[Midnightbsd-cvs] src [10518] trunk/lib/libc/string/strrchr.c: strrchr

[laffer1 at midnightbsd.org]

Revision: 10518
          http://svnweb.midnightbsd.org/src/?rev=10518
Author:   laffer1
Date:     2018-06-07 08:51:09 -0400 (Thu, 07 Jun 2018)
Log Message:
-----------
strrchr

Modified Paths:
--------------
    trunk/lib/libc/string/strrchr.c

Modified: trunk/lib/libc/string/strrchr.c
===================================================================
--- trunk/lib/libc/string/strrchr.c	2018-06-07 12:50:28 UTC (rev 10517)
+++ trunk/lib/libc/string/strrchr.c	2018-06-07 12:51:09 UTC (rev 10518)
@@ -1,5 +1,55 @@
+/*
+ * Copyright (c) 1988, 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)rindex.c	8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
 #include <sys/cdefs.h>
 __MBSDID("$MidnightBSD$");
 
-#define	STRRCHR
-#include "rindex.c"
+#include <stddef.h>
+#include <string.h>
+
+char *
+strrchr(const char *p, int ch)
+{
+	char *save;
+	char c;
+
+	c = ch;
+	for (save = NULL;; ++p) {
+		if (*p == c)
+			save = (char *)p;
+		if (*p == '\0')
+			return (save);
+	}
+	/* NOTREACHED */
+}
+
+__weak_reference(strrchr, rindex);