1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1997-2011 AT&T Intellectual Property * 5 * and is licensed under the * 6 * Eclipse Public License, Version 1.0 * 7 * by AT&T Intellectual Property * 8 * * 9 * A copy of the License is available at * 10 * http://www.eclipse.org/org/documents/epl-v10.html * 11 * (with md5 checksum b35adb5213ca9657e911e9befb180842) * 12 * * 13 * Information and Software Systems Research * 14 * AT&T Research * 15 * Florham Park NJ * 16 * * 17 * Glenn Fowler <gsf@research.att.com> * 18 * * 19 ***********************************************************************/ 20 #pragma prototyped 21 /* 22 * Glenn Fowler 23 * AT&T Research 24 */ 25 26 #include "dlllib.h" 27 28 Dllstate_t state; 29 30 /* 31 * return error message from last failed dl*() call 32 * retain==0 resets the last dl*() error 33 */ 34 35 extern char* 36 dllerror(int retain) 37 { 38 char* s; 39 40 if (state.error) 41 { 42 state.error = retain; 43 return state.errorbuf; 44 } 45 s = dlerror(); 46 if (retain) 47 { 48 state.error = retain; 49 sfsprintf(state.errorbuf, sizeof(state.errorbuf), "%s", s); 50 } 51 return s; 52 } 53