1 files changed, 136 insertions, 0 deletions
diff --git a/src/b_alias.c b/src/b_alias.c
new file mode 100644
index 0000000..5ddc46f
--- /dev/null
+++ b/src/b_alias.c
@@ -0,0 +1,136 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   b_alias.c                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: rbousset <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/14 17:19:27 by rbousset          #+#    #+#             */
+/*   Updated: 2020/02/14 17:19:29 by rbousset         ###   ########lyon.fr   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <libft.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <limits.h>
+
+#include "b_alias_print.h"
+#include "d_define.h"
+#include "s_struct.h"
+#include "u_alias.h"
+#include "u_utils.h"
+
+static uint8_t
+	b_print_arg_next(char *ptr, const char arg[], t_bool invalid, t_msh *msh)
+{
+	char	val[ARG_MAX];
+
+	if (*ptr == C_NUL)
+	{
+		if (u_get_alias_value(val, arg, ARG_MAX, msh) != 0)
+		{
+			ft_printf("alias %s='%s'", arg, val);
+			return (0);
+		}
+		else
+		{
+			ft_dprintf(STDERR_FILENO, "minishell: alias: %s: not found\n", arg);
+			return (1);
+		}
+	}
+	else if (*ptr == C_EQUALS && invalid == TRUE)
+	{
+		ft_strlcpy(val, arg, ptr - arg);
+		ft_dprintf(STDERR_FILENO,
+			"minishell: alias: `%s': invalid alias name\n",
+			val);
+		return (1);
+	}
+	return (0);
+}
+
+static uint8_t
+	b_print_arg(const char arg[], t_msh *msh)
+{
+	char	*ptr;
+	t_bool	invalid;
+
+	ptr = (char*)arg;
+	invalid = FALSE;
+	while (*ptr != C_NUL && *ptr != C_EQUALS)
+	{
+		if (ft_iswhitespace(*ptr) == TRUE)
+			invalid = TRUE;
+		ptr++;
+	}
+	return (b_print_arg_next(ptr, arg, invalid, msh));
+}
+
+static void
+	b_register_arg(const char arg[], t_msh *msh)
+{
+	char	*ptr;
+	char	name[255];
+	char	value[ARG_MAX];
+
+	ptr = (char*)arg;
+	while (*ptr != C_NUL && *ptr != C_EQUALS)
+	{
+		ptr++;
+	}
+	if (*ptr == C_EQUALS)
+	{
+		ft_strlcpy(name, arg, (ptr - arg < 255) ? ((ptr - arg) + 1) : (255));
+		ptr += 1;
+		ft_strlcpy(value, ptr, ARG_MAX);
+		u_set_alias_value(name, value, msh);
+	}
+}
+
+uint8_t
+	b_alias(char *args[], t_msh *msh)
+{
+	const uint64_t	argc = u_builtins_get_argc((const char**)args);
+	int32_t			i;
+	uint8_t			ret;
+
+	ret = 0;
+	if (argc == 0)
+	{
+		if (msh->alias == NULL)
+			return (0);
+		b_print_alias_list(msh);
+	}
+	else if (argc > 0)
+	{
+		i = 0;
+		while (args[i] != NULL)
+		{
+			if (b_print_arg(args[i], msh) != 0)
+			{
+				ret = 1;
+			}
+			i++;
+		}
+	}
+	return (ret);
+}
+
+void
+	b_alias_mute(char *args[], t_msh *msh)
+{
+	const uint64_t	argc = u_builtins_get_argc((const char**)args);
+	int32_t			i;
+
+	if (argc > 0)
+	{
+		i = 0;
+		while (args[i] != NULL)
+		{
+			b_register_arg(args[i], msh);
+			i++;
+		}
+	}
+}