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/*
* $Id: util.h,v 1.69 2006/12/10 13:36:23 serassio Exp $
*
* AUTHOR: Harvest Derived
*
* SQUID Web Proxy Cache http://www.squid-cache.org/
* ----------------------------------------------------------
*
* Squid is the result of efforts by numerous individuals from
* the Internet community; see the CONTRIBUTORS file for full
* details. Many organizations have provided support for Squid's
* development; see the SPONSORS file for full details. Squid is
* Copyrighted (C) 2001 by the Regents of the University of
* California; see the COPYRIGHT file for full details. Squid
* incorporates software developed and/or copyrighted by other
* sources; see the CREDITS file for full details.
*
* 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, USA.
*
*/
#ifndef SQUID_UTIL_H
#define SQUID_UTIL_H
#include "config.h"
#include <stdio.h>
#include <time.h>
#if HAVE_TIME_H
#include <time.h>
#endif
#if HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#if !defined(SQUIDHOSTNAMELEN)
#define SQUIDHOSTNAMELEN 256
#endif
#if defined(_SQUID_FREEBSD_)
#define _etext etext
#endif
#ifndef MIN
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif
extern const char *getfullhostname(void);
extern const char *mkhttpdlogtime(const time_t *);
extern const char *mkrfc1123(time_t);
extern char *uudecode(const char *);
extern char *xstrdup(const char *);
extern char *xstrndup(const char *, size_t);
extern const char *xstrerror(void);
extern int tvSubMsec(struct timeval, struct timeval);
extern int tvSubUsec(struct timeval, struct timeval);
extern double tvSubDsec(struct timeval, struct timeval);
extern char *xstrncpy(char *, const char *, size_t);
extern size_t xcountws(const char *str);
extern time_t parse_rfc1123(const char *str, int len);
extern void *xcalloc(size_t, size_t);
extern void *xmalloc(size_t);
extern void *xrealloc(void *, size_t);
extern void Tolower(char *);
extern void xfree(void *);
extern void xxfree(const void *);
/* rfc1738.c */
extern char *rfc1738_escape(const char *);
extern char *rfc1738_escape_unescaped(const char *);
extern char *rfc1738_escape_part(const char *);
extern void rfc1738_unescape(char *);
/* html.c */
extern char *html_quote(const char *);
#if XMALLOC_STATISTICS
extern void malloc_statistics(void (*)(int, int, int, void *), void *);
#endif
#if XMALLOC_TRACE
#define xmalloc(size) (xmalloc_func="xmalloc",xmalloc_line=__LINE__,xmalloc_file=__FILE__,xmalloc(size))
#define xfree(ptr) (xmalloc_func="xfree",xmalloc_line=__LINE__,xmalloc_file=__FILE__,xfree(ptr))
#define xxfree(ptr) (xmalloc_func="xxfree",xmalloc_line=__LINE__,xmalloc_file=__FILE__,xxfree(ptr))
#define xrealloc(ptr,size) (xmalloc_func="xrealloc",xmalloc_line=__LINE__,xmalloc_file=__FILE__,xrealloc(ptr,size))
#define xcalloc(n,size) (xmalloc_func="xcalloc",xmalloc_line=__LINE__,xmalloc_file=__FILE__,xcalloc(n,size))
#define xstrdup(ptr) (xmalloc_func="xstrdup",xmalloc_line=__LINE__,xmalloc_file=__FILE__,xstrdup(ptr))
extern int xmalloc_line;
extern char *xmalloc_file;
extern char *xmalloc_func;
extern int xmalloc_trace;
extern size_t xmalloc_total;
extern void xmalloc_find_leaks(void);
#endif
typedef struct in_addr SIA;
extern int safe_inet_addr(const char *, SIA *);
extern time_t parse_iso3307_time(const char *buf);
extern char *base64_decode(const char *coded);
extern const char *base64_encode(const char *decoded);
extern const char *base64_encode_bin(const char *data, int len);
extern double xpercent(double part, double whole);
extern int xpercentInt(double part, double whole);
extern double xdiv(double nom, double denom);
extern const char *xitoa(int num);
#if !HAVE_DRAND48
double drand48(void);
#endif
/*
* Returns the amount of known allocated memory
*/
extern size_t statMemoryAccounted(void);
/* Cygwin & Windows NT Port */
/* win32lib.c */
#ifdef _SQUID_MSWIN_
#if defined(_MSC_VER) /* Microsoft C Compiler ONLY */
extern int64_t WIN32_strtoll(const char *nptr, char **endptr, int base);
#endif
extern int chroot(const char *);
extern int ftruncate(int, off_t);
#ifndef HAVE_GETTIMEOFDAY
extern int gettimeofday(struct timeval *, struct timezone *);
#endif
extern int inet_aton(const char *, struct in_addr *);
extern int kill(pid_t, int);
extern int statfs(const char *, struct statfs *);
extern int truncate(const char *, off_t);
extern const char *wsastrerror(int);
extern struct passwd *getpwnam(char *);
extern struct group *getgrnam(char *);
extern uid_t geteuid(void);
extern uid_t getuid(void);
extern int setuid(uid_t);
extern int seteuid(uid_t);
extern gid_t getgid(void);
extern gid_t getegid(void);
extern int setgid(gid_t);
extern int setegid(gid_t);
extern const char *WIN32_strerror(int);
extern void WIN32_maperror(unsigned long);
extern int WIN32_Close_FD_Socket(int);
#endif
#endif /* SQUID_UTIL_H */
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