1 files changed, 80 insertions, 0 deletions
diff --git a/philo_one/helper.c b/philo_one/helper.c
new file mode 100644
index 0000000..cd4b8a0
--- /dev/null
+++ b/philo_one/helper.c
@@ -0,0 +1,80 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   helper.c                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/08 23:22:49 by cacharle          #+#    #+#             */
+/*   Updated: 2020/04/22 11:57:08 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "philo_one.h"
+
+static int	h_strlen(char *s)
+{
+	int	counter;
+
+	counter = 0;
+	while (s[counter])
+		counter++;
+	return (counter);
+}
+
+long int	h_atoi_strict_unsigned(char *s)
+{
+	long int	num;
+
+	if (*s < '0' || *s > '9')
+		return (-1);
+	num = 0;
+	while (*s >= '0' && *s <= '9')
+	{
+		num *= 10;
+		num += *s - '0';
+		s++;
+	}
+	if (*s != '\0')
+		return (-1);
+	return num;
+}
+
+void		h_putnbr(unsigned long int num)
+{
+	if (num > 9)
+		h_putnbr(num / 10);
+	h_putchar(num % 10 + '0');
+}
+
+void		h_putchar(char c)
+{
+	write(STDOUT_FILENO, &c, 1);
+}
+
+void		h_putstr(char *s)
+{
+	write(STDOUT_FILENO, s, h_strlen(s));
+}
+
+void		*h_calloc(int count, int size)
+{
+	int		i;
+	void	*ptr;
+
+	if ((ptr = malloc(count * size)) == NULL)
+		return (NULL);
+	i = count * size;
+	while (i-- > 0)
+		((unsigned char*)ptr)[i] = 0x0;
+	return (ptr);
+}
+
+t_time		h_time_now(void)
+{
+	struct timeval	tv;
+
+	if (gettimeofday(&tv, NULL) == -1)
+		return (-1);
+	return (tv.tv_sec * 1000 + tv.tv_usec / 1000);
+}