From: graham.gower <graham.gower@e8e0d7a0-c8d9-11dd-a880-a1081c7ac358>
Date: Mon, 15 Feb 2010 23:10:02 +0000 (+0000)
Subject: Flush stdout, stderr before forking. From Richard Purdie. Thanks!
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=dbf9c6748a2c7eb32f7a61ea2b393d32ea334c8b;p=oweals%2Fopkg-lede.git

Flush stdout, stderr before forking. From Richard Purdie. Thanks!

Patch to remove "duplicate" bits of logs from opkg output, which
massively simplifies do_rootfs logs. The reason is we get unflushed
data passed to the children and duplicated.

RP - 26/1/10

git-svn-id: http://opkg.googlecode.com/svn/trunk@522 e8e0d7a0-c8d9-11dd-a880-a1081c7ac358
---

diff --git a/libbb/gz_open.c b/libbb/gz_open.c
index 7c7c722..40f741f 100644
--- a/libbb/gz_open.c
+++ b/libbb/gz_open.c
@@ -38,6 +38,12 @@ gz_open(FILE *compressed_file, int *pid)
 		perror_msg("pipe");
 		return(NULL);
 	}
+
+    /* If we don't flush, we end up with two copies of anything pending, 
+       one from the parent, one from the child */
+    fflush(stdout);
+    fflush(stderr);
+
 	if ((*pid = fork()) == -1) {
 		perror_msg("fork");
 		return(NULL);