nmrpflash/util.c
Joseph C. Lehner b187e3ad66 Add millis()
2023-10-18 17:30:40 +02:00

106 lines
2.1 KiB
C

/**
* nmrpflash - Netgear Unbrick Utility
* Copyright (C) 2016 Joseph Lehner <joseph.c.lehner@gmail.com>
*
* nmrpflash 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.
*
* nmrpflash 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 nmrpflash. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdio.h>
#include <errno.h>
#include <time.h>
#include <math.h>
#include "nmrpd.h"
#ifdef NMRPFLASH_OSX
#include <mach/mach_time.h>
#endif
volatile sig_atomic_t g_interrupted = 0;
int verbosity = 0;
long long millis()
{
#ifndef NMRPFLASH_WINDOWS
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
return ts.tv_sec * 1000 + ((ts.tv_nsec + 500000) / 1000000);
#else
return GetTickCount();
#endif
}
time_t time_monotonic()
{
return millis() / 1000;
}
char *lltostr(long long ll, int base)
{
static char buf[32];
snprintf(buf, sizeof(buf) - 1, (base == 16 ? "%llx" : (base == 8 ? "%llo" : "%lld")), ll);
return buf;
}
const char *mac_to_str(uint8_t *mac)
{
static char buf[18];
snprintf(buf, sizeof(buf), "%02x:%02x:%02x:%02x:%02x:%02x",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
return buf;
}
uint32_t bitcount(uint32_t n)
{
uint32_t c;
for (c = 0; n; ++c) {
n &= n - 1;
}
return c;
}
uint32_t netmask(uint32_t count)
{
return htonl(count <= 32 ? 0xffffffff << (32 - count) : 0);
}
int select_fd(int fd, unsigned timeout)
{
struct timeval tv;
int status;
fd_set fds;
FD_ZERO(&fds);
FD_SET(fd, &fds);
tv.tv_sec = timeout / 1000;
tv.tv_usec = 1000 * (timeout % 1000);
status = select(fd + 1, &fds, NULL, NULL, &tv);
if (status < 0) {
sock_perror("select");
}
return status;
}
void xperror(const char *msg)
{
if (errno != EINTR) {
perror(msg);
} else {
printf("\n");
}
}