From 1bc9e1f6ebb339136842fca0fa6f897ec20fd1aa Mon Sep 17 00:00:00 2001 From: Harry Liebel Date: Thu, 12 Dec 2013 16:46:30 +0000 Subject: Add strchr() and putchar() to local C library Change-Id: I3659e119a242f8ef828e32bfdf5d0b4b7ac4f716 --- lib/stdlib/strchr.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 lib/stdlib/strchr.c (limited to 'lib/stdlib/strchr.c') diff --git a/lib/stdlib/strchr.c b/lib/stdlib/strchr.c new file mode 100644 index 00000000..36d273b0 --- /dev/null +++ b/lib/stdlib/strchr.c @@ -0,0 +1,52 @@ +/*- + * 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. + * 4. 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. + */ + +/* + * Portions copyright (c) 2013, ARM Limited and Contributors. + * All rights reserved. + */ + +#include +#include +#include + +char * +strchr(const char *p, int ch) +{ + char c; + + c = ch; + for (;; ++p) { + if (*p == c) + return ((char *)p); + if (*p == '\0') + return (NULL); + } + /* NOTREACHED */ +} -- cgit