1/*********************************************************************** 2* * 3* This software is part of the ast package * 4* Copyright (c) 1985-2011 AT&T Intellectual Property * 5* and is licensed under the * 6* Eclipse Public License, Version 1.0 * 7* by AT&T Intellectual Property * 8* * 9* A copy of the License is available at * 10* http://www.eclipse.org/org/documents/epl-v10.html * 11* (with md5 checksum b35adb5213ca9657e911e9befb180842) * 12* * 13* Information and Software Systems Research * 14* AT&T Research * 15* Florham Park NJ * 16* * 17* Glenn Fowler <gsf@research.att.com> * 18* David Korn <dgk@research.att.com> * 19* Phong Vo <kpv@research.att.com> * 20* * 21***********************************************************************/ 22#pragma prototyped 23/* 24 * Glenn Fowler 25 * AT&T Research 26 * 27 * hash table library 28 */ 29 30#include "hashlib.h" 31 32/* 33 * apply walker to each active bucket in the table 34 */ 35 36int 37hashwalk(Hash_table_t* tab, int flags, register int (*walker)(const char*, char*, void*), void* handle) 38{ 39 register Hash_bucket_t* b; 40 register int v; 41 Hash_position_t* pos; 42 43 if (!(pos = hashscan(tab, flags))) 44 return(-1); 45 v = 0; 46 while (b = hashnext(pos)) 47 if ((v = (*walker)(hashname(b), (tab->flags & HASH_VALUE) ? b->value : (char*)b, handle)) < 0) 48 break; 49 hashdone(pos); 50 return(v); 51} 52