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| author | Simon Ser <contact@emersion.fr> | 2022-01-09 01:03:49 +0100 |
|---|---|---|
| committer | Simon Ser <contact@emersion.fr> | 2022-01-09 10:17:02 +0100 |
| commit | 6cb69a40c757cc44906fd928c43e60612c0e7ce8 (patch) | |
| tree | 04401253548aec28c76707f99b3c7f8fed6d32e8 /common/util.c | |
| parent | e2b4c573d6506250c77f01512bc07c72996cd363 (diff) | |
| download | sway-6cb69a40c757cc44906fd928c43e60612c0e7ce8.tar.xz | |
Add safety assert in parse_movement_unit
Let's add this just in case a caller passes argc == 0.
References: https://github.com/swaywm/sway/issues/6737#issuecomment-1008082540
Diffstat (limited to 'common/util.c')
| -rw-r--r-- | common/util.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/common/util.c b/common/util.c index 199f3ee1..5d4c0673 100644 --- a/common/util.c +++ b/common/util.c @@ -80,6 +80,12 @@ enum movement_unit parse_movement_unit(const char *unit) { int parse_movement_amount(int argc, char **argv, struct movement_amount *amount) { + if (!sway_assert(argc > 0, "Expected args in parse_movement_amount")) { + amount->amount = 0; + amount->unit = MOVEMENT_UNIT_INVALID; + return 0; + } + char *err; amount->amount = (int)strtol(argv[0], &err, 10); if (*err) { |