diff options
| author | kvik <kvik@a-b.xyz> | 2020-11-16 11:45:05 +0100 |
|---|---|---|
| committer | kvik <kvik@a-b.xyz> | 2020-11-16 11:45:05 +0100 |
| commit | 3fbcc5f4105f6add14d705ba46b684085e7e4e79 (patch) | |
| tree | eda5bbba2b49a91963e565240d1a4002f3b53437 /sys/src/cmd/ptrap.c | |
| parent | b80975da8b71c883c4aa578777e58b6c0c0821fb (diff) | |
ptrap: fail if invoked with no arguments
Diffstat (limited to 'sys/src/cmd/ptrap.c')
| -rw-r--r-- | sys/src/cmd/ptrap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/src/cmd/ptrap.c b/sys/src/cmd/ptrap.c index 30a4db07f..7cf60f7d4 100644 --- a/sys/src/cmd/ptrap.c +++ b/sys/src/cmd/ptrap.c @@ -356,7 +356,7 @@ threadmain(int argc, char **argv) default: usage(); }ARGEND; - if(argc % 2) usage(); + if(argc == 0 || argc % 2) usage(); for(i = 0; i < argc; i += 2){ f = emalloc9p(sizeof(PFilter)); f->name = strdup(argv[i]); |