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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* helper.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/08 23:22:49 by cacharle #+# #+# */
/* Updated: 2021/01/10 10:32:06 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "common.h"
long int h_atou_strict(char *s)
{
long int num;
char *origin;
origin = s;
if (*s < '0' || *s > '9')
return (h_err(-1, "Error: %s: is not a number", origin));
num = 0;
while (*s >= '0' && *s <= '9')
{
num *= 10;
if (num > UINT_MAX)
return (h_err(-1, "Error: %s: is too big", origin));
num += *s - '0';
if (num > UINT_MAX)
return (h_err(-1, "Error: %s: is too big", origin));
s++;
}
if (*s != '\0')
return (h_err(-1, "Error: %s: is not a number", origin));
return (num);
}
/*
** No need to check error of gettimeofday
** (only for settimeofday and passed pointer validity)
*/
t_time h_time_now(void)
{
struct timeval tv;
gettimeofday(&tv, NULL);
return (tv.tv_sec * 1000 + tv.tv_usec / 1000);
}
void h_sleep(t_time sleep_time)
{
t_time start;
start = h_time_now();
while (h_time_now() - start < sleep_time)
usleep(500);
}
char *h_nbrcpy(char *dst, long long int num)
{
if (num > 9)
dst = h_nbrcpy(dst, num / 10);
dst[0] = num % 10 + '0';
return (dst + 1);
}
char *h_strcpy_end(char *dst, const char *str)
{
while (*str != '\0')
*dst++ = *str++;
return (dst);
}
#define PHILO_SEM_EAT_BUF_SIZE 2048
const char *philo_sem_eat_name(const char *prefix, long int id)
{
static char buf[PHILO_SEM_EAT_BUF_SIZE];
char *end;
buf[0] = '\0';
end = h_strcpy_end(buf, prefix);
h_nbrcpy(end, id);
return (buf);
}
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