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Update strsep(3) EXAMPLE section regards the usage of assert(3).

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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
This commit is contained in:
Marcelo Araujo 2018-05-28 05:01:42 +00:00
parent fccdefa1a1
commit 4bee02ad1b
1 changed files with 5 additions and 5 deletions
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10
lib/libc/string/strsep.3
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@ -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 line:
char *token, *string, *tofree;
tofree = string = strdup("abc,def,ghi");
assert(string != NULL);
while ((token = strsep(&string, ",")) != NULL)
printf("%s\en", token);
if (string != NULL)
while ((token = strsep(&string, ",")) != NULL)
printf("%s\en", token);
free(tofree);
free(string);
.Ed
.Pp
The following uses