int i)
}
else if (i > 0)
{
ft_printf_fd(2, "input_fd: %d\n", msh->fds[i - 1][0]);
if (dup2(msh->fds[i - 1][0], 0) < 0)
ft_exit(msh, 1);
}
@ -178,12 +179,12 @@ void pipe_child(t_msh *msh, char **cmd_args, int i)
{
if (msh->in_type != ARG)
{
//ft_printf_fd(2, "redirecting input of %s of type %d\n", msh->cmds->token, msh->in_type);
ft_printf_fd(2, "redirecting input of %s of type %d with fd %d\n", msh->cmds->token, msh->in_type, msh->in_fd);
redirect_input(msh, i);
}
if (msh->out_type != ARG)
{
//ft_printf_fd(2, "redirecting output of %s of type %d\n", msh->cmds->token, msh->out_type);
ft_printf_fd(2, "redirecting output of %s of type %d with fd %d\n", msh->cmds->token, msh->out_type, msh->out_fd);
redirect_output(msh, i);
}
if (i != 0)
@ -358,8 +359,8 @@ void get_in_type(t_msh *msh)
handle_here_doc(msh, cur_cmd->token);
if (msh->in_type == RED_I)
{
//ft_printf_fd(2, "opening %s\n", cur_cmd->token);
msh->in_fd = open(cur_cmd->token, O_RDONLY);
ft_printf_fd(2, "opened %s: %d\n", cur_cmd->token, msh->in_fd);
if (msh->in_fd == -1)
{
ft_printf_fd(2, "minishell: %s: ", cur_cmd->token);
@ -367,8 +368,8 @@ void get_in_type(t_msh *msh)
// todo: cancel execution of all commands
}
}
cur_cmd = cur_cmd->next;
msh->cmds = cur_cmd;
//cur_cmd = cur_cmd->next;
//msh->cmds = cur_cmd;
//ft_printf_fd(2, "cmd: %s\n", msh->cmds->token);
}
}
@ -380,6 +381,7 @@ void get_out_type(t_msh *msh)
t_cmd *cur_cmd;
msh->out_type = ARG;
msh->out_fd = 0;
cur_cmd = msh->cmds;
while (cur_cmd && cur_cmd->next && cur_cmd->type == ARG)
cur_cmd = cur_cmd->next;
@ -394,6 +396,8 @@ void get_out_type(t_msh *msh)
if (msh->out_type == RED_O_APP)
msh->out_fd = open(cur_cmd->next->token,
O_CREAT | O_RDWR | O_APPEND, 0644);
if (msh->out_fd) // debug
ft_printf_fd(2, "opened %s: %d\n", cur_cmd->next->token, msh->out_fd);
if (msh->out_fd == -1)
{
perror("open");
@ -424,6 +428,7 @@ void exec_command(t_msh *msh)
ft_exit(msh, 1);
get_in_type(msh);
get_out_type(msh);
ft_printf_fd(2, "%d\n", msh->out_fd);
//ft_printf_fd(2, "cmd: %s\n", msh->cmds->token);
if (!cmd_is_builtin(msh, msh->cmds->token))
get_cmd_path(msh);