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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* builtin.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/04/01 17:11:01 by charles #+# #+# */
/* Updated: 2020/04/01 17:46:48 by charles ### ########.fr */
/* */
/* ************************************************************************** */
/*
** \file builtin.c
** \brief Builtin functions
*/
#include "minishell.h"
/*
** \brief Array storing builtin executable name and associated functions
*/
static struct s_builtin_entry g_builtin_lookup[] = {
{"echo", builtin_echo},
{"cd", builtin_cd},
{"pwd", builtin_pwd},
{"export", builtin_export},
{"unset", builtin_unset},
{"env", builtin_env},
{"exit", builtin_exit},
};
/*
** \brief Call builtin function associated with command name
** \param argv Arguments to the builtin 'main',
** with argv[0] being the executable name
** \param env Environment Vector
** \return Builtin main return status
*/
int builtin_dispatch_run(char **argv, t_env env)
{
size_t i;
i = 0;
while (i < sizeof(g_builtin_lookup) / sizeof(struct s_builtin_entry))
{
if (ft_strcmp(g_builtin_lookup[i].name, argv[0]) == 0)
return (g_builtin_lookup[i].func(argv, env));
i++;
}
return (BUILTIN_NOT_FOUND);
}
/*
** \brief Check if executable name is a builtin
** \param exec_name Executable name
** \return True if executable name is a builtin
*/
bool builtin_check_exec_name(char *exec_name)
{
size_t i;
i = 0;
while (i < sizeof(g_builtin_lookup) / sizeof(struct s_builtin_entry))
{
if (ft_strcmp(g_builtin_lookup[i].name, exec_name) == 0)
return (true);
i++;
}
return (false);
}
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