/* ========================================================================
* Copyright 1988-2006 University of Washington
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
*
* ========================================================================
*/
/*
* Program: Miscellaneous utility routines
*
* Author: Mark Crispin
* Networks and Distributed Computing
* Computing & Communications
* University of Washington
* Administration Building, AG-44
* Seattle, WA 98195
* Internet: MRC@CAC.Washington.EDU
*
* Date: 5 July 1988
* Last Edited: 30 August 2006
*
* This original version of this file is
* Copyright 1988 Stanford University
* and was developed in the Symbolic Systems Resources Group of the Knowledge
* Systems Laboratory at Stanford University in 1987-88, and was funded by the
* Biomedical Research Technology Program of the NationalInstitutes of Health
* under grant number RR-00785.
*/
/* Hash table operations */
#define HASHMULT 29 /* hash polynomial multiplier */
#define HASHENT struct hash_entry
HASHENT {
HASHENT *next; /* next entry with same hash code */
char *name; /* name of this hash entry */
void *data[1]; /* data of this hash entry */
};
#define HASHTAB struct hash_table
HASHTAB {
size_t size; /* size of this table */
HASHENT *table[1]; /* table */
};
/* KLUDGE ALERT!!!
*
* Yes, write() is overridden here instead of in osdep. This
* is because misc.h is one of the last files that most things #include, so
* this should avoid problems with some system #include file.
*/
#define write safe_write
/* Some C compilers have these as macros */
#undef min
#undef max
/* And some C libraries have these as int functions */
#define min Min
#define max Max
/* Compatibility definitions */
#define pmatch(s,pat) \
pmatch_full (s,pat,NIL)
/* Function prototypes */
unsigned char *ucase (unsigned char *string);
unsigned char *lcase (unsigned char *string);
char *cpystr (const char *string);
char *cpytxt (SIZEDTEXT *dst,char *text,unsigned long size);
char *textcpy (SIZEDTEXT *dst,SIZEDTEXT *src);
char *textcpystring (SIZEDTEXT *text,STRING *bs);
char *textcpyoffstring (SIZEDTEXT *text,STRING *bs,unsigned long offset,
unsigned long size);
unsigned long find_rightmost_bit (unsigned long *valptr);
long min (long i,long j);
long max (long i,long j);
long search (unsigned char *base,long basec,unsigned char *pat,long patc);
long ssearch (unsigned char *base,long basec,unsigned char *pat,long patc);
HASHTAB *hash_create (size_t size);
void hash_destroy (HASHTAB **hashtab);
void hash_reset (HASHTAB *hashtab);
unsigned long hash_index (HASHTAB *hashtab,char *key);
void **hash_lookup (HASHTAB *hashtab,char *key);
HASHENT *hash_add (HASHTAB *hashtab,char *key,void *data,long extra);
void **hash_lookup_and_add (HASHTAB *hashtab,char *key,void *data,long extra);
unsigned char hex2byte (unsigned char c1,unsigned char c2);
int compare_ulong (unsigned long l1,unsigned long l2);
int compare_uchar (unsigned char c1,unsigned char c2);
int compare_cstring (unsigned char *s1,unsigned char *s2);
int compare_csizedtext (unsigned char *s1,SIZEDTEXT *s2);