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| author | June McEnroe <june@causal.agency> | 2021-05-19 16:41:26 -0400 |
|---|---|---|
| committer | June McEnroe <june@causal.agency> | 2021-05-19 16:42:39 -0400 |
| commit | f9e45b9d34a7ed8d2947b6ba3e0ba8f4dd8a5e0b (patch) | |
| tree | 6c9b6b33ee555cbfdd1fe704f9542241f58bff91 /litterbox.c | |
| parent | Replace freenode with tilde.chat (diff) | |
| download | litterbox-f9e45b9d34a7ed8d2947b6ba3e0ba8f4dd8a5e0b.tar.gz litterbox-f9e45b9d34a7ed8d2947b6ba3e0ba8f4dd8a5e0b.zip | |
Fix MOTD buffer reallocation 1.8
Woops. Not how that should be done.
Diffstat (limited to '')
| -rw-r--r-- | litterbox.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/litterbox.c b/litterbox.c index a7c0e30..48e5b60 100644 --- a/litterbox.c +++ b/litterbox.c @@ -217,8 +217,10 @@ static void handleReplyMOTD(struct Message *msg) { char *line = msg->params[1]; if (!strncmp(line, "- ", 2)) line += 2; size_t len = strlen(line); - if (motd.len + len + 1 > motd.cap) { - motd.cap = (motd.cap ? motd.cap * 2 : len + 1); + size_t req = motd.len + len + 1; + if (req > motd.cap) { + if (!motd.cap) motd.cap = 1024; + while (req > motd.cap) motd.cap *= 2; motd.buf = realloc(motd.buf, motd.cap); if (!motd.buf) err(EX_OSERR, "realloc"); } |