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| author | Russ Cox <rsc@swtch.com> | 2009-12-27 09:22:43 -0800 |
|---|---|---|
| committer | Russ Cox <rsc@swtch.com> | 2009-12-27 09:22:43 -0800 |
| commit | 6530d37d7f3f6d00527a71ba8a02c536c28b5d9f (patch) | |
| tree | 8b9d6a92c23a9be4a4c5a7b3d56d5ac92ec4aa94 /src/cmd/troff | |
| parent | 7351eea28ed2d396ca524bb0164501aaca857e8f (diff) | |
| download | plan9port-6530d37d7f3f6d00527a71ba8a02c536c28b5d9f.tar.gz plan9port-6530d37d7f3f6d00527a71ba8a02c536c28b5d9f.tar.bz2 plan9port-6530d37d7f3f6d00527a71ba8a02c536c28b5d9f.zip | |
troff: avoid crash if home == NULL
R=rsc
http://codereview.appspot.com/181070
Diffstat (limited to 'src/cmd/troff')
| -rw-r--r-- | src/cmd/troff/dwbinit.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/cmd/troff/dwbinit.c b/src/cmd/troff/dwbinit.c index 9c1845b0..064a0b02 100644 --- a/src/cmd/troff/dwbinit.c +++ b/src/cmd/troff/dwbinit.c @@ -189,7 +189,8 @@ char *DWBhome(void) if ( (home = DWBHOME) == NULL || *home == '\0' || *home == ' ' ) home = NULL; } /* End if */ - home = unsharp(home); + if ( home != NULL ) + home = unsharp(home); } /* End if */ while (home && *home == '/' && *(home +1) == '/') /* remove extra slashes */ |