From 76337de2fe9938006ecc7088c91aa4335b49f5ec Mon Sep 17 00:00:00 2001
From: Stephen Seo <seo.disparate@gmail.com>
Date: Thu, 10 Apr 2025 15:00:55 +0900
Subject: [PATCH] Attempt to fix write bug by setting pipe blocking

Attempts to fix https://github.com/Stephen-Seo/SimpleArchiver/issues/6 .
---
 src/archiver.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/archiver.c b/src/archiver.c
index aee8a5a..68c0a5c 100644
--- a/src/archiver.c
+++ b/src/archiver.c
@@ -6734,6 +6734,14 @@ SDArchiverStateRetStruct simple_archiver_write_v4v5(
         }
       }
 
+      const int existing_pipe_flags = fcntl(pipe_into_write, F_GETFL);
+      const int existing_pipe_flags_blocking =
+        existing_pipe_flags & ~O_NONBLOCK;
+      if (fcntl(pipe_into_write, F_SETFL, existing_pipe_flags_blocking) == -1) {
+        fprintf(stderr,
+                "ERROR: Unable to remove non-blocking on into-write-pipe!\n");
+        return SDA_RET_STRUCT(SDAS_COMPRESSION_ERROR);
+      }
       simple_archiver_internal_cleanup_int_fd(&pipe_into_write);
 
       // Finish writing.
-- 
2.49.0