filebuf.c: fix unused-but-set warning write_deflate() used to ignore errors by zlib's deflate function when not compiling in DEBUG mode. Always read $result and throw an error instead. Signed-off-by: schu <schu-github@schulog.org>
diff --git a/src/filebuf.c b/src/filebuf.c
index e8c5087..7ec9142 100644
--- a/src/filebuf.c
+++ b/src/filebuf.c
@@ -126,7 +126,8 @@ static int write_deflate(git_filebuf *file, void *source, size_t len)
zs->avail_out = (uInt)file->buf_size;
result = deflate(zs, file->flush_mode);
- assert(result != Z_STREAM_ERROR);
+ if (result == Z_STREAM_ERROR)
+ return git__throw(GIT_ERROR, "Failed to deflate input");
have = file->buf_size - (size_t)zs->avail_out;