80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* input_redirections.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: marde-vr <marde-vr@42angouleme.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/03/05 18:15:27 by marde-vr #+# #+# */
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/* Updated: 2024/03/27 14:58:15 by tomoron ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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void redirect_input(t_msh *msh, int i)
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{
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if (msh->in_type != PIPE)
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{
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if (dup2(msh->in_fd, 0) < 0)
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ft_exit(msh, 1);
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close(msh->in_fd);
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}
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else
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{
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if (dup2(msh->fds[i - 1][0], 0) < 0)
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ft_exit(msh, 1);
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}
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}
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void open_input_file(t_msh *msh, t_cmd **cur_cmd)
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{
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if ((*cur_cmd)->type == HERE_DOC)
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handle_here_doc(msh, (*cur_cmd)->next->value);
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if ((*cur_cmd)->type == RED_I)
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{
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if (msh->in_fd != 0)
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close(msh->in_fd);
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msh->in_fd = open((*cur_cmd)->next->value, O_RDONLY);
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if (msh->in_fd == -1 && !g_return_code)
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{
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ft_printf_fd(2, "minishell: %s: ", (*cur_cmd)->next->value);
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perror("");
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g_return_code = 1;
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}
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}
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}
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void get_in_type(t_msh *msh, t_cmd *cmds)
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{
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t_cmd *cur_cmd;
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cur_cmd = cmds;
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while (cur_cmd && cur_cmd->next && cur_cmd->type == ARG)
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cur_cmd = cur_cmd->next;
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if (cur_cmd->type)
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{
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msh->in_type = cur_cmd->type;
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if (cur_cmd->type == HERE_DOC || cur_cmd->type == RED_I)
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open_input_file(msh, &cur_cmd);
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}
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while (cur_cmd && cur_cmd->next && cur_cmd->next->type == ARG)
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cur_cmd = cur_cmd->next;
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if (cur_cmd->next && (cur_cmd->next->type == HERE_DOC
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|| cur_cmd->next->type == RED_I))
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get_in_type(msh, cur_cmd);
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}
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int first_is_in_type(t_msh *msh)
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{
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t_cmd *cur_cmd;
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cur_cmd = msh->cmds;
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while (cur_cmd && cur_cmd->type == ARG && cur_cmd->next)
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cur_cmd = cur_cmd->next;
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if (cur_cmd->type == PIPE || cur_cmd->type == RED_I
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|| cur_cmd->type == HERE_DOC)
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return (1);
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return (0);
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}
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