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-rw-r--r--mbbsd/brc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mbbsd/brc.c b/mbbsd/brc.c
index 7ba1f40e..b3be8101 100644
--- a/mbbsd/brc.c
+++ b/mbbsd/brc.c
@@ -130,9 +130,10 @@ brc_putrecord(char *ptr, char *endp, brcbid_t bid, brcnbrd_t num, const time_t *
static inline int
brc_enlarge_buf()
{
- char buffer[BRC_MAXSIZE - BRC_BLOCKSIZE];
+ char *buffer;
if (brc_alloc >= BRC_MAXSIZE)
return 0;
+ buffer = (char*)alloca(brc_alloc);
memcpy(buffer, brc_buf, brc_alloc);
free(brc_buf);
brc_alloc += BRC_BLOCKSIZE;