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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* args.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/08 23:12:55 by cacharle #+# #+# */
/* Updated: 2021/01/10 11:12:26 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "common.h"
static int st_err(int ret, const char *format, char *str)
{
while (*format != '\0')
{
if (format[0] == '%' && format[1] == 's')
{
if (str != NULL)
{
while (*str != '\0')
write(STDERR_FILENO, str++, 1);
}
format += 2;
}
else
{
write(STDERR_FILENO, format, 1);
format++;
}
}
write(STDERR_FILENO, "\n", 1);
return (ret);
}
static long int st_atou_strict(char *s)
{
long int num;
char *origin;
origin = s;
if (*s < '0' || *s > '9')
return (st_err(-1, "Error: %s: is not a number", origin));
num = 0;
while (*s >= '0' && *s <= '9')
{
num *= 10;
if (num > UINT_MAX)
return (st_err(-1, "Error: %s: is too big", origin));
num += *s - '0';
if (num > UINT_MAX)
return (st_err(-1, "Error: %s: is too big", origin));
s++;
}
if (*s != '\0')
return (st_err(-1, "Error: %s: is not a number", origin));
return (num);
}
bool parse_args(t_philo_args *args, int argc, char **argv)
{
if (argc != 5 && argc != 6)
{
return (st_err(false, "Usage: %s philosophers_num deatst_timeout"
"eat_timeout sleep_timeout [meal_num]", argv[0]));
}
if ((args->philo_num = st_atou_strict(argv[1])) == -1
|| (args->timeout_death = st_atou_strict(argv[2])) == -1
|| (args->timeout_eat = st_atou_strict(argv[3])) == -1
|| (args->timeout_sleep = st_atou_strict(argv[4])) == -1)
return (false);
if (argc == 6)
{
if ((args->meal_num = st_atou_strict(argv[5])) == -1)
return (false);
}
else
args->meal_num = -1;
return (true);
}
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