1*b30d1939SAndy Fiddaman /*********************************************************************** 2*b30d1939SAndy Fiddaman * * 3*b30d1939SAndy Fiddaman * This software is part of the ast package * 4*b30d1939SAndy Fiddaman * Copyright (c) 1985-2011 AT&T Intellectual Property * 5*b30d1939SAndy Fiddaman * and is licensed under the * 6*b30d1939SAndy Fiddaman * Eclipse Public License, Version 1.0 * 7*b30d1939SAndy Fiddaman * by AT&T Intellectual Property * 8*b30d1939SAndy Fiddaman * * 9*b30d1939SAndy Fiddaman * A copy of the License is available at * 10*b30d1939SAndy Fiddaman * http://www.eclipse.org/org/documents/epl-v10.html * 11*b30d1939SAndy Fiddaman * (with md5 checksum b35adb5213ca9657e911e9befb180842) * 12*b30d1939SAndy Fiddaman * * 13*b30d1939SAndy Fiddaman * Information and Software Systems Research * 14*b30d1939SAndy Fiddaman * AT&T Research * 15*b30d1939SAndy Fiddaman * Florham Park NJ * 16*b30d1939SAndy Fiddaman * * 17*b30d1939SAndy Fiddaman * Glenn Fowler <gsf@research.att.com> * 18*b30d1939SAndy Fiddaman * David Korn <dgk@research.att.com> * 19*b30d1939SAndy Fiddaman * Phong Vo <kpv@research.att.com> * 20*b30d1939SAndy Fiddaman * * 21*b30d1939SAndy Fiddaman ***********************************************************************/ 22*b30d1939SAndy Fiddaman #pragma prototyped 23*b30d1939SAndy Fiddaman 24*b30d1939SAndy Fiddaman #include <ast.h> 25*b30d1939SAndy Fiddaman 26*b30d1939SAndy Fiddaman #if _lib_strncasecmp 27*b30d1939SAndy Fiddaman 28*b30d1939SAndy Fiddaman NoN(strncasecmp) 29*b30d1939SAndy Fiddaman 30*b30d1939SAndy Fiddaman #else 31*b30d1939SAndy Fiddaman 32*b30d1939SAndy Fiddaman #include <ctype.h> 33*b30d1939SAndy Fiddaman 34*b30d1939SAndy Fiddaman #undef strncasecmp 35*b30d1939SAndy Fiddaman 36*b30d1939SAndy Fiddaman int 37*b30d1939SAndy Fiddaman strncasecmp(register const char* a, register const char* b, size_t n) 38*b30d1939SAndy Fiddaman { 39*b30d1939SAndy Fiddaman register const char* e; 40*b30d1939SAndy Fiddaman register int ac; 41*b30d1939SAndy Fiddaman register int bc; 42*b30d1939SAndy Fiddaman register int d; 43*b30d1939SAndy Fiddaman 44*b30d1939SAndy Fiddaman e = a + n; 45*b30d1939SAndy Fiddaman for (;;) 46*b30d1939SAndy Fiddaman { 47*b30d1939SAndy Fiddaman if (a >= e) 48*b30d1939SAndy Fiddaman return 0; 49*b30d1939SAndy Fiddaman ac = *a++; 50*b30d1939SAndy Fiddaman if (isupper(ac)) 51*b30d1939SAndy Fiddaman ac = tolower(ac); 52*b30d1939SAndy Fiddaman bc = *b++; 53*b30d1939SAndy Fiddaman if (isupper(bc)) 54*b30d1939SAndy Fiddaman bc = tolower(bc); 55*b30d1939SAndy Fiddaman if (d = ac - bc) 56*b30d1939SAndy Fiddaman return d; 57*b30d1939SAndy Fiddaman if (!ac) 58*b30d1939SAndy Fiddaman return 0; 59*b30d1939SAndy Fiddaman } 60*b30d1939SAndy Fiddaman } 61*b30d1939SAndy Fiddaman 62*b30d1939SAndy Fiddaman #endif 63