blob: fa33cb041b07f3aa0b90234d12f443c891f850bd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
#include "utils.h"
#include <ctype.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void *malloc_s(unsigned long amount)
{
void *memory = malloc(amount);
if (memory == NULL)
{
printf("Error: Memory allocation failed");
exit(EXIT_FAILURE);
}
return memory;
}
unsigned int str_to_uint(char *str, char **err)
{
if (*str == '-')
{
*err = "Less than 0";
return 0;
}
char *str_waste;
unsigned long num = strtoul(str, &str_waste, 10);
if (strlen(str_waste) != 0UL)
{
*err = "Not a number";
return 0;
}
if (num > (unsigned long)UINT_MAX)
{
*err = "Too large";
return 0;
}
return (unsigned int)num;
}
|