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| author | antirez <antirez@gmail.com> | 2018-09-13 08:31:55 +0200 |
|---|---|---|
| committer | antirez <antirez@gmail.com> | 2018-09-13 08:31:55 +0200 |
| commit | ffbf8f4b8e87f1974a1488d5269659eccbb162e6 (patch) | |
| tree | ee7592464f4dff07e4f387aee26c4e9dc86d30cf /src/lolwut.c | |
| parent | 5c9a7b891fc823fa1b5df09ec53b31db11e96145 (diff) | |
| download | redis-ffbf8f4b8e87f1974a1488d5269659eccbb162e6.tar.gz | |
LOLWUT: Limit maximum CPU effort.
Diffstat (limited to 'src/lolwut.c')
| -rw-r--r-- | src/lolwut.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/lolwut.c b/src/lolwut.c index 33824729b..63258095d 100644 --- a/src/lolwut.c +++ b/src/lolwut.c @@ -261,9 +261,14 @@ void lolwutCommand(client *c) { getLongFromObjectOrReply(c,c->argv[3],&squares_per_col,NULL) != C_OK) return; + /* Limits. We want LOLWUT to be always reasonably fast and cheap to execute + * so we have maximum number of columns, rows, and output resulution. */ if (cols < 1) cols = 1; + if (cols > 1000) cols = 1000; if (squares_per_row < 1) squares_per_row = 1; + if (squares_per_row > 200) squares_per_row = 200; if (squares_per_col < 1) squares_per_col = 1; + if (squares_per_col > 200) squares_per_col = 200; /* Generate some computer art and reply. */ lwCanvas *canvas = lwDrawSchotter(cols,squares_per_row,squares_per_col); |