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/*
* util.h - Common utilities for the Essence system
*
* Darren Hardy, hardy@cs.colorado.edu, April 1994
*
* $Id: util.h,v 1.12 1995/01/31 21:49:12 hardy Exp $
*
* ----------------------------------------------------------------------
* Copyright (c) 1994, 1995. All rights reserved.
*
* Mic Bowman of Transarc Corporation.
* Peter Danzig of the University of Southern California.
* Darren R. Hardy of the University of Colorado at Boulder.
* Udi Manber of the University of Arizona.
* Michael F. Schwartz of the University of Colorado at Boulder.
*
* This copyright notice applies to all code in Harvest other than
* subsystems developed elsewhere, which contain other copyright notices
* in their source text.
*
* The Harvest software was developed by the Internet Research Task
* Force Research Group on Resource Discovery (IRTF-RD). The Harvest
* software may be used for academic, research, government, and internal
* business purposes without charge. If you wish to sell or distribute
* the Harvest software to commercial clients or partners, you must
* license the software. See
* http://harvest.cs.colorado.edu/harvest/copyright,licensing.html#licensing.
*
* The Harvest software is provided ``as is'', without express or
* implied warranty, and with no support nor obligation to assist in its
* use, correction, modification or enhancement. We assume no liability
* with respect to the infringement of copyrights, trade secrets, or any
* patents, and are not responsible for consequential damages. Proper
* use of the Harvest software is entirely the responsibility of the user.
*
* For those who are using Harvest for non-commercial purposes, you may
* make derivative works, subject to the following constraints:
*
* - You must include the above copyright notice and these accompanying
* paragraphs in all forms of derivative works, and any documentation
* and other materials related to such distribution and use acknowledge
* that the software was developed at the above institutions.
*
* - You must notify IRTF-RD regarding your distribution of the
* derivative work.
*
* - You must clearly notify users that your are distributing a modified
* version and not the original Harvest software.
*
* - Any derivative product is also subject to the restrictions of the
* copyright, including distribution and use limitations.
*/
#ifndef _UTIL_H_
#define _UTIL_H_
#include <stdio.h>
#include "config.h"
/* Buffer structure for buffer management routines */
struct gbuf { /* Growing and shrinking buffer */
char *data; /* Data buffer */
int length; /* Current length of data buffer */
int size; /* Size allocated in the Data buffer */
int default_size; /* Default size of the Data buffer */
};
typedef struct gbuf Buffer; /* Growing buffer */
#define stradd_buffer(b,s) add_buffer((b), (s), strlen(s))
#ifndef _PARAMS
#if defined(__STDC__) || defined(__cplusplus) || defined(__STRICT_ANSI__)
#define _PARAMS(ARGS) ARGS
#else /* Traditional C */
#define _PARAMS(ARGS) ()
#endif /* __STDC__ */
#endif /* _PARAMS */
/* from buffer.c Buffer manipulation routines */
Buffer *create_buffer _PARAMS((int)); /* New buffer */
void grow_buffer _PARAMS((Buffer *)); /* Increase buffer size */
void increase_buffer _PARAMS((Buffer *, int)); /* Increase buffer size */
void shrink_buffer _PARAMS((Buffer *)); /* Reduce buffer size */
void add_buffer _PARAMS((Buffer *, char *, int));/* Add data to a buffer */
void free_buffer _PARAMS((Buffer *)); /* Clean up a buffer */
/* from host.c */
char *getfullhostname _PARAMS(()); /* Fully qualified hostname */
char *getmylogin _PARAMS(()); /* getlogin(3) clone */
char *getrealhost _PARAMS((char *)); /* Real DNS hostname */
/* from log.c */
void init_log _PARAMS((FILE *, FILE *)); /* Initialize log routines */
void init_log3 _PARAMS((char *,FILE *,FILE *)); /* Initialize log routines */
void log_errno _PARAMS((char *)); /* Same as perror(3) */
void fatal_errno _PARAMS((char *)); /* Same as perror(3) & exit */
#ifdef __STRICT_ANSI__
#include <stdarg.h>
void log _PARAMS((char *, ...)); /* Log a message */
void errorlog _PARAMS((char *, ...)); /* Log an error message */
void fatal _PARAMS((char *, ...)); /* Log error msg and exit */
#else
void log _PARAMS(());
void errorlog _PARAMS(());
void fatal _PARAMS(());
#endif
#ifdef NO_STRDUP
/* from strdup.c */
char *strdup _PARAMS((const char *)); /* Duplicate a string */
#endif
/* from string.c */
void parse_argv _PARAMS((char **, char *)); /* Parse a command string */
/* from system.c */
int do_system _PARAMS((char *)); /* Wrapper for system(3) */
int run_cmd _PARAMS((char *)); /* Simple system(3) */
void do_system_lifetime _PARAMS((char *, int)); /* Limited system(3) */
void close_all_fds _PARAMS((int)); /* Closes all fd's */
/* from xmalloc.c */
void *xmalloc _PARAMS((size_t)); /* Wrapper for malloc(3) */
void *xrealloc _PARAMS((void *, size_t)); /* Wrapper for realloc(3) */
void xfree _PARAMS((void *)); /* Wrapper for free(3) */
/* from harvest.c */
char *harvest_bindir _PARAMS((void));
char *harvest_libdir _PARAMS((void));
char *harvest_topdir _PARAMS((void));
void harvest_add_path _PARAMS((char *));
#define harvest_add_gatherer_path() harvest_add_path("gatherer:")
#define harvest_add_broker_path() harvest_add_path("broker:")
#define harvest_add_cache_path() harvest_add_path("cache:")
#define harvest_add_replicator_path() harvest_add_path("replicator:")
#endif /* _UTIL_H_ */
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