coreutils/lib/strnlen.h
2005-09-22 06:22:44 +00:00

33 lines
1.2 KiB
C

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