X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=lib%2Fdropin.c;fp=lib%2Fdropin.c;h=0000000000000000000000000000000000000000;hp=eb17acaad082ecb40d489bd5f7c0022cdadcd7d7;hb=68f4ca711593416d0defd81199b176ba604c6cb1;hpb=fc74f52df914ac67ef27d10fa9ba4bfa11c2f40e

diff --git a/lib/dropin.c b/lib/dropin.c
deleted file mode 100644
index eb17acaa..00000000
--- a/lib/dropin.c
+++ /dev/null
@@ -1,173 +0,0 @@
-/*
-    dropin.c -- a set of drop-in replacements for libc functions
-    Copyright (C) 2000-2005 Ivo Timmermans,
-                  2000-2011 Guus Sliepen <guus@tinc-vpn.org>
-
-    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 2 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, write to the Free Software Foundation, Inc.,
-    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-*/
-
-#include "system.h"
-
-#include "xalloc.h"
-
-#ifndef HAVE_DAEMON
-/*
-  Replacement for the daemon() function.
-  
-  The daemon() function is for programs wishing to detach themselves
-  from the controlling terminal and run in the background as system
-  daemons.
-
-  Unless the argument nochdir is non-zero, daemon() changes the
-  current working directory to the root (``/'').
-
-  Unless the argument noclose is non-zero, daemon() will redirect
-  standard input, standard output and standard error to /dev/null.
-*/
-int daemon(int nochdir, int noclose) {
-#ifdef HAVE_FORK
-	pid_t pid;
-	int fd;
-
-	pid = fork();
-
-	/* Check if forking failed */
-	if(pid < 0) {
-		perror("fork");
-		exit(-1);
-	}
-
-	/* If we are the parent, terminate */
-	if(pid)
-		exit(0);
-
-	/* Detach by becoming the new process group leader */
-	if(setsid() < 0) {
-		perror("setsid");
-		return -1;
-	}
-
-	/* Change working directory to the root (to avoid keeping mount
-	   points busy) */
-	if(!nochdir) {
-		chdir("/");
-	}
-
-	/* Redirect stdin/out/err to /dev/null */
-	if(!noclose) {
-		fd = open("/dev/null", O_RDWR);
-
-		if(fd < 0) {
-			perror("opening /dev/null");
-			return -1;
-		} else {
-			dup2(fd, 0);
-			dup2(fd, 1);
-			dup2(fd, 2);
-		}
-	}
-
-	return 0;
-#else
-	return -1;
-#endif
-}
-#endif
-
-#ifndef HAVE_GET_CURRENT_DIR_NAME
-/*
-  Replacement for the GNU get_current_dir_name function:
-
-  get_current_dir_name will malloc(3) an array big enough to hold the
-  current directory name.  If the environment variable PWD is set, and
-  its value is correct, then that value will be returned.
-*/
-char *get_current_dir_name(void) {
-	size_t size;
-	char *buf;
-	char *r;
-
-	/* Start with 100 bytes.  If this turns out to be insufficient to
-	   contain the working directory, double the size.  */
-	size = 100;
-	buf = xmalloc(size);
-
-	errno = 0;					/* Success */
-	r = getcwd(buf, size);
-
-	/* getcwd returns NULL and sets errno to ERANGE if the bufferspace
-	   is insufficient to contain the entire working directory.  */
-	while(r == NULL && errno == ERANGE) {
-		free(buf);
-		size <<= 1;				/* double the size */
-		buf = xmalloc(size);
-		r = getcwd(buf, size);
-	}
-
-	return buf;
-}
-#endif
-
-#ifndef HAVE_ASPRINTF
-int asprintf(char **buf, const char *fmt, ...) {
-	int result;
-	va_list ap;
-	va_start(ap, fmt);
-	result = vasprintf(buf, fmt, ap);
-	va_end(ap);
-	return result;
-}
-
-int vasprintf(char **buf, const char *fmt, va_list ap) {
-	int status;
-	va_list aq;
-	int len;
-
-	len = 4096;
-	*buf = xmalloc(len);
-
-	va_copy(aq, ap);
-	status = vsnprintf(*buf, len, fmt, aq);
-	va_end(aq);
-
-	if(status >= 0)
-		*buf = xrealloc(*buf, status + 1);
-
-	if(status > len - 1) {
-		len = status;
-		va_copy(aq, ap);
-		status = vsnprintf(*buf, len, fmt, aq);
-		va_end(aq);
-	}
-
-	return status;
-}
-#endif
-
-#ifndef HAVE_GETTIMEOFDAY
-int gettimeofday(struct timeval *tv, void *tz) {
-	tv->tv_sec = time(NULL);
-	tv->tv_usec = 0;
-	return 0;
-}
-#endif
-
-#ifndef HAVE_USLEEP
-int usleep(long long usec) {
-	struct timeval tv = {usec / 1000000, (usec / 1000) % 1000};
-	select(0, NULL, NULL, NULL, &tv);
-	return 0;
-}
-#endif