On 10/7/19 6:49 PM, Cole Robinson wrote:
To backingFormat, which makes it more clear. Move it to the end of
the argument list which will scale nicer with future patches

Signed-off-by: Cole Robinson <[email protected]>
---

This really makes it clearer. I was getting confused about whether
'format' was referring to the image or its backing file in these
patches.



  src/util/virstoragefile.c | 12 ++++++------
  1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c
index d6bd38777b..8cd576a463 100644
--- a/src/util/virstoragefile.c
+++ b/src/util/virstoragefile.c
@@ -427,9 +427,9 @@ cowGetBackingStore(char **res,
static int
-qcow2GetExtensions(int *format,
-                   const char *buf,
-                   size_t buf_size)
+qcow2GetExtensions(const char *buf,
+                   size_t buf_size,
+                   int *backingFormat)
  {
      size_t offset;
      size_t extension_start;
@@ -509,8 +509,8 @@ qcow2GetExtensions(int *format,
          case QCOW2_HDR_EXTENSION_BACKING_FORMAT:
              if (buf[offset+len] != '\0')
                  break;
-            *format = virStorageFileFormatTypeFromString(buf+offset);
-            if (*format <= VIR_STORAGE_FILE_NONE)
+            *backingFormat = virStorageFileFormatTypeFromString(buf+offset);
+            if (*backingFormat <= VIR_STORAGE_FILE_NONE)
                  return -1;
          }
@@ -561,7 +561,7 @@ qcowXGetBackingStore(char **res,
      memcpy(*res, buf + offset, size);
      (*res)[size] = '\0';
- if (qcow2GetExtensions(format, buf, buf_size) < 0)
+    if (qcow2GetExtensions(buf, buf_size, format) < 0)
          return BACKING_STORE_INVALID;

Not sure if the next patches are changing it or making it obsolete, but you can
change 'format' to 'backingFormat' inside qcowXGetBackingStore too.



Reviewed-by: Daniel Henrique Barboza <[email protected]>

return BACKING_STORE_OK;

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