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misc.h
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/* ======================================================================== * 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);