redirect_in.c File Reference

#include "tokens.h"
#include "shell.h"
#include "redirection.h"
#include "execute.h"
#include <string.h>
#include <sys/wait.h>

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Functions
int	redirect_in (t_ast *node, t_ms_data *data)
	redirection input in context of executing AST

Function Documentation

redirect_in()

int redirect_in	(	t_ast *	node,
		t_ms_data *	data
	)

redirection input in context of executing AST

--

• Parameters

  node	current node in the AST

• Parameters

  data	minishell structure data

• Returns

  status:

• 0: success
• 1: error

Definition at line 38 of file redirect_in.c.

{
    pid_t   pid;
 
    pid = fork();
    if (pid == -1)
        return (1);
    if (pid == 0)
    {
        data->std_in = open_file(node->right, "<");
        if (data->std_in == -1)
            return (1);
        execute_ast(node->left, data);
        exit(0);
    }
    waitpid(pid, &data->exit_status, 0);
    return (0);
}

References execute_ast(), s_ms_data::exit_status, s_ast::left, open_file(), s_ast::right, and s_ms_data::std_in.

Referenced by execute_ast().

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