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| | // SPDX-License-Identifier: GPL-2.0-or-later
// SPDX-FileCopyrightText: 2020 Alyssa Ross <hi@alyssa.is>
#define _GNU_SOURCE
#include "num.h"
#include <ctype.h>
#include <stdlib.h>
int getu32(const char *s, uint32_t min, uint32_t max, uint32_t *out)
{
unsigned long l;
if (getul(s, min, max, &l) == -1)
return -1;
*out = (uint32_t)l;
return 0;
}
int getul(const char *s, unsigned long min, unsigned long max,
unsigned long *out)
{
char *endptr;
if (!s || !isdigit(s[0]) || (s[0] == '0' && s[1]))
return -1;
*out = strtoul(s, &endptr, 10);
if (*endptr || *out < min || *out > max)
return -1;
return 0;
}
|