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-rw-r--r--delta.h10
1 files changed, 5 insertions, 5 deletions
diff --git a/delta.h b/delta.h
index 31d1820f80..a15350dabc 100644
--- a/delta.h
+++ b/delta.h
@@ -19,14 +19,14 @@ extern void *patch_delta(void *src_buf, unsigned long src_size,
static inline unsigned long get_delta_hdr_size(const unsigned char **datap)
{
const unsigned char *data = *datap;
- unsigned char cmd = *data++;
- unsigned long size = cmd & ~0x80;
- int i = 7;
- while (cmd & 0x80) {
+ unsigned char cmd;
+ unsigned long size = 0;
+ int i = 0;
+ do {
cmd = *data++;
size |= (cmd & ~0x80) << i;
i += 7;
- }
+ } while (cmd & 0x80);
*datap = data;
return size;
}