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Date:      Wed, 16 May 2012 20:33:29 +0000 (UTC)
From:      Jeremie Le Hen <jlh@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org
Subject:   svn commit: r235521 - stable/8/usr.bin/stdbuf
Message-ID:  <201205162033.q4GKXTIQ060822@svn.freebsd.org>

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Author: jlh
Date: Wed May 16 20:33:29 2012
New Revision: 235521
URL: http://svn.freebsd.org/changeset/base/235521

Log:
  MFC r235142:
    Always define LD_32_PRELOAD so it works for 32 bits binaries on
    64 bits platforms.  Let rtld(1) decide if it needs to honor it
    or not.
  
    While here, fix a small bug in error reporting when asprintf(3)
    returns an error.

Modified:
  stable/8/usr.bin/stdbuf/stdbuf.c
Directory Properties:
  stable/8/usr.bin/stdbuf/   (props changed)

Modified: stable/8/usr.bin/stdbuf/stdbuf.c
==============================================================================
--- stable/8/usr.bin/stdbuf/stdbuf.c	Wed May 16 20:31:37 2012	(r235520)
+++ stable/8/usr.bin/stdbuf/stdbuf.c	Wed May 16 20:33:29 2012	(r235521)
@@ -32,6 +32,7 @@
 #include <unistd.h>
 
 #define	LIBSTDBUF	"/usr/lib/libstdbuf.so"
+#define	LIBSTDBUF32	"/usr/lib32/libstdbuf.so"
 
 extern char *__progname;
 
@@ -92,7 +93,17 @@ main(int argc, char *argv[])
 		    LIBSTDBUF);
 
 	if (i < 0 || putenv(preload1) == -1)
-		warn("Failed to set environment variable: %s", preload1);
+		warn("Failed to set environment variable: LD_PRELOAD");
+	
+	preload0 = getenv("LD_32_PRELOAD");
+	if (preload0 == NULL)
+		i = asprintf(&preload1, "LD_32_PRELOAD=" LIBSTDBUF32);
+	else
+		i = asprintf(&preload1, "LD_32_PRELOAD=%s:%s", preload0,
+		    LIBSTDBUF32);
+
+	if (i < 0 || putenv(preload1) == -1)
+		warn("Failed to set environment variable: LD_32_PRELOAD");
 
 	execvp(argv[0], argv);
 	err(2, "%s", argv[0]);



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