Changeset 81749 in vbox for trunk/src/VBox/ImageMounter

Timestamp:

Nov 8, 2019 10:10:23 AM (6 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

134536

Message:

vboximg-mount: Fix crash when the size is 0, log2() returns -HUGE_VAL in that case

File:

• trunk/src/VBox/ImageMounter/vboximg-mount/vboximgMedia.cpp (modified) (1 diff)

trunk/src/VBox/ImageMounter/vboximg-mount/vboximgMedia.cpp

@@ -81 +81 @@
 char *vboximgScaledSize(size_t size)
 {
-    uint64_t exp = log2((double)size);
+    uint64_t exp = 0;
+    if (size > 0)
+        exp = log2((double)size);
     char scaledMagnitude = ((char []){ ' ', 'K', 'M', 'G', 'T', 'P' })[exp / 10];
      /* This workaround is because IPRT RT*Printf* funcs don't handle floating point format specifiers */