ajout des fonctions atol free_tab et isnumber

2021-09-27 16:51:48 +02:00
parent c335eb1f6a
commit d622367cfd
11 changed files with 221 additions and 23 deletions
--- a/srcs/ft_atol.c
+++ b/srcs/ft_atol.c
@@ -0,0 +1,22 @@
+
+#include "libft.h"
+
+long	ft_atol(const char *str)
+{
+	long long	nbr;
+	int			i;
+	int			negatif;
+
+	i = 0;
+	negatif = 1;
+	nbr = 0;
+	while ((str[i] == ' ') || (str[i] > 8 && str[i] < 14))
+		i++;
+	if (str[i] == '-')
+		negatif = -1;
+	if (str[i] == '+' || str[i] == '-')
+		i++;
+	while (str[i] >= '0' && str[i] <= '9')
+		nbr = nbr * 10 + (str[i++] - '0');
+	return (nbr * negatif);
+}