Initial commit of upstream NSPR (4.7.3) and NSS3 (3.12).

third_party/nspr/mozilla/nsprpub/lib/libc/src/strlen.c

Index: third_party/nspr/mozilla/nsprpub/lib/libc/src/strlen.c
diff --git a/third_party/nspr/mozilla/nsprpub/lib/libc/src/strlen.c b/third_party/nspr/mozilla/nsprpub/lib/libc/src/strlen.c
new file mode 100644
index 0000000000000000000000000000000000000000..6c47677727b81cc843185ec0e45aeac68f5e0af3
--- /dev/null
+++ b/third_party/nspr/mozilla/nsprpub/lib/libc/src/strlen.c
@@ -0,0 +1,71 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Netscape Portable Runtime (NSPR).
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998-2000
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "plstr.h"
+#include "prtypes.h"
+#include "prlog.h"
+#include <string.h>
+
+PR_IMPLEMENT(PRUint32)
+PL_strlen(const char *str)
+{
+    size_t l;
+
+    if( (const char *)0 == str ) return 0;
+
+    l = strlen(str);
+
+    /* error checking in case we have a 64-bit platform -- make sure
+     * we don't have ultra long strings that overflow an int32
+     */ 
+    if( sizeof(PRUint32) < sizeof(size_t) )
+        PR_ASSERT(l < 2147483647);
+
+    return (PRUint32)l;
+}
+
+PR_IMPLEMENT(PRUint32)
+PL_strnlen(const char *str, PRUint32 max)
+{
+    register const char *s;
+
+    if( (const char *)0 == str ) return 0;
+    for( s = str; max && *s; s++, max-- )
+        ;
+
+    return (PRUint32)(s - str);
+}