163 lines
4.2 KiB
C
163 lines
4.2 KiB
C
/*
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rc-misc.h
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This is private to us and not for user consumption
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*/
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/*
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* Copyright 2007-2008 Roy Marples
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* All rights reserved
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef __RC_MISC_H__
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#define __RC_MISC_H__
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#include <sys/stat.h>
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#include <errno.h>
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#include <stdbool.h>
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#include <string.h>
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#ifndef LIB
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# define LIB "lib"
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#endif
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#ifndef PREFIX
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# define PREFIX ""
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#else
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# define HAVE_PREFIX
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#endif
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#define RC_LEVEL_BOOT "boot"
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#define RC_LEVEL_DEFAULT "default"
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#define RC_LIBDIR PREFIX "/" LIB "/rc"
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#define RC_SVCDIR RC_LIBDIR "/init.d"
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#define RC_DEPTREE RC_SVCDIR "/deptree"
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#define RC_RUNLEVELDIR PREFIX "/etc/runlevels"
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#define RC_INITDIR PREFIX "/etc/init.d"
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#define RC_CONFDIR PREFIX "/etc/conf.d"
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/* PKG_PREFIX is where packages are installed if different from the base OS
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* On Gentoo this is normally unset, on FreeBSD /usr/local and on NetBSD
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* /usr/pkg. */
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#ifdef PKG_PREFIX
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# define RC_PKG_INITDIR PKG_PREFIX "/etc/init.d"
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# define RC_PKG_CONFDIR PKG_PREFIX "/usr/local/etc/conf.d"
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#endif
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#define RC_KSOFTLEVEL RC_SVCDIR "/ksoftlevel"
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#define RC_STARTING RC_SVCDIR "/rc.starting"
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#define RC_STOPPING RC_SVCDIR "/rc.stopping"
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#define RC_SVCDIR_STARTING RC_SVCDIR "/starting"
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#define RC_SVCDIR_INACTIVE RC_SVCDIR "/inactive"
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#define RC_SVCDIR_STARTED RC_SVCDIR "/started"
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#define RC_SVCDIR_COLDPLUGGED RC_SVCDIR "/coldplugged"
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#define RC_PLUGINDIR RC_LIBDIR "/plugins"
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#define ERRX fprintf (stderr, "out of memory\n"); exit (1)
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#ifdef lint
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# define _unused
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#endif
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#if __GNUC__ > 2 || defined(__INTEL_COMPILER)
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# define _unused __attribute__((__unused__))
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#else
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# define _unused
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#endif
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_unused static void *xmalloc (size_t size)
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{
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void *value = malloc (size);
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if (value)
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return (value);
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ERRX;
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/* NOTREACHED */
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}
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_unused static void *xrealloc (void *ptr, size_t size)
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{
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void *value = realloc (ptr, size);
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if (value)
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return (value);
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ERRX;
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/* NOTREACHED */
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}
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_unused static char *xstrdup (const char *str)
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{
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char *value;
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if (! str)
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return (NULL);
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value = strdup (str);
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if (value)
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return (value);
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ERRX;
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/* NOTREACHED */
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}
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#undef ERRX
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_unused static bool exists (const char *pathname)
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{
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struct stat buf;
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return (stat (pathname, &buf) == 0);
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}
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_unused static bool existss (const char *pathname)
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{
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struct stat buf;
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return (stat (pathname, &buf) == 0 && buf.st_size != 0);
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}
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char *rc_conf_value (const char *var);
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bool rc_conf_yesno (const char *var);
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char **env_filter (void);
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char **env_config (void);
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bool service_plugable (const char *service);
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int signal_setup (int sig, void (*handler)(int));
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/* basename_c never modifies the argument. As such, if there is a trailing
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* slash then an empty string is returned. */
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_unused static const char *basename_c (const char *path)
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{
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const char *slash = strrchr (path, '/');
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if (slash)
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return (++slash);
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return (path);
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}
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#endif
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