From: Lukas Jiriste <ljiriste@student.42prague.com>
Date: Thu, 22 Aug 2024 15:54:02 +0000 (+0200)
Subject: Fix echo crashing upon accepting no input
X-Git-Url: https://git.ljiriste.work/?a=commitdiff_plain;h=7215e913879c78b289afce2091f436b5822db28d;p=42%2Fminishell.git

Fix echo crashing upon accepting no input
---

diff --git a/src/builtins/echo.c b/src/builtins/echo.c
index 5c9f079..f00219b 100644
--- a/src/builtins/echo.c
+++ b/src/builtins/echo.c
@@ -5,30 +5,31 @@
 
 int	ft_check_n(char *str)
 {
-	if (str[0] == '-' && str[1] == 'n')
+	if (str && str[0] == '-' && str[1] == 'n')
 		return (1);
-
 	return (0);
 }
 
 int	echo(int argc, char **argv)
 {
-	int i = 1;
-	int flag = 0;
+	int i;
+	int flag;
 	int t;
 
-	t = ft_check_n(argv[i]);
+	i = 1;
+	flag = 0;
+	t = ft_check_n(argv[1]);
 	if (t == 1)
 	{
 		flag = 1;
-		i++;
+		++i;
 	}
 	while (i < argc)
 	{
 		ft_putstr_fd(argv[i], 1);
 		if (i + 1 < argc)
 			ft_putstr_fd(" ", 1);
-		i++;
+		++i;
 	}
 	if (flag == 0)
 		ft_putstr_fd("\n", 1);