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| author | Eric S. Raymond <esr@thyrsus.com> | 1998-03-24 04:39:59 +0000 |
|---|---|---|
| committer | Eric S. Raymond <esr@thyrsus.com> | 1998-03-24 04:39:59 +0000 |
| commit | 30abdc40501b9675ead72fa59ae138fc4336de47 (patch) | |
| tree | 0780784e2bbb19dc91f27efb71d50a21c2b73d8b /uid.c | |
| parent | 82bbe2cb114ed913133261c19f3ff04097865d3d (diff) | |
| download | fetchmail-30abdc40501b9675ead72fa59ae138fc4336de47.tar.gz fetchmail-30abdc40501b9675ead72fa59ae138fc4336de47.tar.bz2 fetchmail-30abdc40501b9675ead72fa59ae138fc4336de47.zip | |
Prevernt formation of pathological lists.
svn path=/trunk/; revision=1722
Diffstat (limited to 'uid.c')
| -rw-r--r-- | uid.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -277,7 +277,9 @@ int delete_str(struct idlist **idl, int num) void append_str_list(struct idlist **idl, struct idlist **nidl) /* append nidl to idl (does not copy *) */ { - if ((*idl) == (struct idlist *)NULL) + if ((*nidl) == (struct idlist *)NULL) + return; + else if ((*idl) == (struct idlist *)NULL) *idl = *nidl; else if ((*idl)->next == (struct idlist *)NULL) (*idl)->next = *nidl; |