diff options
author | Mark Spencer <markster@digium.com> | 2006-04-04 05:53:48 +0000 |
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committer | Mark Spencer <markster@digium.com> | 2006-04-04 05:53:48 +0000 |
commit | f11fb652624802eaeb8f8539733d326b246c6aab (patch) | |
tree | 4f896ce49cdceef6b56518be0b36fbcdaf4e55f5 | |
parent | bf4b484e628aa28958991a2fcd3369b761f102de (diff) |
Does nobody know how to write a linked list properly? I mean seriously!
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@17183 65c4cc65-6c06-0410-ace0-fbb531ad65f3
-rw-r--r-- | include/asterisk/linkedlists.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/asterisk/linkedlists.h b/include/asterisk/linkedlists.h index 610f8085b..8bff72e3f 100644 --- a/include/asterisk/linkedlists.h +++ b/include/asterisk/linkedlists.h @@ -478,11 +478,13 @@ struct { \ (head)->last = NULL; \ } else { \ typeof(elm) curelm = (head)->first; \ - while (curelm->field.next != (elm)) \ + while (curelm && (curelm->field.next != (elm))) \ curelm = curelm->field.next; \ - curelm->field.next = (elm)->field.next; \ - if ((head)->last == (elm)) \ - (head)->last = curelm; \ + if (curelm) { \ + curelm->field.next = (elm)->field.next; \ + if ((head)->last == (elm)) \ + (head)->last = curelm; \ + } \ } \ } while (0) |