block/cloop: Fix coding style

Fix coding style in block/cloop.c.
Reviewed-by: NAndreas Färber <afaerber@suse.de>
Reviewed_by: Ray Wang <raywang@linux.vnet.ibm.com>
Signed-off-by: NDong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: NKevin Wolf <kwolf@redhat.com>

block/cloop.c

@@ -30,7 +30,7 @@ typedef struct BDRVCloopState {
     CoMutex lock;
     uint32_t block_size;
     uint32_t n_blocks;
-    uint64_t* offsets;
+    uint64_t *offsets;
     uint32_t sectors_per_block;
     uint32_t current_block;
     uint8_t *compressed_block;
@@ -40,21 +40,23 @@ typedef struct BDRVCloopState {
 
 static int cloop_probe(const uint8_t *buf, int buf_size, const char *filename)
 {
-    const char* magic_version_2_0="#!/bin/sh\n"
+    const char *magic_version_2_0 = "#!/bin/sh\n"
         "#V2.0 Format\n"
         "modprobe cloop file=$0 && mount -r -t iso9660 /dev/cloop $1\n";
-    int length=strlen(magic_version_2_0);
-    if(length>buf_size)
-	length=buf_size;
-    if(!memcmp(magic_version_2_0,buf,length))
+    int length = strlen(magic_version_2_0);
+    if (length > buf_size) {
+        length = buf_size;
+    }
+    if (!memcmp(magic_version_2_0, buf, length)) {
         return 2;
+    }
     return 0;
 }
 
 static int cloop_open(BlockDriverState *bs, int flags)
 {
     BDRVCloopState *s = bs->opaque;
-    uint32_t offsets_size,max_compressed_block_size=1,i;
+    uint32_t offsets_size, max_compressed_block_size = 1, i;
 
     bs->read_only = 1;
 
@@ -77,23 +79,25 @@ static int cloop_open(BlockDriverState *bs, int flags)
         goto cloop_close;
     }
     for(i=0;i<s->n_blocks;i++) {
-	s->offsets[i]=be64_to_cpu(s->offsets[i]);
-	if(i>0) {
-	    uint32_t size=s->offsets[i]-s->offsets[i-1];
-	    if(size>max_compressed_block_size)
-		max_compressed_block_size=size;
+        s->offsets[i] = be64_to_cpu(s->offsets[i]);
+        if (i > 0) {
+            uint32_t size = s->offsets[i] - s->offsets[i - 1];
+            if (size > max_compressed_block_size) {
+                max_compressed_block_size = size;
+            }
         }
     }
 
     /* initialize zlib engine */
-    s->compressed_block = g_malloc(max_compressed_block_size+1);
+    s->compressed_block = g_malloc(max_compressed_block_size + 1);
     s->uncompressed_block = g_malloc(s->block_size);
-    if(inflateInit(&s->zstream) != Z_OK)
+    if (inflateInit(&s->zstream) != Z_OK) {
         goto cloop_close;
-    s->current_block=s->n_blocks;
+    }
+    s->current_block = s->n_blocks;
 
     s->sectors_per_block = s->block_size/512;
-    bs->total_sectors = s->n_blocks*s->sectors_per_block;
+    bs->total_sectors = s->n_blocks * s->sectors_per_block;
     qemu_co_mutex_init(&s->lock);
     return 0;
 
@@ -105,25 +109,28 @@ static inline int cloop_read_block(BlockDriverState *bs, int block_num)
 {
     BDRVCloopState *s = bs->opaque;
 
-    if(s->current_block != block_num) {
+    if (s->current_block != block_num) {
         int ret;
-        uint32_t bytes = s->offsets[block_num+1]-s->offsets[block_num];
+        uint32_t bytes = s->offsets[block_num + 1] - s->offsets[block_num];
 
         ret = bdrv_pread(bs->file, s->offsets[block_num], s->compressed_block,
                          bytes);
-        if (ret != bytes)
+        if (ret != bytes) {
             return -1;
+        }
 
         s->zstream.next_in = s->compressed_block;
         s->zstream.avail_in = bytes;
         s->zstream.next_out = s->uncompressed_block;
         s->zstream.avail_out = s->block_size;
         ret = inflateReset(&s->zstream);
-	if(ret != Z_OK)
+        if (ret != Z_OK) {
             return -1;
+        }
         ret = inflate(&s->zstream, Z_FINISH);
-	if(ret != Z_STREAM_END || s->zstream.total_out != s->block_size)
+        if (ret != Z_STREAM_END || s->zstream.total_out != s->block_size) {
             return -1;
+        }
 
         s->current_block = block_num;
     }
@@ -136,12 +143,15 @@ static int cloop_read(BlockDriverState *bs, int64_t sector_num,
     BDRVCloopState *s = bs->opaque;
     int i;
 
-    for(i=0;i<nb_sectors;i++) {
-	uint32_t sector_offset_in_block=((sector_num+i)%s->sectors_per_block),
-	    block_num=(sector_num+i)/s->sectors_per_block;
-	if(cloop_read_block(bs, block_num) != 0)
+    for (i = 0; i < nb_sectors; i++) {
+        uint32_t sector_offset_in_block =
+            ((sector_num + i) % s->sectors_per_block),
+            block_num = (sector_num + i) / s->sectors_per_block;
+        if (cloop_read_block(bs, block_num) != 0) {
             return -1;
-	memcpy(buf+i*512,s->uncompressed_block+sector_offset_in_block*512,512);
+        }
+        memcpy(buf + i * 512,
+            s->uncompressed_block + sector_offset_in_block * 512, 512);
     }
     return 0;
 }
@@ -160,8 +170,9 @@ static coroutine_fn int cloop_co_read(BlockDriverState *bs, int64_t sector_num,
 static void cloop_close(BlockDriverState *bs)
 {
     BDRVCloopState *s = bs->opaque;
-    if(s->n_blocks>0)
+    if (s->n_blocks > 0) {
         free(s->offsets);
+    }
     free(s->compressed_block);
     free(s->uncompressed_block);
     inflateEnd(&s->zstream);