diff options
Diffstat (limited to 'src/common/compress.c')
-rw-r--r-- | src/common/compress.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/common/compress.c b/src/common/compress.c index 7926faaa60..beeff5fcb8 100644 --- a/src/common/compress.c +++ b/src/common/compress.c @@ -546,6 +546,13 @@ tor_compress_process(tor_compress_state_t *state, const size_t out_len_orig = *out_len; tor_compress_output_t rv; + if (*out_len == 0 && (*in_len > 0 || finish)) { + // If we still have input data, but no space for output data, we might as + // well return early and let the caller do the reallocation of the out + // variable. + return TOR_COMPRESS_BUFFER_FULL; + } + switch (state->method) { case GZIP_METHOD: case ZLIB_METHOD: |