14887Schin /*********************************************************************** 24887Schin * * 34887Schin * This software is part of the ast package * 4*8462SApril.Chin@Sun.COM * Copyright (c) 1985-2008 AT&T Intellectual Property * 54887Schin * and is licensed under the * 64887Schin * Common Public License, Version 1.0 * 7*8462SApril.Chin@Sun.COM * by AT&T Intellectual Property * 84887Schin * * 94887Schin * A copy of the License is available at * 104887Schin * http://www.opensource.org/licenses/cpl1.0.txt * 114887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 124887Schin * * 134887Schin * Information and Software Systems Research * 144887Schin * AT&T Research * 154887Schin * Florham Park NJ * 164887Schin * * 174887Schin * Glenn Fowler <gsf@research.att.com> * 184887Schin * David Korn <dgk@research.att.com> * 194887Schin * Phong Vo <kpv@research.att.com> * 204887Schin * * 214887Schin ***********************************************************************/ 224887Schin #pragma prototyped 234887Schin /* 244887Schin * Glenn Fowler 254887Schin * AT&T Research 264887Schin * 274887Schin * hash table library 284887Schin */ 294887Schin 304887Schin #include "hashlib.h" 314887Schin 324887Schin /* 334887Schin * apply walker to each active bucket in the table 344887Schin */ 354887Schin 364887Schin int 374887Schin hashwalk(Hash_table_t* tab, int flags, register int (*walker)(const char*, char*, void*), void* handle) 384887Schin { 394887Schin register Hash_bucket_t* b; 404887Schin register int v; 414887Schin Hash_position_t* pos; 424887Schin 434887Schin if (!(pos = hashscan(tab, flags))) 444887Schin return(-1); 454887Schin v = 0; 464887Schin while (b = hashnext(pos)) 474887Schin if ((v = (*walker)(hashname(b), (tab->flags & HASH_VALUE) ? b->value : (char*)b, handle)) < 0) 484887Schin break; 494887Schin hashdone(pos); 504887Schin return(v); 514887Schin } 52