47 lines
1.7 KiB
C
47 lines
1.7 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* command_getoutput.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2017/01/12 14:01:59 by jhalford #+# #+# */
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/* Updated: 2017/02/02 15:16:25 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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#define BUF_SIZE 1024
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char *command_getoutput(char *command)
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{
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int fds[2];
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t_btree *ast;
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t_astnode item;
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char *output;
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char buf[BUF_SIZE + 1];
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int ret;
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t_exec *exec;
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output = NULL;
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exec = &data_singleton()->exec;
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item.type = TK_SUBSHELL;
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item.data.sstr = malloc(4 * sizeof(char *));
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item.data.sstr[0] = ft_strdup(data_singleton()->argv[0]);
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item.data.sstr[1] = ft_strdup("-c");
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item.data.sstr[2] = ft_strdup(command);
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item.data.sstr[3] = NULL;
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ast = btree_create_node(&item, sizeof(item));
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pipe(fds);
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exec->process.fdout = fds[PIPE_WRITE];
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exec_command(&ast);
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exec->process.fdout = STDOUT;
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close(fds[PIPE_WRITE]);
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while ((ret = read(fds[PIPE_READ], buf, BUF_SIZE)))
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{
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buf[ret] = 0;
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ft_strappend(&output, buf);
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}
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close(fds[PIPE_READ]);
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return (output);
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}
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