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export.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* export.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: adel-cor <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/05 13:13:20 by adel-cor #+# #+# */
/* Updated: 2022/04/12 10:44:55 by adel-cor ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
int ms_check_export_arg(char *arg)
{
int i;
i = 0;
if (ft_isalpha(arg[i]) == 0 && arg[i] != '_')
{
ft_put_error("export: '", arg, "': not a valid identifier\n", 2);
return (1);
}
i++;
while (arg[i] && arg[i] != '=')
{
if (ft_isalnum(arg[i]) == 0 && arg[i] != '_')
{
ft_put_error("export: '", arg, "': not a valid identifier\n", 2);
return (1);
}
i++;
}
return (0);
}
char *ms_make_string(char *arg)
{
char **strings;
char *string;
int i;
i = 1;
strings = ft_splitc(arg, '=');
string = ft_strjoin(strings[0], "=\"");
while (strings[i] && strings[i + 1])
{
string = ft_strjoin_free_s1(string, strings[i++]);
string = ft_strjoin_free_s1(string, "=");
}
if (strings[i])
string = ft_strjoin_free_s1(string, strings[i]);
string = ft_strjoin_free_s1(string, "\"");
ft_free_tab(strings);
return (string);
}
void ms_export_sort(t_cdata *t_cdata)
{
int i;
i = 0;
ft_sort_tab(t_cdata->envp_export);
while (t_cdata->envp_export[i])
printf("declare -x %s\n", t_cdata->envp_export[i++]);
}
void ms_export_valid_arg(char *arg, char *strings, t_cdata *cdata)
{
char *string;
if (ft_strchr(arg, '=') == NULL)
{
if (ms_get_env(cdata->envp_export, strings) == NULL)
cdata->envp_export = ms_matrix_add_line(cdata->envp_export, arg);
}
else
{
string = ms_make_string(arg);
if (ms_get_env(cdata->envp_export, strings) != NULL)
{
arg = ft_strdup(arg);
ms_set_env(cdata->envp, arg, cdata);
ms_set_env(cdata->envp_export, string, cdata);
free(arg);
}
else
{
cdata->envp = ms_matrix_add_line(cdata->envp, arg);
cdata->envp_export = ms_matrix_add_line(cdata->envp_export, string);
}
free(string);
}
}
int built_export(char **arg, t_cdata *t_cdata)
{
char **strings;
int i;
int ret;
ret = 0;
i = 0;
while (arg[i])
{
if (ms_check_export_arg(arg[i]) != 0)
{
i++;
continue ;
ret = 1;
}
strings = ft_splitc(arg[i], '=');
ms_export_valid_arg(arg[i], strings[0], t_cdata);
ft_free_tab(strings);
i++;
}
if (arg[0] == NULL)
ms_export_sort(t_cdata);
return (ret);
}