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 * Glenn Fowler 254887Schin * AT&T Research 264887Schin * 274887Schin * convert \X character constants in s in place 284887Schin * the length of the converted s is returned (may have embedded \0's) 294887Schin */ 304887Schin 314887Schin #include <ast.h> 324887Schin 334887Schin int stresc(register char * s)344887Schinstresc(register char* s) 354887Schin { 364887Schin register char* t; 374887Schin register unsigned int c; 384887Schin char* b; 394887Schin char* e; 404887Schin 414887Schin b = t = s; 424887Schin while (c = *s++) 434887Schin { 444887Schin if (c == '\\') 454887Schin { 464887Schin c = chresc(s - 1, &e); 474887Schin s = e; 484887Schin if (c > UCHAR_MAX) 494887Schin { 50*12068SRoger.Faulkner@Oracle.COM t += mbconv(t, c); 514887Schin continue; 524887Schin } 534887Schin } 544887Schin *t++ = c; 554887Schin } 564887Schin *t = 0; 574887Schin return t - b; 584887Schin } 59