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Add qemu_get_counted_string to read a string prefixed by a count byte

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and use it in loadvm_state and ram_load.

Where ever it's used, check the return and error if it failed.

Minor: ram_load was using a 257 byte array for its string, the
       maximum length is 255 bytes + 0 terminator, so fix to 256

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2015-05-21 13:24:11 +01:00 • committed by Juan Quintela
parent 5cd8cadae8
commit b3af1bc9d2
3 changed files with 26 additions and 5 deletions
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3
include/migration/qemu-file.h
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@ -312,4 +312,7 @@ static inline void qemu_get_sbe64s(QEMUFile *f, int64_t *pv)
{
qemu_get_be64s(f, (uint64_t *)pv);
}
size_t qemu_get_counted_string(QEMUFile *f, char buf[256]);
#endif