Author: araujo
Date: Mon May 28 05:01:42 2018
New Revision: 334275
URL: https://svnweb.freebsd.org/changeset/base/334275

Log:
  Update strsep(3) EXAMPLE section regards the usage of assert(3).
  
  As many people has pointed out, using assert(3) shall be not the best approach
  to verify if strdup(3) has allocated memory to string.
  
  Reviewed by:  imp
  MFC after:    4 weeks.
  Sponsored by: iXsystems Inc.
  Differential Revision:        https://reviews.freebsd.org/D15594

Modified:
  head/lib/libc/string/strsep.3

Modified: head/lib/libc/string/strsep.3
==============================================================================
--- head/lib/libc/string/strsep.3       Mon May 28 04:38:10 2018        
(r334274)
+++ head/lib/libc/string/strsep.3       Mon May 28 05:01:42 2018        
(r334275)
@@ -31,7 +31,7 @@
 .\"    @(#)strsep.3    8.1 (Berkeley) 6/9/93
 .\" $FreeBSD$
 .\"
-.Dd December 5, 2008
+.Dd May 28, 2018
 .Dt STRSEP 3
 .Os
 .Sh NAME
@@ -86,12 +86,12 @@ to parse a string, and prints each token in separate l
 char *token, *string, *tofree;
 
 tofree = string = strdup("abc,def,ghi");
-assert(string != NULL);
+if (string != NULL)
+       while ((token = strsep(&string, ",")) != NULL)
+               printf("%s\en", token);
 
-while ((token = strsep(&string, ",")) != NULL)
-       printf("%s\en", token);
-
 free(tofree);
+free(string);
 .Ed
 .Pp
 The following uses
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