14887Schin /*********************************************************************** 24887Schin * * 34887Schin * This software is part of the ast package * 4*12068SRoger.Faulkner@Oracle.COM * Copyright (c) 1985-2010 AT&T Intellectual Property * 54887Schin * and is licensed under the * 64887Schin * Common Public License, Version 1.0 * 78462SApril.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 /* 254887Schin * ccmapc(c, CC_NATIVE, CC_ASCII) and strncmp 264887Schin */ 274887Schin 284887Schin #include <ast.h> 294887Schin #include <ccode.h> 304887Schin 314887Schin #if _lib_strnacmp 324887Schin 334887Schin NoN(strnacmp) 344887Schin 354887Schin #else 364887Schin 374887Schin #include <ctype.h> 384887Schin 394887Schin int 404887Schin strnacmp(const char* a, const char* b, size_t n) 414887Schin { 424887Schin #if CC_NATIVE == CC_ASCII 434887Schin return strncmp(a, b, n); 444887Schin #else 454887Schin register unsigned char* ua = (unsigned char*)a; 464887Schin register unsigned char* ub = (unsigned char*)b; 474887Schin register unsigned char* ue; 484887Schin register unsigned char* m; 494887Schin register int c; 504887Schin register int d; 514887Schin 524887Schin m = ccmap(CC_NATIVE, CC_ASCII); 534887Schin ue = ua + n; 544887Schin while (ua < ue) 554887Schin { 564887Schin c = m[*ua++]; 574887Schin if (d = c - m[*ub++]) 584887Schin return d; 594887Schin if (!c) 604887Schin return 0; 614887Schin } 624887Schin return 0; 634887Schin #endif 644887Schin } 654887Schin 664887Schin #endif 67