aboutsummaryrefslogtreecommitdiff
path: root/src/utils.c
blob: 93f7c5347762a426d9021965b65cecd8d8f63c8b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
#include "utils.h"
#include <ctype.h>
#include <string.h>

/**
 * Returns whether or not a string is a number.
 */
int is_number(char *str)
{
	size_t len = strlen(str);
	for (int c = 0; c < len; c++)
	{
		if (!isdigit(str[c]))
			return 0;
	}
	return 1;
}