latest sources commit

deps/mysqllite/strings/strnlen.c

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+/* Copyright (C) 2000 MySQL AB
+
+   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; version 2 of the License.
+
+   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+/*  File   : strnlen.c
+    Author : Michael Widenius
+    Updated: 20 April 1984
+    Defines: strnlen.
+    strnlen(s, len) returns the length of s or len if s is longer than len.
+*/
+
+#include <my_global.h>
+#include "m_string.h"
+
+#ifndef HAVE_STRNLEN
+
+size_t strnlen(register const char *s, register size_t maxlen)
+{
+  const char *end= (const char *)memchr(s, '\0', maxlen);
+  return end ? (size_t) (end - s) : maxlen;
+}
+
+#endif