diff options
Diffstat (limited to 'src/lib9/postnote.c')
| -rw-r--r-- | src/lib9/postnote.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/lib9/postnote.c b/src/lib9/postnote.c index 68e6d2f6..d750c69d 100644 --- a/src/lib9/postnote.c +++ b/src/lib9/postnote.c @@ -18,6 +18,11 @@ postnote(int who, int pid, char *msg) return -1; } + if(pid <= 0){ + werrstr("bad pid in postnote"); + return -1; + } + switch(who){ default: werrstr("bad who in postnote"); |