From: Jonathan Dieter <jdieter@gmail.com>
Date: Mon, 21 May 2018 18:34:13 +0000 (+0300)
Subject: Output logging to stderr instead of stdout
X-Git-Tag: archive/raspbian/1.1.9+ds1-1+rpi1~1^2~275
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=21ffaeb283c3ea7e94c0888174f2f55f11ec2dde;p=zchunk.git

Output logging to stderr instead of stdout

Signed-off-by: Jonathan Dieter <jdieter@gmail.com>
---

diff --git a/src/lib/log.c b/src/lib/log.c
index 6409f34..3174751 100644
--- a/src/lib/log.c
+++ b/src/lib/log.c
@@ -27,6 +27,7 @@
 #include <stdio.h>
 #include <stdint.h>
 #include <stdarg.h>
+#include <unistd.h>
 #include <zck.h>
 
 #include "zck_private.h"
@@ -41,7 +42,7 @@ void PUBLIC zck_log(zck_log_type lt, const char *format, ...) {
     if(lt >= log_level) {
         va_list args;
         va_start(args, format);
-        vprintf(format, args);
+        vdprintf(STDERR_FILENO, format, args);
         va_end(args);
     }
 }