diff options
Diffstat (limited to 'mbbsd/brc.c')
| -rw-r--r-- | mbbsd/brc.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/mbbsd/brc.c b/mbbsd/brc.c index ede94386..7ad5e30c 100644 --- a/mbbsd/brc.c +++ b/mbbsd/brc.c @@ -184,16 +184,22 @@ brc_insert_record(brcbid_t bid, brcnbrd_t num, time_t* list) } else { /* ptr points to the old current brc list. * tmpp is the end of it (exclusive). */ - char *tmpp = ptr + sizeof(brcbid_t) + sizeof(brcnbrd_t) - + tnum * sizeof(time_t); + int len = sizeof(brcbid_t) + sizeof(brcnbrd_t) + tnum * sizeof(time_t); + char *tmpp = ptr + len; end_size = brc_buf + brc_size - tmpp; if (num) { + int sindex = ptr - brc_buf; new_size = sizeof(brcbid_t) + sizeof(brcnbrd_t) + num * sizeof(time_t); brc_size += new_size - (tmpp - ptr); - if (brc_size > brc_alloc && ! brc_enlarge_buf() ) { - end_size -= brc_size - BRC_MAXSIZE; - brc_size = BRC_MAXSIZE; + if (brc_size > brc_alloc) { + if (brc_enlarge_buf()) { + ptr = brc_buf + sindex; + tmpp = ptr + len; + } else { + end_size -= brc_size - BRC_MAXSIZE; + brc_size = BRC_MAXSIZE; + } } if (end_size > 0 && ptr + new_size != tmpp) memmove(ptr + new_size, tmpp, end_size); |