From 9a8179ef438ed57ad9e1fb34844eb4f9dae6b138 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Thu, 13 Apr 2023 08:15:22 -0400
Subject: ustar: Fix EOF logic

---
diff --git a/src/gzip.c b/src/gzip.c
index 472d656..f3fbdb9 100644
--- a/src/gzip.c
+++ b/src/gzip.c
@@ -65,13 +65,13 @@ static int
 _opkg_opk_gzip_next_record_from_file(struct opkg_opk_gzip_state *state)
 {
 	for (;;) {
-		if (feof(state->input_file)) {
-			fclose(state->input_file);
-			state->input_file = NULL;
-			inflateEnd(&state->stream);
-			return OPKG_OPK_OK;
-		}
 		if (state->stream.avail_in == 0) {
+			if (feof(state->input_file)) {
+				fclose(state->input_file);
+				state->input_file = NULL;
+				inflateEnd(&state->stream);
+				return OPKG_OPK_ERROR;
+			}
 			state->stream.avail_in = fread(state->input_buffer,
 					1, OPKG_OPK_GZIP_BUFFER_SIZE,
 					state->input_file);
@@ -88,9 +88,13 @@ _opkg_opk_gzip_next_record_from_file(struct opkg_opk_gzip_state *state)
 		}
 		switch (inflate(&state->stream, Z_SYNC_FLUSH)) {
 			case Z_OK:
-			case Z_STREAM_END:
 			case Z_BUF_ERROR:
 				break;
+			case Z_STREAM_END:
+				fclose(state->input_file);
+				state->input_file = NULL;
+				inflateEnd(&state->stream);
+				return OPKG_OPK_END;
 			default:
 				fclose(state->input_file);
 				state->input_file = NULL;
--
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