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simple_cmd_builtin() done.

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+ exec_cmd_line.c split in multiples files
This commit is contained in:
LuckyLaszlo
2021-11-18 14:28:56 +01:00
parent 91d5a0d14c
commit 0bd9dcb3bb
8 changed files with 370 additions and 251 deletions
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63
srcs/exec/simple_cmd_builtin.c Normal file
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@@ -0,0 +1,63 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* simple_cmd_builtin.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/11/16 01:57:38 by lperrey #+# #+# */
/* Updated: 2021/11/18 14:08:56 by lperrey ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
static int restore_stdio(int stdin_dup, int stdout_dup);
int simple_command_builtin(t_cmd *cmd, t_all *c)
{
int stdin_dup;
int stdout_dup;
stdin_dup = 0;
stdout_dup = 0;
if (cmd->fd_in != STDIN_FILENO)
{
stdin_dup = dup(STDIN_FILENO);
if (stdin_dup == -1)
return (ft_reti_perror(EXIT_FAILURE, "dup()"));
if (dup2(cmd->fd_in, STDIN_FILENO) == -1)
return (ft_reti_perror(EXIT_FAILURE, "dup2()"));
}
if (cmd->fd_out != STDOUT_FILENO)
{
stdout_dup = dup(STDOUT_FILENO);
if (stdout_dup == -1)
return (ft_reti_perror(EXIT_FAILURE, "dup()"));
if (dup2(cmd->fd_out, STDOUT_FILENO) == -1)
return (ft_reti_perror(EXIT_FAILURE, "dup2()"));
}
c->last_exit_status = cmd->builtin_func(ft_2d_arrlen(cmd->argv), cmd->argv, c);
if (!restore_stdio(stdin_dup, stdout_dup))
return (EXIT_FAILURE);
return (EXIT_SUCCESS);
}
static int restore_stdio(int stdin_dup, int stdout_dup)
{
if (stdin_dup)
{
if (dup2(stdin_dup, STDIN_FILENO) == -1)
return (ft_reti_perror(0, "dup2()"));
if (close(stdin_dup) == -1)
return (ft_reti_perror(0, "close()"));
}
if (stdout_dup)
{
if (dup2(stdout_dup, STDOUT_FILENO) == -1)
return (ft_reti_perror(0, "dup2()"));
if (close(stdout_dup) == -1)
return (ft_reti_perror(0, "close()"));
}
return (1);
}