diff options
| -rw-r--r-- | core/membuffer.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/core/membuffer.c b/core/membuffer.c index d0e5160ef..3b42797e1 100644 --- a/core/membuffer.c +++ b/core/membuffer.c @@ -110,6 +110,18 @@ void put_vformat(struct membuffer *b, const char *fmt, va_list args) len = vsnprintf(target, room, fmt, copy); va_end(copy); + // Buggy C library? + if (len < 0) { + // We have to just give up at some point + if (room > 1000) + return; + + // We don't know how big an area we should ask for, + // so just expand our allocation by 50% + room = room * 3 / 2; + continue; + } + if (len < room) { b->len += len; return; |