[Xen-changelog] [xen-unstable] xl: correct calls to dolog() (aka LOG)

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
# Date 1283960140 -3600
# Node ID 9d6fcb72ae5f24704c592e3600b6f406c80dec7f
# Parent  fc866633d0ebb7b0982c5d5ddd62d3a7a70e6d5b
xl: correct calls to dolog() (aka LOG)

dolog, for which LOG is a macro wrapper, was lacking the printf format
attribute.  Add it, and fix the two problems revealed.

(Original patch for one of the occurrences from Ian Campbell.)

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Signed-off-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
---
 tools/libxl/xl_cmdimpl.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff -r fc866633d0eb -r 9d6fcb72ae5f tools/libxl/xl_cmdimpl.c
--- a/tools/libxl/xl_cmdimpl.c  Wed Sep 08 16:24:20 2010 +0100
+++ b/tools/libxl/xl_cmdimpl.c  Wed Sep 08 16:35:40 2010 +0100
@@ -235,6 +235,9 @@ static void find_domain(const char *p)
 }
 
 #define LOG(_f, _a...)   dolog(__FILE__, __LINE__, __func__, _f "\n", ##_a)
+
+static void dolog(const char *file, int line, const char *func, char *fmt, ...)
+     __attribute__((format(printf,4,5)));
 
 static void dolog(const char *file, int line, const char *func, char *fmt, ...)
 {
@@ -1123,7 +1126,7 @@ static int handle_domain_death(libxl_ctx
         action = d_config->on_watchdog;
         break;
     default:
-        LOG("Unknown shutdown reason code %s. Destroying domain.", 
info->shutdown_reason);
+        LOG("Unknown shutdown reason code %d. Destroying domain.", 
info->shutdown_reason);
         action = ACTION_DESTROY;
     }
 
@@ -1537,7 +1540,7 @@ start:
         }
         rc = libxl_create_logfile(&ctx, name, &fullname);
         if (rc) {
-            LOG("failed to open logfile %s",fullname,strerror(errno));
+            LOG("failed to open logfile %s: %s",fullname,strerror(errno));
             exit(-1);
         }
 

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