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| author | David Phillips <dbphillipsnz@gmail.com> | 2016-04-19 13:23:36 +1200 |
|---|---|---|
| committer | David Phillips <dbphillipsnz@gmail.com> | 2016-04-19 13:23:39 +1200 |
| commit | e81bb0377064e9bad5808c20c17be4019accbee2 (patch) | |
| tree | a0c8460d95f118ad9d6ce242e937bf37f8f89be0 | |
| parent | 83e9348be530e55b5309b77373b08dadb0bf95e9 (diff) | |
| download | fractal-gen-e81bb0377064e9bad5808c20c17be4019accbee2.tar.xz | |
Bail out properly when no args supplied
| -rw-r--r-- | fractal-gen.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fractal-gen.c b/fractal-gen.c index d2d21f9..855017e 100644 --- a/fractal-gen.c +++ b/fractal-gen.c @@ -172,6 +172,10 @@ int parse_args(int argc, char **argv) clust_id = 0; clust_total = 1; + /* bail out early if no arguments are supplied */ + if (argc <= 1) + return 1; + while ( (opt = getopt(argc, argv, "s:i:e:c:t:N:T")) != -1 ) { switch (opt) |