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[Qemu-devel] [PATCH] block-cloop.c: fix signedness gcc4 warning


From: Pavel Janík
Subject: [Qemu-devel] [PATCH] block-cloop.c: fix signedness gcc4 warning
Date: Wed, 04 Jan 2006 21:01:27 +0100
User-agent: Gnus/5.110003 (No Gnus v0.3) Emacs/21.3.50 (gnu/linux)

Hi,

gcc4 is more picky about signedness. Please apply.

--- block-cloop.c       18 Dec 2004 10:42:44 +0100      1.2
+++ block-cloop.c       04 Jan 2006 20:38:09 +0100      
@@ -32,8 +32,8 @@
     uint64_t* offsets;
     uint32_t sectors_per_block;
     uint32_t current_block;
-    char* compressed_block;
-    char* uncompressed_block;
+    unsigned char* compressed_block;
+    unsigned char* uncompressed_block;
     z_stream zstream;
 } BDRVCloopState;
 
@@ -89,9 +89,9 @@
     }
 
     /* initialize zlib engine */
-    if(!(s->compressed_block=(char*)malloc(max_compressed_block_size+1)))
+    if(!(s->compressed_block=(unsigned 
char*)malloc(max_compressed_block_size+1)))
        goto cloop_close;
-    if(!(s->uncompressed_block=(char*)malloc(s->block_size)))
+    if(!(s->uncompressed_block=(unsigned char*)malloc(s->block_size)))
        goto cloop_close;
     if(inflateInit(&s->zstream) != Z_OK)
        goto cloop_close;

-- 
Pavel Janík

Write and test a big program in small pieces.
                  -- The Elements of Programming Style (Kernighan & Plaugher)




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