Add strchr.c

diff --git a/sys/lib/libsa/Makefile b/sys/lib/libsa/Makefile
index d6b629b..cf9c468 100644 (file)
--- a/sys/lib/libsa/Makefile
+++ b/sys/lib/libsa/Makefile
@@ -1,4 +1,4 @@
-#      $OpenBSD: Makefile,v 1.18 1997/04/13 21:44:46 weingart Exp $
+#      $OpenBSD: Makefile,v 1.19 1997/05/05 14:32:18 millert Exp $
 #      $NetBSD: Makefile,v 1.13 1996/10/02 16:19:51 ws Exp $
 
 LIB=   sa
@@ -21,8 +21,8 @@ CPPFLAGS+= -D__INTERNAL_LIBSA_CREAD
 .endif
 
 # stand routines
-SRCS+= alloc.c memcpy.c exit.c exec.c getfile.c gets.c globals.c \
-       printf.c strerror.c strcmp.c memset.c memcmp.c strncpy.c strncmp.c
+SRCS+= alloc.c memcpy.c exit.c exec.c getfile.c gets.c globals.c printf.c \
+       strerror.c strcmp.c memset.c memcmp.c strncpy.c strncmp.c strchr.c
 
 # math from libkern
 SRCS+= divdi3.c qdivrem.c

diff --git a/sys/lib/libsa/strchr.c b/sys/lib/libsa/strchr.c
new file mode 100644 (file)
index 0000000..1d97ffa
--- /dev/null
+++ b/sys/lib/libsa/strchr.c
@@ -0,0 +1,57 @@
+/*     $OpenBSD: strchr.c,v 1.1 1997/05/05 14:32:16 millert Exp $      */
+
+/*-
+ * Copyright (c) 1990 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the University of
+ *     California, Berkeley and its contributors.
+ * 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char *rcsid = "$OpenBSD: strchr.c,v 1.1 1997/05/05 14:32:16 millert Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#ifndef _KERNEL
+#include <string.h>
+#else
+#include <lib/libkern/libkern.h>
+#endif
+
+char *
+strchr(p, ch)
+       register const char *p, ch;
+{
+       for (;; ++p) {
+               if (*p == ch)
+                       return((char *)p);
+               if (!*p)
+                       return((char *)NULL);
+       }
+       /* NOTREACHED */
+}