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[Qemu-devel] [PATCH] eliminate errors about unused results in block/vpc.


From: Nathan Froyd
Subject: [Qemu-devel] [PATCH] eliminate errors about unused results in block/vpc.c
Date: Mon, 3 Aug 2009 07:32:13 -0700

These errors come up when compiling with gcc-4.3.3 and some older headers:

/scratch/froydnj/qemu.git/block/vpc.c: In function 'vpc_create':
/scratch/froydnj/qemu.git/block/vpc.c:514: error: value computed is not used
/scratch/froydnj/qemu.git/block/vpc.c:516: error: value computed is not used
/scratch/froydnj/qemu.git/block/vpc.c:517: error: value computed is not used
/scratch/froydnj/qemu.git/block/vpc.c:566: error: value computed is not used

Just add void casts to silence the compiler.

Signed-off-by: Nathan Froyd <address@hidden>
---
 block/vpc.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

v2: resent, including Signed-off-by this time.

diff --git a/block/vpc.c b/block/vpc.c
index ba482e9..b67e9ce 100644
--- a/block/vpc.c
+++ b/block/vpc.c
@@ -511,10 +511,10 @@ static int vpc_create(const char *filename, 
QEMUOptionParameter *options)
     // Prepare the Hard Disk Footer
     memset(buf, 0, 1024);
 
-    strncpy(footer->creator, "conectix", 8);
+    (void) strncpy(footer->creator, "conectix", 8);
     // TODO Check if "qemu" creator_app is ok for VPC
-    strncpy(footer->creator_app, "qemu", 4);
-    strncpy(footer->creator_os, "Wi2k", 4);
+    (void) strncpy(footer->creator_app, "qemu", 4);
+    (void) strncpy(footer->creator_os, "Wi2k", 4);
 
     footer->features = be32_to_cpu(0x02);
     footer->version = be32_to_cpu(0x00010000);
@@ -563,7 +563,7 @@ static int vpc_create(const char *filename, 
QEMUOptionParameter *options)
     // Prepare the Dynamic Disk Header
     memset(buf, 0, 1024);
 
-    strncpy(dyndisk_header->magic, "cxsparse", 8);
+    (void) strncpy(dyndisk_header->magic, "cxsparse", 8);
 
     dyndisk_header->data_offset = be64_to_cpu(0xFFFFFFFF);
     dyndisk_header->table_offset = be64_to_cpu(3 * 512);
-- 
1.6.3.2





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