68 lines
2 KiB
C
68 lines
2 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* builtin_export.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: gwojda <gwojda@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2017/02/15 11:39:37 by gwojda #+# #+# */
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/* Updated: 2017/03/24 23:18:44 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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#define BT_EXPORT_LP (1 << 0)
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#define READ_USAGE "usage: export [name[=value] ...] or export -p"
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static t_cliopts g_export_opts[] =
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{
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{'p', NULL, BT_EXPORT_LP, 0, NULL},
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{0, NULL, 0, 0, NULL},
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};
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int bt_export_print(void)
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{
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char **env;
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char *equal;
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env = data_singleton()->env;
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while (*env)
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{
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if ((equal = ft_strchr(*env, '=')))
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ft_printf("export %s\n", *env);
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else
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ft_printf("export %s\n", *env);
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env++;
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}
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return (0);
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}
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int builtin_export(
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const char *path, char *const av[], char *const envp[])
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{
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char *equal;
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t_btexport data;
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(void)path;
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data.flag = 0;
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if (cliopts_get((char**)av, g_export_opts, &data))
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return (ft_perror("export") && SH_ERR(READ_USAGE));
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if (data.flag & BT_EXPORT_LP)
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return (bt_export_print());
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av = data.av_data;
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if (!(data.flag = 0) && !*av)
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bt_export_print();
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while (*av)
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{
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equal = ft_strchr(*av, '=');
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if (equal)
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*(equal++) = 0;
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else
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equal = ft_getenv(data_singleton()->local_var, *av);
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data.flag += builtin_setenv("internal", (char*[]){"export", *av, equal}, envp);
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builtin_unsetenv("internal", (char*[]){"local", *av, NULL}, NULL);
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av++;
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}
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return (data.flag ? 1 : 0);
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}
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