| /* |
| * dhcpcd - DHCP client daemon |
| * Copyright 2006-2008 Roy Marples <roy@marples.name> |
| * All rights reserved |
| |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #ifndef COMMON_H |
| #define COMMON_H |
| |
| /* string.h pulls in features.h so the below define checks work */ |
| #include <sys/types.h> |
| #include <sys/time.h> |
| #include <stdint.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #define UNCONST(a) ((void *)(unsigned long)(const void *)(a)) |
| |
| #if __GNUC__ > 2 || defined(__INTEL_COMPILER) |
| # define _unused __attribute__((__unused__)) |
| #else |
| # define _unused |
| #endif |
| |
| #ifndef HAVE_ARC4RANDOM |
| # ifdef __GLIBC__ |
| uint32_t arc4random(void); |
| #else |
| # define HAVE_ARC4RANDOM |
| # endif |
| #endif |
| |
| #ifndef HAVE_STRLCPY |
| # define HAVE_STRLCPY 1 |
| #endif |
| /* Only GLIBC doesn't support strlcpy */ |
| #ifdef __GLIBC__ |
| # if !defined(__UCLIBC__) && !defined (__dietlibc__) |
| # undef HAVE_STRLCPY |
| size_t strlcpy(char *, const char *, size_t); |
| # endif |
| #endif |
| |
| #ifndef HAVE_CLOSEFROM |
| # if defined(__NetBSD__) || defined(__OpenBSD__) |
| # define HAVE_CLOSEFROM 1 |
| # endif |
| #endif |
| #ifndef HAVE_CLOSEFROM |
| int closefrom(int); |
| #endif |
| |
| int close_fds(void); |
| int set_cloexec(int); |
| int set_nonblock(int); |
| ssize_t get_line(char **, size_t *, FILE *); |
| extern int clock_monotonic; |
| int get_monotonic(struct timeval *); |
| time_t uptime(void); |
| int writepid(int, pid_t); |
| void *xrealloc(void *, size_t); |
| void *xmalloc(size_t); |
| void *xzalloc(size_t); |
| char *xstrdup(const char *); |
| |
| #endif |
