1 /* Find the length of STRING, but scan at most MAXLEN characters. 2 Copyright (C) 2005 Free Software Foundation, Inc. 3 Written by Simon Josefsson. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 2, or (at your option) 8 any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program; if not, write to the Free Software Foundation, 17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ 18 19 #ifndef STRNLEN_H 20 #define STRNLEN_H 21 22 /* Get strnlen declaration, if available. */ 23 #include <string.h> 24 25 #if defined HAVE_DECL_STRNLEN && !HAVE_DECL_STRNLEN 26 /* Find the length (number of bytes) of STRING, but scan at most 27 MAXLEN bytes. If no '\0' terminator is found in that many bytes, 28 return MAXLEN. */ 29 extern size_t strnlen(const char *string, size_t maxlen); 30 #endif 31 32 #endif /* STRNLEN_H */ 33