87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* exec_command.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2016/11/14 17:28:14 by jhalford #+# #+# */
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/* Updated: 2017/03/04 17:11:10 by ariard ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "exec.h"
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char **token_to_argv(t_ld *ld, int do_match)
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{
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char **my_tab;
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int index;
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char **expand;
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char **content;
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my_tab = NULL;
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while (ld)
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{
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content = ld->content;
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if ((expand = glob(content[0], (unsigned char *)content[1], (unsigned char *)content[2], do_match)))
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{
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index = -1;
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while (expand[++index])
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my_tab = ft_sstradd(my_tab, expand[index]);
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ft_tabdel(&expand);
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}
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ld = ld->next;
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}
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return (my_tab);
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}
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int exec_cmd(t_btree **ast)
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{
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t_cmd *cmd;
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t_job *job;
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t_exec *exec;
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t_process p;
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int fds[2];
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int op;
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cmd = &((t_astnode *)(*ast)->item)->data.cmd;
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exec = &data_singleton()->exec;
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job = &data_singleton()->exec.job;
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process_reset(&p);
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op = pop(&exec->op_stack);
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fds[PIPE_WRITE] = STDOUT;
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fds[PIPE_READ] = STDIN;
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if (op == TK_AMP)
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exec->attrs |= JOB_BG;
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else if (op == TK_PIPE)
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pipe(fds);
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p.fdin = exec->fdin;
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p.to_close = fds[PIPE_READ];
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p.fdout = fds[PIPE_WRITE];
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p.redirs = cmd->redir;
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exec->fdin = fds[PIPE_READ];
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if (IS_PIPESTART(p))
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{
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job->first_process = NULL;
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job->attrs = EXEC_IS_FG(exec->attrs) ? 0 : JOB_BG;
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}
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if (!(p.av = token_to_argv(cmd->token, 1)))
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return (1);
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process_setexec(&p);
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if (!(launch_process(&p)))
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ft_lstadd(&job->first_process, ft_lstnew(&p, sizeof(p)));
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if (fds[PIPE_WRITE] != STDOUT)
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close(fds[PIPE_WRITE]);
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if (IS_PIPEEND(p))
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{
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add_new_job(job);
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if (JOB_IS_FG(job->attrs))
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put_job_in_foreground(job, 0);
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else
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{
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job_notify_new(job);
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put_job_in_background(job, 0);
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}
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}
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return (0);
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}
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