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/*
* $Id: util.h,v 1.74 2006/10/14 13:43:18 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
SQUIDCEXTERN const char *getfullhostname(void);
SQUIDCEXTERN const char *mkhttpdlogtime(const time_t *);
SQUIDCEXTERN const char *mkrfc1123(time_t);
SQUIDCEXTERN char *uudecode(const char *);
SQUIDCEXTERN char *xstrdup(const char *);
SQUIDCEXTERN char *xstrndup(const char *, size_t);
SQUIDCEXTERN const char *xstrerr(int xerrno);
SQUIDCEXTERN const char *xstrerror(void);
SQUIDCEXTERN int tvSubMsec(struct timeval, struct timeval);
SQUIDCEXTERN int tvSubUsec(struct timeval, struct timeval);
SQUIDCEXTERN double tvSubDsec(struct timeval, struct timeval);
SQUIDCEXTERN char *xstrncpy(char *, const char *, size_t);
SQUIDCEXTERN size_t xcountws(const char *str);
SQUIDCEXTERN time_t parse_rfc1123(const char *str);
SQUIDCEXTERN void *xcalloc(size_t, size_t);
SQUIDCEXTERN void *xmalloc(size_t);
SQUIDCEXTERN void *xrealloc(void *, size_t);
SQUIDCEXTERN void Tolower(char *);
SQUIDCEXTERN void xfree(void *);
SQUIDCEXTERN void xxfree(const void *);
#ifdef __cplusplus
/*
* Any code using libstdc++ must have externally resolvable overloads
* for void * operator new - which means in the .o for the binary,
* or in a shared library. static libs don't propogate the symbol
* so, look in the translation unit containing main() in squid
* for the extern version in squid
*/
#ifndef _SQUID_EXTERNNEW_
#if defined(_SQUID_SGI_) && !defined(_GNUC_)
/*
* The gcc compiler treats extern inline functions as being extern,
* while the SGI MIPSpro compilers treat them as inline. To get equivalent
* behavior, remove the inline keyword.
*/
#define _SQUID_EXTERNNEW_ extern
#else
#define _SQUID_EXTERNNEW_ extern inline
#endif
#endif
#include "SquidNew.h"
#endif
/* rfc1738.c */
SQUIDCEXTERN char *rfc1738_escape(const char *);
SQUIDCEXTERN char *rfc1738_escape_unescaped(const char *);
SQUIDCEXTERN char *rfc1738_escape_part(const char *);
SQUIDCEXTERN void rfc1738_unescape(char *);
/* html.c */
SQUIDCEXTERN char *html_quote(const char *);
#if XMALLOC_STATISTICS
SQUIDCEXTERN 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;
SQUIDCEXTERN int safe_inet_addr(const char *, SIA *);
SQUIDCEXTERN time_t parse_iso3307_time(const char *buf);
SQUIDCEXTERN char *base64_decode(const char *coded);
SQUIDCEXTERN const char *base64_encode(const char *decoded);
SQUIDCEXTERN const char *base64_encode_bin(const char *data, int len);
SQUIDCEXTERN double xpercent(double part, double whole);
SQUIDCEXTERN int xpercentInt(double part, double whole);
SQUIDCEXTERN double xdiv(double nom, double denom);
SQUIDCEXTERN const char *xitoa(int num);
#if !HAVE_DRAND48
SQUIDCEXTERN double drand48(void);
#endif
typedef struct {
size_t count;
size_t bytes;
size_t gb;
} gb_t;
/* gb_type operations */
#define gb_flush_limit (0x3FFFFFFF)
#define gb_inc(gb, delta) { if ((gb)->bytes > gb_flush_limit || delta > gb_flush_limit) gb_flush(gb); (gb)->bytes += delta; (gb)->count++; }
#define gb_incb(gb, delta) { if ((gb)->bytes > gb_flush_limit || delta > gb_flush_limit) gb_flush(gb); (gb)->bytes += delta; }
#define gb_incc(gb, delta) { if ((gb)->bytes > gb_flush_limit || delta > gb_flush_limit) gb_flush(gb); (gb)->count+= delta; }
extern double gb_to_double(const gb_t *);
SQUIDCEXTERN const char *double_to_str(char *buf, int buf_size, double value);
extern const char *gb_to_str(const gb_t *);
extern void gb_flush(gb_t *); /* internal, do not use this */
/*
* Returns the amount of known allocated memory
*/
int statMemoryAccounted(void);
#endif /* SQUID_UTIL_H */
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