[SCM] GNU Inetutils branch, master, updated. inetutils-1_9_3-1-g4858b4e

[Mats Erik Andersson]

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      from  c824b6fb9c636ab89f71ee69c3dd81dff2483fc5 (commit)

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- Log -----------------------------------------------------------------
http://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=4858b4e340b83c545aa5f161bb80a1433bee7886


commit 4858b4e340b83c545aa5f161bb80a1433bee7886
Author: Guillem Jover <address@hidden>
Date:   Wed May 13 22:29:12 2015 +0200

    ping, ping6: Always use line buffered output.
    
    Standard behaviour is to use line buffered output
    even when redirecting output in a pipe.

diff --git a/ChangeLog b/ChangeLog
index 28c7540..02edeac 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2015-05-13  Guillem Jover  <address@hidden>
+
+       ping, ping6: Always use line buffered output.
+       When stdout is redirected, libc will change the stream to
+       be fully buffered.  Suppress this, gaining the standard
+       behaviour of other implementations.  Issue was first reported
+       as a wishlist bug of Debian: https://bugs.debian.org/782727.
+
+       * ping/ping.c (main): Request line buffering on stdout, adding
+       a call to setvbuf().
+       * ping/ping6.c (main): Likewise.
+
 2015-05-12  Alfred M. Szmidt  <address@hidden>
 
        * bootstrap.conf (gnulib_modules): Add announce-gen.
diff --git a/ping/ping.c b/ping/ping.c
index 3f939dc..091e070 100644
--- a/ping/ping.c
+++ b/ping/ping.c
@@ -295,6 +295,9 @@ main (int argc, char **argv)
   /* Reset root privileges */
   setuid (getuid ());
 
+  /* Force line buffering regardless of output device.  */
+  setvbuf (stdout, NULL, _IOLBF, 0);
+
   argv += index;
   argc -= index;
 
diff --git a/ping/ping6.c b/ping/ping6.c
index 9d7609e..b0e0bf1 100644
--- a/ping/ping6.c
+++ b/ping/ping6.c
@@ -254,6 +254,9 @@ main (int argc, char **argv)
   /* Reset root privileges */
   setuid (getuid ());
 
+  /* Force line buffering regardless of output device.  */
+  setvbuf (stdout, NULL, _IOLBF, 0);
+
   argc -= index;
   argv += index;
 

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog    |   12 ++++++++++++
 ping/ping.c  |    3 +++
 ping/ping6.c |    3 +++
 3 files changed, 18 insertions(+), 0 deletions(-)


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