1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Knowledge Ventures * 8 * * 9 * A copy of the License is available at * 10 * http://www.opensource.org/licenses/cpl1.0.txt * 11 * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12 * * 13 * Information and Software Systems Research * 14 * AT&T Research * 15 * Florham Park NJ * 16 * * 17 * Glenn Fowler <gsf@research.att.com> * 18 * David Korn <dgk@research.att.com> * 19 * Phong Vo <kpv@research.att.com> * 20 * * 21 ***********************************************************************/ 22 #pragma prototyped 23 /* 24 * strlcpy implementation 25 */ 26 27 #define strlcpy ______strlcpy 28 29 #include <ast.h> 30 31 #undef strlcpy 32 33 #undef _def_map_ast 34 #include <ast_map.h> 35 36 #if _lib_strlcpy 37 38 NoN(strlcpy) 39 40 #else 41 42 /* 43 * copy at most n chars from t into s 44 * result 0 terminated if n>0 45 * strlen(t) returned 46 */ 47 48 #if defined(__EXPORT__) 49 #define extern __EXPORT__ 50 #endif 51 52 extern size_t 53 strlcpy(register char* s, register const char* t, register size_t n) 54 { 55 const char* o = t; 56 57 if (n) 58 do 59 { 60 if (!--n) 61 { 62 *s = 0; 63 break; 64 } 65 } while (*s++ = *t++); 66 if (!n) 67 while (*t++); 68 return t - o - 1; 69 } 70 71 #endif 72