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util.c
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util.c
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/*
* Copyright (C) Josef Gajdusek <atx@atx.name>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#include <stdlib.h>
#include <string.h>
#include "util.h"
void strrev(char *str)
{
unsigned int i;
unsigned int len = strlen(str);
char tmp;
for (i = 0; i < len / 2; i++) {
tmp = str[i];
str[i] = str[len - i - 1];
str[len - i - 1] = tmp;
}
}
int nitoa(char *tgt, size_t max, unsigned int val)
{
unsigned int i;
for (i = 0; (i < max - 1) && val; i++) {
tgt[i] = '0' + (val % 10);
val /= 10;
}
tgt[i + 1] = 0;
strrev(tgt);
return i + 1;
}