xnu-7195.101.1.tar.gz

[apple/xnu.git] / bsd / libkern / strsep.c

diff --git a/bsd/libkern/strsep.c b/bsd/libkern/strsep.c
index 75ef7cf1b590112830f4591bb7df793d17ca4887..3c4c13c7e263a1a832d34fd4a708f13a407c421b 100644 (file)
--- a/bsd/libkern/strsep.c
+++ b/bsd/libkern/strsep.c
@@ -1,3 +1,31 @@
+/*
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+
 /*-
  * Copyright (c) 1990, 1993
  *     The Regents of the University of California.  All rights reserved.
@@ -48,28 +76,28 @@ static char sccsid[] = "@(#)strsep.c        8.1 (Berkeley) 6/4/93";
  * If *stringp is NULL, strsep returns NULL.
  */
 char *
-strsep(stringp, delim)
-       char **stringp;
-       const char *delim;
+strsep(char **stringp, const char *delim)
 {
        char *s;
        const char *spanp;
        int c, sc;
        char *tok;
 
-       if ((s = *stringp) == NULL)
-               return (NULL);
+       if ((s = *stringp) == NULL) {
+               return NULL;
+       }
        for (tok = s;;) {
                c = *s++;
                spanp = delim;
                do {
                        if ((sc = *spanp++) == c) {
-                               if (c == 0)
+                               if (c == 0) {
                                        s = NULL;
-                               else
+                               } else {
                                        s[-1] = 0;
+                               }
                                *stringp = s;
-                               return (tok);
+                               return tok;
                        }
                } while (sc != 0);
        }