blob: e3e9c8ac615d66f21d55faa6cf84cc3450ac20d9 (
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
46
47
48
|
/*
* Copyright (C) 2011 Felix Fietkau <nbd@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include "count.h"
char *count_to_number(uint32_t num)
{
uint32_t ptr = 0, size = 0;
uint32_t written = 0, i;
int new_line_every_n_numbers = 30;
char *s;
for (i=0; i < num; ++i) {
size += snprintf(NULL, 0, "%u ", i);
if (i > 0 && i % new_line_every_n_numbers == 0)
size++;
}
size++; /* one for null char */
s = calloc(size, sizeof(char));
if (!s)
goto out;
for (i=0; i < num; ++i) {
written = sprintf(&s[ptr], "%u ", i);
ptr += written;
if (i > 0 && i % new_line_every_n_numbers == 0) {
sprintf(&s[ptr], "\n");
ptr++;
}
}
out:
return s;
}
|
