exit_status.h File Reference

#include "shell.h"
#include <errno.h>

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Macros
#define	EXIT_SUCCESS   0
#define	EXIT_FAILURE   1
#define	EXIT_MISUSE   2
#define	IS_DIRECTORY   256
#define	NUMERIC_REQUIRED   257
#define	TOO_MANY_ARGS   258
#define	UNKNOWN_COMMAND   259
#define	INVALID_ARGUMENT   260
#define	PERMISSION_DENIED   261
#define	ERROR_EXIT   262
#define	NOT_VALID_IDENTIFIER   263
#define	INVALID_OPTION   264

Functions
void	exit_status_handler (t_ms_data *data, int status_code, char *err_arg)
void	set_exit_status (int *exit_status, int status_code)
void	set_shell_var_handler (t_ms_data *data)
int	ft_perror (char *str)
int	ft_isnumber (char *str)
void	free_shell_var_list (t_env *shell_var)
void	handle_exit (t_ms_data *data, int status)

Macro Definition Documentation

ERROR_EXIT

#define ERROR_EXIT   262

Definition at line 26 of file exit_status.h.

EXIT_FAILURE

#define EXIT_FAILURE   1

Definition at line 17 of file exit_status.h.

EXIT_MISUSE

#define EXIT_MISUSE   2

Definition at line 18 of file exit_status.h.

EXIT_SUCCESS

#define EXIT_SUCCESS   0

Definition at line 16 of file exit_status.h.

INVALID_ARGUMENT

#define INVALID_ARGUMENT   260

Definition at line 24 of file exit_status.h.

INVALID_OPTION

#define INVALID_OPTION   264

Definition at line 28 of file exit_status.h.

IS_DIRECTORY

#define IS_DIRECTORY   256

Definition at line 20 of file exit_status.h.

NOT_VALID_IDENTIFIER

#define NOT_VALID_IDENTIFIER   263

Definition at line 27 of file exit_status.h.

NUMERIC_REQUIRED

#define NUMERIC_REQUIRED   257

Definition at line 21 of file exit_status.h.

PERMISSION_DENIED

#define PERMISSION_DENIED   261

Definition at line 25 of file exit_status.h.

TOO_MANY_ARGS

#define TOO_MANY_ARGS   258

Definition at line 22 of file exit_status.h.

UNKNOWN_COMMAND

#define UNKNOWN_COMMAND   259

Definition at line 23 of file exit_status.h.

Function Documentation

exit_status_handler()

void exit_status_handler	(	t_ms_data *	data,
		int	status_code,
		char *	err_arg
	)

Definition at line 25 of file exit_status.c.

{
    char    *error_message;
 
    error_message = NULL;
    if (status_code == IS_DIRECTORY)
        error_message = "No such file or directory";
    else if (status_code == NUMERIC_REQUIRED)
        error_message = "numeric argument required";
    else if (status_code == TOO_MANY_ARGS)
        error_message = "too many arguments";
    else if (status_code == UNKNOWN_COMMAND)
        error_message = "command not found";
    else if (status_code == INVALID_ARGUMENT)
        error_message = "invalid argument";
    else if (status_code == PERMISSION_DENIED)
        error_message = "permission denied";
    else if (status_code == NOT_VALID_IDENTIFIER)
        error_message = "unset: not a valid identifier";
    else if (status_code == INVALID_OPTION)
        error_message = "invalid option";
    else
        error_message = "error";
    ft_puterror(err_arg, error_message);
    set_exit_status(&data->exit_status, status_code);
    set_shell_var_handler(data);
}

References s_ms_data::exit_status, ft_puterror(), INVALID_ARGUMENT, INVALID_OPTION, IS_DIRECTORY, NOT_VALID_IDENTIFIER, NUMERIC_REQUIRED, PERMISSION_DENIED, set_exit_status(), set_shell_var_handler(), TOO_MANY_ARGS, and UNKNOWN_COMMAND.

Referenced by builtin_cd(), builtin_export(), handle_numeric_error(), and handle_too_many_args_error().

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free_shell_var_list()

void free_shell_var_list

(

t_env *

shell_var

)

Definition at line 90 of file shell_variables_utils.c.

{
    t_env   *curr_node;
    t_env   *next_node;
 
    curr_node = shell_var;
    while (curr_node)
    {
        next_node = curr_node->next;
        free(curr_node->key);
        free(curr_node->value);
        free(curr_node);
        curr_node = next_node;
    }
}

References s_env::key, s_env::next, and s_env::value.

Referenced by free_ms_data().

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ft_isnumber()

int ft_isnumber

(

char *

str

)

Definition at line 24 of file exit_status_utils.c.

{
    int i;
 
    i = 0;
    while (str[i])
    {
        if (!ft_isdigit(str[i]))
            return (0);
        i++;
    }
    return (1);
}

References ft_isdigit().

Referenced by builtin_exit().

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ft_perror()

int ft_perror

(

char *

str

)

Definition at line 18 of file exit_status_utils.c.

{
    perror (str);
    exit(EXIT_FAILURE);
}

handle_exit()

void handle_exit	(	t_ms_data *	data,
		int	status
	)

Definition at line 53 of file exit.c.

{
    if (status != 0 && status != TOO_MANY_ARGS)
        ft_putendl_fd("exit", STDOUT_FILENO);
    cleanup_exit_resources(data);
    exit(status);
}

References cleanup_exit_resources(), ft_putendl_fd(), and TOO_MANY_ARGS.

Referenced by builtin_exit(), handle_numeric_error(), and handle_too_many_args_error().

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set_exit_status()

void set_exit_status	(	int *	exit_status,
		int	status_code
	)

Definition at line 79 of file exit_status.c.

{
    *exit_status = status_code;
}

Referenced by builtin_env(), and exit_status_handler().

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set_shell_var_handler()

void set_shell_var_handler

(

t_ms_data *

data

)

Definition at line 53 of file exit_status.c.

{
    char    *tmp_var;
 
    tmp_var = NULL;
    tmp_var = ft_itoa(data->exit_status);
    set_shell_var(&data->shell_variables, "?", tmp_var);
    free(tmp_var);
}

References s_ms_data::exit_status, ft_itoa(), set_shell_var(), and s_ms_data::shell_variables.

Referenced by exit_status_handler(), and process_command().

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