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 * Glenn Fowler 25*b30d1939SAndy Fiddaman * AT&T Research 26*b30d1939SAndy Fiddaman * 27*b30d1939SAndy Fiddaman * convert \X character constants in s in place 28*b30d1939SAndy Fiddaman * the length of the converted s is returned (may have embedded \0's) 29*b30d1939SAndy Fiddaman * wide chars absent locale guidance default to UTF-8 30*b30d1939SAndy Fiddaman * strexp() FMT_EXP_* flags passed to chrexp() for selective conversion 31*b30d1939SAndy Fiddaman */ 32*b30d1939SAndy Fiddaman 33*b30d1939SAndy Fiddaman #include <ast.h> 34*b30d1939SAndy Fiddaman 35*b30d1939SAndy Fiddaman int strexp(register char * s,int flags)36*b30d1939SAndy Fiddamanstrexp(register char* s, int flags) 37*b30d1939SAndy Fiddaman { 38*b30d1939SAndy Fiddaman register char* t; 39*b30d1939SAndy Fiddaman register unsigned int c; 40*b30d1939SAndy Fiddaman char* b; 41*b30d1939SAndy Fiddaman char* e; 42*b30d1939SAndy Fiddaman int w; 43*b30d1939SAndy Fiddaman 44*b30d1939SAndy Fiddaman b = t = s; 45*b30d1939SAndy Fiddaman while (c = *s++) 46*b30d1939SAndy Fiddaman { 47*b30d1939SAndy Fiddaman if (c == '\\') 48*b30d1939SAndy Fiddaman { 49*b30d1939SAndy Fiddaman c = chrexp(s - 1, &e, &w, flags); 50*b30d1939SAndy Fiddaman s = e; 51*b30d1939SAndy Fiddaman if (w) 52*b30d1939SAndy Fiddaman { 53*b30d1939SAndy Fiddaman t += mbwide() ? mbconv(t, c) : wc2utf8(t, c); 54*b30d1939SAndy Fiddaman continue; 55*b30d1939SAndy Fiddaman } 56*b30d1939SAndy Fiddaman } 57*b30d1939SAndy Fiddaman *t++ = c; 58*b30d1939SAndy Fiddaman } 59*b30d1939SAndy Fiddaman *t = 0; 60*b30d1939SAndy Fiddaman return t - b; 61*b30d1939SAndy Fiddaman } 62*b30d1939SAndy Fiddaman 63*b30d1939SAndy Fiddaman int stresc(register char * s)64*b30d1939SAndy Fiddamanstresc(register char* s) 65*b30d1939SAndy Fiddaman { 66*b30d1939SAndy Fiddaman return strexp(s, FMT_EXP_CHAR|FMT_EXP_LINE|FMT_EXP_WIDE); 67*b30d1939SAndy Fiddaman } 68