Module Name: src
Committed By: christos
Date: Wed Oct 12 20:01:40 UTC 2016
Added Files:
src/common/lib/libc/string: strchrnul.c
Log Message:
Add strchrnul
To generate a diff of this commit:
cvs rdiff -u -r0 -r1.1 src/common/lib/libc/string/strchrnul.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Added files:
Index: src/common/lib/libc/string/strchrnul.c
diff -u /dev/null src/common/lib/libc/string/strchrnul.c:1.1
--- /dev/null Wed Oct 12 16:01:40 2016
+++ src/common/lib/libc/string/strchrnul.c Wed Oct 12 16:01:40 2016
@@ -0,0 +1,62 @@
+/* $NetBSD: strchrnul.c,v 1.1 2016/10/12 20:01:40 christos Exp $ */
+
+/*-
+ * Copyright (c) 1990, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#if defined(LIBC_SCCS) && !defined(lint)
+#if 0
+static char sccsid[] = "@(#)index.c 8.1 (Berkeley) 6/4/93";
+#else
+__RCSID("$NetBSD: strchrnul.c,v 1.1 2016/10/12 20:01:40 christos Exp $");
+#endif
+#endif /* LIBC_SCCS and not lint */
+
+#if !defined(_KERNEL) && !defined(_STANDALONE)
+#include "namespace.h"
+#include <assert.h>
+#include <string.h>
+#else
+#include <lib/libkern/libkern.h>
+#endif
+
+char *
+strchrnul(const char *p, int ch)
+{
+ const char cmp = ch;
+ _DIAGASSERT(p != NULL);
+
+ for (;; ++p) {
+ if (*p == cmp || !*p) {
+ /* LINTED const cast-away */
+ return __UNCONST(p);
+ }
+ }
+ /* NOTREACHED */
+}
