diff options
Diffstat (limited to 'blaze822.c')
| -rw-r--r-- | blaze822.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/blaze822.c b/blaze822.c index 6d1b643..4276323 100644 --- a/blaze822.c +++ b/blaze822.c @@ -404,6 +404,9 @@ blaze822_hdr_(struct message *mesg, const char *hdr, size_t hdrlen) { char *v; + if (mesg->msg + hdrlen - 1 >= mesg->end) + return 0; // header too small for the key, probably empty + // special case: first header, no leading nul if (memcmp(mesg->msg, hdr+1, hdrlen-1) == 0) v = mesg->msg; |