config: handle alloc failure in Mapping init

This commit is contained in:
Isaac Freund 2020-08-21 20:06:26 +02:00
parent c7c1934b70
commit 4a334829f3
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@ -31,8 +31,12 @@ pub fn init(
modifiers: u32,
command_args: []const []const u8,
) !Self {
var owned_args = try allocator.alloc([]u8, command_args.len);
for (command_args) |arg, i| owned_args[i] = try std.mem.dupe(allocator, u8, arg);
const owned_args = try allocator.alloc([]u8, command_args.len);
errdefer allocator.free(owned_args);
for (command_args) |arg, i| {
errdefer for (owned_args[0..i]) |a| allocator.free(a);
owned_args[i] = try std.mem.dupe(allocator, u8, arg);
}
return Self{
.keysym = keysym,
.modifiers = modifiers,