diff options
Diffstat (limited to 'src/3rdparty/zlib/src/infback.c')
-rw-r--r-- | src/3rdparty/zlib/src/infback.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/src/3rdparty/zlib/src/infback.c b/src/3rdparty/zlib/src/infback.c index 59679ecbfc..babeaf1806 100644 --- a/src/3rdparty/zlib/src/infback.c +++ b/src/3rdparty/zlib/src/infback.c @@ -1,5 +1,5 @@ /* infback.c -- inflate using a call-back interface - * Copyright (C) 1995-2016 Mark Adler + * Copyright (C) 1995-2022 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -66,6 +66,7 @@ int stream_size; state->window = window; state->wnext = 0; state->whave = 0; + state->sane = 1; return Z_OK; } @@ -477,6 +478,7 @@ void FAR *out_desc; } Tracev((stderr, "inflate: codes ok\n")); state->mode = LEN; + /* fallthrough */ case LEN: /* use inflate_fast() if we have enough input and output */ @@ -604,25 +606,27 @@ void FAR *out_desc; break; case DONE: - /* inflate stream terminated properly -- write leftover output */ + /* inflate stream terminated properly */ ret = Z_STREAM_END; - if (left < state->wsize) { - if (out(out_desc, state->window, state->wsize - left)) - ret = Z_BUF_ERROR; - } goto inf_leave; case BAD: ret = Z_DATA_ERROR; goto inf_leave; - default: /* can't happen, but makes compilers happy */ + default: + /* can't happen, but makes compilers happy */ ret = Z_STREAM_ERROR; goto inf_leave; } - /* Return unused input */ + /* Write leftover output and return unused input */ inf_leave: + if (left < state->wsize) { + if (out(out_desc, state->window, state->wsize - left) && + ret == Z_STREAM_END) + ret = Z_BUF_ERROR; + } strm->next_in = next; strm->avail_in = have; return ret; |