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qemu -readconfig/-writeconfig cannot handle quotes in values
$ qemu-system-x86_64 -drive file=/tmp/foo\" -writeconfig -
# qemu config file
[drive]
file = "/tmp/foo""
For bonus points, try to construct a value qemu config file that contains a quoted value. It's pretty clear (from looking at the code also) that this is not possible.
Also:
- maximum value length is hard-coded in the parser at 1023 characters (for no apparent reason)
- the format is undocumented
- don't use sscanf for parsing!
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