Imported Upstream version 2.4.3

include/common.h

@@ -0,0 +1,145 @@
+#ifndef NUT_COMMON_H
+#define NUT_COMMON_H
+
+/* common.h - prototypes for the common useful functions
+
+   Copyright (C) 2000  Russell Kroll <rkroll@exploits.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include "config.h"		/* must be the first header */
+
+/* Need this on AIX when using xlc to get alloca */
+#ifdef _AIX
+#pragma alloca
+#endif /* _AIX */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+#include <syslog.h>
+#include <unistd.h>
+#include <assert.h>
+
+#include "timehead.h"
+#include "attribute.h"
+#include "proto.h"
+
+extern const char *UPS_VERSION;
+
+/* get the syslog ready for us */
+void open_syslog(const char *progname);
+
+/* close ttys and become a daemon */
+void background(void);
+
+/* do this here to keep pwd/grp stuff out of the main files */
+struct passwd *get_user_pwent(const char *name);
+
+/* change to the user defined in the struct */
+void become_user(struct passwd *pw);
+
+/* drop down into a directory and throw away pointers to the old path */
+void chroot_start(const char *path);
+
+/* write a pid file - <name> is a full pathname *or* just the program name */
+void writepid(const char *name);
+
+/* send a signal to another running process */
+int sendsignal(const char *progname, int sig);
+
+int snprintfcat(char *dst, size_t size, const char *fmt, ...)
+	__attribute__ ((__format__ (__printf__, 3, 4)));
+
+/* open <pidfn>, get the pid, then send it <sig> */
+int sendsignalfn(const char *pidfn, int sig);
+
+const char *xbasename(const char *file);
+
+/* enable writing upslog_with_errno() and upslogx() type messages to
+   the syslog */
+void syslogbit_set(void);
+
+/* Return the default path for the directory containing configuration files */
+const char * confpath(void);
+
+/* Return the default path for the directory containing state files */
+const char * dflt_statepath(void);
+
+/* Return the alternate path for pid files */
+const char * altpidpath(void);
+
+void upslog_with_errno(int priority, const char *fmt, ...)
+	__attribute__ ((__format__ (__printf__, 2, 3)));
+void upslogx(int priority, const char *fmt, ...)
+	__attribute__ ((__format__ (__printf__, 2, 3)));
+void upsdebug_with_errno(int level, const char *fmt, ...)
+	__attribute__ ((__format__ (__printf__, 2, 3)));
+void upsdebugx(int level, const char *fmt, ...)
+	__attribute__ ((__format__ (__printf__, 2, 3)));
+void upsdebug_hex(int level, const char *msg, const void *buf, int len);
+
+void fatal_with_errno(int status, const char *fmt, ...)
+	__attribute__ ((__format__ (__printf__, 2, 3))) __attribute__((noreturn));
+void fatalx(int status, const char *fmt, ...)
+	__attribute__ ((__format__ (__printf__, 2, 3))) __attribute__((noreturn));
+
+extern int nut_debug_level;
+
+void *xmalloc(size_t size);
+void *xcalloc(size_t number, size_t size);
+void *xrealloc(void *ptr, size_t size);
+char *xstrdup(const char *string);
+
+char *rtrim(char *in, const char sep);
+
+int select_read(const int fd, void *buf, const size_t buflen, const long d_sec, const long d_usec);
+int select_write(const int fd, const void *buf, const size_t buflen, const long d_sec, const long d_usec);
+
+/* Buffer sizes used for various functions */
+#define SMALLBUF	512
+#define LARGEBUF	1024
+
+/* Provide declarations for getopt() global variables */
+
+#ifdef NEED_GETOPT_H
+#include <getopt.h>
+#else
+#ifdef NEED_GETOPT_DECLS
+extern char *optarg;
+extern int optind;
+#endif /* NEED_GETOPT_DECLS */
+#endif /* HAVE_GETOPT_H */
+
+/* logging flags: bitmask! */
+
+#define UPSLOG_STDERR		0x0001
+#define UPSLOG_SYSLOG		0x0002
+#define UPSLOG_STDERR_ON_FATAL	0x0004
+#define UPSLOG_SYSLOG_ON_FATAL	0x0008
+
+#ifndef HAVE_SETEUID
+#	define seteuid(x) setresuid(-1,x,-1)    /* Works for HP-UX 10.20 */
+#	define setegid(x) setresgid(-1,x,-1)    /* Works for HP-UX 10.20 */
+#endif
+
+#endif /* NUT_COMMON_H */